Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti I30 A32 A33 1996-2001 Approved Infiniti I30 2001 ec

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                                                                                       ENGINE CONTROL SYSTEM
                                                                                                                                                                            GI


                                                                                                   SECTION                       EC                                         MA

                                                                                                                                                                            EM

                                                                                                                                                                            LC



                                                                 CONTENTS
                                                                                                                                                                            FE
TROUBLE DIAGNOSIS - INDEX ....................................8                        ON BOARD DIAGNOSTIC SYSTEM
  Alphabetical & P No. Index for DTC ...........................8                      DESCRIPTION ...............................................................68        AT
PRECAUTIONS .............................................................14              Introduction ................................................................68
  Supplemental Restraint System (SRS) AIR                                                Two Trip Detection Logic ...........................................68
  BAG and SEAT BELT PRE-TENSIONER.............14                                         Emission-related Diagnostic Information ...................69                      AX
  Precautions for On Board Diagnostic (OBD)                                              Malfunction Indicator Lamp (MIL)..............................82
  System of Engine and A/T.........................................14                    OBD System Operation Chart ...................................83
                                                                                                                                                                            SU
  Engine Fuel & Emission Control System ..................15                             CONSULT-II ...............................................................89
  Precautions ................................................................16         Generic Scan Tool (GST) ........................................103
  Wiring Diagrams and Trouble Diagnosis...................17                           TROUBLE DIAGNOSIS - INTRODUCTION................105                                  BR
PREPARATION .............................................................18              Introduction ..............................................................105
  Special Service Tools ................................................18               Work Flow................................................................107
  Commercial Service Tools .........................................18                 TROUBLE DIAGNOSIS - BASIC INSPECTION .........109                                    ST
ENGINE AND EMISSION CONTROL OVERALL                                                      Basic Inspection.......................................................109
SYSTEM.........................................................................20      TROUBLE DIAGNOSIS - GENERAL
  Engine Control Component Parts Location...............20                             DESCRIPTION .............................................................121
                                                                                                                                                                            RS
  Circuit Diagram ..........................................................24           DTC Inspection Priority Chart..................................121
  System Diagram ........................................................25              Fail-safe Chart .........................................................122       BT
  Vacuum Hose Drawing ..............................................26                   Symptom Matrix Chart.............................................123
  System Chart .............................................................27           CONSULT-II Reference Value in Data Monitor
ENGINE AND EMISSION BASIC CONTROL                                                        Mode ........................................................................127   HA
SYSTEM DESCRIPTION ...............................................28                     Major Sensor Reference Graph in Data Monitor
  Multiport Fuel Injection (MFI) System .......................28                        Mode ........................................................................130
  Electronic Ignition (EI) System ..................................30                   ECM Terminals and Reference Value .....................132                         SC
  Air Conditioning Cut Control......................................31                 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ..140
  Fuel Cut Control (at no load & high engine                                             Description ...............................................................140     EL
  speed) ........................................................................32      Testing Condition .....................................................140
  Evaporative Emission System ...................................32                      Inspection Procedure...............................................140
  On Board Refueling Vapor Recovery (ORVR) ..........38                                  Diagnostic Procedure ..............................................141             IDX
  Positive Crankcase Ventilation ..................................47                  TROUBLE DIAGNOSIS FOR INTERMITTENT
BASIC SERVICE PROCEDURE ...................................49                          INCIDENT.....................................................................144
  Fuel Pressure Release ..............................................49                 Description ...............................................................144
  Fuel Pressure Check .................................................49                Diagnostic Procedure ..............................................144
  Fuel Pressure Regulator Check ................................50                     TROUBLE DIAGNOSIS FOR POWER SUPPLY........145
  Injector .......................................................................51     Main Power Supply and Ground Circuit..................145
  How to Check Idle Speed and Ignition Timing..........52                              DTC P0100 MASS AIR FLOW SENSOR (MAFS)......152
  Idle Speed/Ignition Timing/Idle Mixture Ratio                                          Component Description ...........................................152
  Adjustment .................................................................53         CONSULT-II Reference Value in Data Monitor
  Idle Air Volume Learning ...........................................66                 Mode ........................................................................152
                                                     CONTENTS                                  (Cont'd)
  On Board Diagnosis Logic.......................................152                   Possible Cause........................................................193
  Possible Cause........................................................153            DTC Confirmation Procedure ..................................193
  DTC Confirmation Procedure ..................................153                     Overall Function Check ...........................................194
  Overall Function Check ...........................................155                Wiring Diagram ........................................................195
  Wiring Diagram ........................................................156           Diagnostic Procedure ..............................................197
  Diagnostic Procedure ..............................................157             DTC P0131 (BANK 1), P0151 (BANK 2) HO2S1
DTC P0105 ABSOLUTE PRESSURE SENSOR ........160                                       (FRONT) (LEAN SHIFT MONITORING) .....................202
  Component Description ...........................................160                 Component Description ...........................................202
  On Board Diagnosis Logic.......................................160                   CONSULT-II Reference Value in Data Monitor
  Possible Cause........................................................160            Mode ........................................................................202
  DTC Confirmation Procedure ..................................160                     On Board Diagnosis Logic.......................................202
  Wiring Diagram ........................................................162           Possible Cause........................................................203
  Diagnostic Procedure ..............................................163               DTC Confirmation Procedure ..................................203
DTC P0110 INTAKE AIR TEMPERATURE                                                       Overall Function Check ...........................................204
SENSOR ......................................................................166       Diagnostic Procedure ..............................................204
  Component Description ...........................................166               DTC P0132 (BANK 1), P0152 (BANK 2) HO2S1
  On Board Diagnosis Logic.......................................166                 (FRONT) (RICH SHIFT MONITORING) ......................210
  Possible Cause........................................................166            Component Description ...........................................210
  DTC Confirmation Procedure ..................................166                     CONSULT-II Reference Value in Data Monitor
  Wiring Diagram ........................................................168           Mode ........................................................................210
  Diagnostic Procedure ..............................................169               On Board Diagnosis Logic.......................................210
DTC P0115 ENGINE COOLANT TEMPERATURE                                                   Possible Cause........................................................211
SENSOR (ECTS) (CIRCUIT) .......................................171                     DTC Confirmation Procedure ..................................211
  Component Description ...........................................171                 Overall Function Check ...........................................212
  On Board Diagnosis Logic.......................................171                   Diagnostic Procedure ..............................................212
  Possible Cause........................................................172          DTC P0133 (BANK 1), P0153 (BANK 2) HO2S1
  DTC Confirmation Procedure ..................................172                   (FRONT) (RESPONSE MONITORING).......................218
  Wiring Diagram ........................................................173           Component Description ...........................................218
  Diagnostic Procedure ..............................................174               CONSULT-II Reference Value in Data Monitor
DTC P0120 THROTTLE POSITION SENSOR ...........176                                      Mode ........................................................................218
  Description ...............................................................176       On Board Diagnosis Logic.......................................218
  CONSULT-II Reference Value in Data Monitor                                           Possible Cause........................................................219
  Mode ........................................................................176     DTC Confirmation Procedure ..................................219
  On Board Diagnosis Logic.......................................177                   Overall Function Check ...........................................220
  Possible Cause........................................................177            Wiring Diagram ........................................................221
  DTC Confirmation Procedure ..................................177                     Diagnostic Procedure ..............................................223
  Wiring Diagram ........................................................181         DTC P0134 (BANK 1), P0154 (BANK 2) HO2S1
  Diagnostic Procedure ..............................................182             (FRONT) (HIGH VOLTAGE)........................................231
DTC P0125 ENGINE COOLANT TEMPERATURE                                                   Component Description ...........................................231
SENSOR (ECTS) .........................................................187             CONSULT-II Reference Value in Data Monitor
  Description ...............................................................187       Mode ........................................................................231
  On Board Diagnosis Logic.......................................187                   On Board Diagnosis Logic.......................................231
  Possible Cause........................................................188            Possible Cause........................................................232
  DTC Confirmation Procedure ..................................188                     DTC Confirmation Procedure ..................................232
  Wiring Diagram ........................................................189           Wiring Diagram ........................................................233
  Diagnostic Procedure ..............................................190               Diagnostic Procedure ..............................................235
DTC P0130 (BANK 1), P0150 (BANK 2) HO2S1                                             DTC P0135 (BANK 1), P0155 (BANK 2) HO2S1
(FRONT) (CIRCUIT).....................................................192            HEATER (FRONT).......................................................239
  Component Description ...........................................192                 Description ...............................................................239
  CONSULT-II Reference Value in Data Monitor                                           CONSULT-II Reference Value in Data Monitor
  Mode ........................................................................192     Mode ........................................................................239
  On Board Diagnosis Logic.......................................192                   On Board Diagnosis Logic.......................................239




                                                                                EC-2
                                                     CONTENTS                                  (Cont'd)
  Possible Cause........................................................239            CONSULT-II Reference Value in Data Monitor
  DTC Confirmation Procedure ..................................240                     Mode ........................................................................285
  Wiring Diagram ........................................................241           On Board Diagnosis Logic.......................................285                 GI
  Diagnostic Procedure ..............................................243               Possible Cause........................................................285
DTC P0137 (BANK 1), P0157 (BANK 2) HO2S2                                               DTC Confirmation Procedure ..................................286                   MA
(REAR) (MIN. VOLTAGE MONITORING)...................246                                 Wiring Diagram ........................................................287
  Component Description ...........................................246                 Diagnostic Procedure ..............................................289
  CONSULT-II Reference Value in Data Monitor                                         DTC P0171 (BANK 1), P0174 (BANK 2) FUEL                                              EM
  Mode ........................................................................246   INJECTION SYSTEM FUNCTION (LEAN) .................292
  On Board Diagnosis Logic.......................................246                   On Board Diagnosis Logic.......................................292
  Possible Cause........................................................247            Possible Cause........................................................292          LC
  DTC Confirmation Procedure ..................................247                     DTC Confirmation Procedure ..................................292
  Overall Function Check ...........................................247                Wiring Diagram ........................................................294
  Wiring Diagram ........................................................249           Diagnostic Procedure ..............................................296
  Diagnostic Procedure ..............................................251             DTC P0172 (BANK 1), P0175 (BANK 2) FUEL
DTC P0138 (BANK 1), P0158 (BANK 2) HO2S2                                             INJECTION SYSTEM FUNCTION (RICH) ..................300                               FE
(REAR) (MAX. VOLTAGE MONITORING) .................256                                  On Board Diagnosis Logic.......................................300
  Component Description ...........................................256                 Possible Cause........................................................300
  CONSULT-II Reference Value in Data Monitor                                           DTC Confirmation Procedure ..................................300                   AT
  Mode ........................................................................256     Wiring Diagram ........................................................302
  On Board Diagnosis Logic.......................................256                   Diagnostic Procedure ..............................................304
  Possible Cause........................................................257          DTC P0180 FUEL TANK TEMPERATURE
                                                                                                                                                                          AX
  DTC Confirmation Procedure ..................................257                   SENSOR ......................................................................307
  Overall Function Check ...........................................257                Component Description ...........................................307               SU
  Wiring Diagram ........................................................259           On Board Diagnosis Logic.......................................307
  Diagnostic Procedure ..............................................261               Possible Cause........................................................307
DTC P0139 (BANK 1), P0159 (BANK 2) HO2S2                                               DTC Confirmation Procedure ..................................308                   BR
(REAR) (RESPONSE MONITORING).........................266                               Wiring Diagram ........................................................309
  Component Description ...........................................266                 Diagnostic Procedure ..............................................310
  CONSULT-II Reference Value in Data Monitor                                         DTC P0217 COOLANT OVERTEMPERATURE                                                    ST
  Mode ........................................................................266   ENRICHMENT PROTECTION.....................................312
  On Board Diagnosis Logic.......................................266                   System Description..................................................312
                                                                                                                                                                          RS
  Possible Cause........................................................267            CONSULT-II Reference Value in Data Monitor
  DTC Confirmation Procedure ..................................267                     Mode ........................................................................312
  Overall Function Check ...........................................267                On Board Diagnosis Logic.......................................313                 BT
  Wiring Diagram ........................................................269           Possible Cause........................................................313
  Diagnostic Procedure ..............................................271               Overall Function Check ...........................................313
DTC P0140 (BANK 1), P0160 (BANK 2) HO2S2                                               Wiring Diagram ........................................................316         HA
(REAR) (HIGH VOLTAGE) ..........................................276                    Diagnostic Procedure ..............................................318
  Component Description ...........................................276                 Main 12 Causes of Overheating..............................329
  CONSULT-II Reference Value in Data Monitor                                         DTC P0300 - P0306 NO. 6 - 1 CYLINDER
                                                                                                                                                                          SC
  Mode ........................................................................276   MISFIRE, MULTIPLE CYLINDER MISFIRE ...............330
  On Board Diagnosis Logic.......................................276                   On Board Diagnosis Logic.......................................330                 EL
  Possible Cause........................................................277            Possible Cause........................................................330
  DTC Confirmation Procedure ..................................277                     DTC Confirmation Procedure ..................................331
  Overall Function Check ...........................................277                Diagnostic Procedure ..............................................331             IDX
  Wiring Diagram ........................................................279         DTC P0325 KNOCK SENSOR (KS) ...........................338
  Diagnostic Procedure ..............................................281               Component Description ...........................................338
DTC P0141 (BANK 1), P0161 (BANK 2) HO2S2                                               On Board Diagnosis Logic.......................................338
HEATER (REAR) .........................................................285             Possible Cause........................................................338
  Description ...............................................................285       DTC Confirmation Procedure ..................................338
                                                                                       Wiring Diagram ........................................................339




                                                                                EC-3
                                                     CONTENTS                                  (Cont'd)
  Diagnostic Procedure ..............................................340             DTC P0450 EVAPORATIVE EMISSION (EVAP)
DTC P0335 CRANKSHAFT POSITION SENSOR                                                 CONTROL SYSTEM PRESSURE SENSOR ..............390
(CKPS) (POS) ..............................................................343         Component Description ...........................................390
  Component Description ...........................................343                 CONSULT-II Reference Value in Data Monitor
  CONSULT-II Reference Value in Data Monitor                                           Mode ........................................................................390
  Mode ........................................................................343     On Board Diagnosis Logic.......................................390
  On Board Diagnosis Logic.......................................343                   Possible Cause........................................................390
  Possible Cause........................................................343            DTC Confirmation Procedure ..................................391
  DTC Confirmation Procedure ..................................344                     Wiring Diagram ........................................................392
  Wiring Diagram ........................................................345           Diagnostic Procedure ..............................................393
  Diagnostic Procedure ..............................................346             DTC P0455 EVAP CONTROL SYSTEM (GROSS
DTC P0340 CAMSHAFT POSITION SENSOR                                                   LEAK)...........................................................................402
(CMPS) (PHASE).........................................................351             On Board Diagnosis Logic.......................................402
  Component Description ...........................................351                 Possible Cause........................................................402
  On Board Diagnosis Logic.......................................351                   DTC Confirmation Procedure ..................................403
  Possible Cause........................................................351            Diagnostic Procedure ..............................................404
  DTC Confirmation Procedure ..................................351                   DTC P0460 FUEL LEVEL SENSOR FUNCTION
  Wiring Diagram ........................................................353         (SLOSH).......................................................................415
  Diagnostic Procedure ..............................................354               Component Description ...........................................415
DTC P0420 (BANK 1), P0430 (BANK 2) THREE                                               On Board Diagnostic Logic......................................415
WAY CATALYST FUNCTION .....................................357                         Possible Cause........................................................415
  On Board Diagnosis Logic.......................................357                   DTC Confirmation Procedure ..................................415
  Possible Cause........................................................357            Wiring Diagram ........................................................416
  DTC Confirmation Procedure ..................................358                     Diagnostic Procedure ..............................................417
  Overall Function Check ...........................................358              DTC P0461 FUEL LEVEL SENSOR FUNCTION .......419
  Diagnostic Procedure ..............................................359               Component Description ...........................................419
DTC P0440 EVAP CONTROL SYSTEM (SMALL                                                   On Board Diagnostic Logic......................................419
LEAK) (NEGATIVE PRESSURE)................................362                           Possible Cause........................................................419
  On Board Diagnosis Logic.......................................362                   Overall Function Check ...........................................419
  Possible Cause........................................................362          DTC P0464 FUEL LEVEL SENSOR CIRCUIT ...........421
  DTC Confirmation Procedure ..................................363                     Component Description ...........................................421
  Diagnostic Procedure ..............................................364               On Board Diagnostic Logic......................................421
DTC P0443 EVAP CANISTER PURGE VOLUME                                                   Possible Cause........................................................421
CONTROL SOLENOID VALVE (CIRCUIT).................377                                   DTC Confirmation Procedure ..................................421
  Description ...............................................................377       Wiring Diagram ........................................................422
  CONSULT-II Reference Value in Data Monitor                                           Diagnostic Procedure ..............................................423
  Mode ........................................................................377   DTC P0500 VEHICLE SPEED SENSOR (VSS) .........425
  On Board Diagnosis Logic.......................................378                   Component Description ...........................................425
  Possible Cause........................................................378            On Board Diagnosis Logic.......................................425
  DTC Confirmation Procedure ..................................378                     Possible Cause........................................................425
  Wiring Diagram ........................................................379           DTC Confirmation Procedure ..................................425
  Diagnostic Procedure ..............................................380               Overall Function Check ...........................................426
DTC P0446 EVAPORATIVE EMISSION (EVAP)                                                  Wiring Diagram ........................................................427
CANISTER VENT CONTROL VALVE (CIRCUIT) ......383                                        Diagnostic Procedure ..............................................428
  Component Description ...........................................383               DTC P0505 IDLE AIR CONTROL VALVE (IACV) -
  CONSULT-II Reference Value in Data Monitor                                         AUXILIARY AIR CONTROL (AAC) VALVE ...............429
  Mode ........................................................................383     Description ...............................................................429
  On Board Diagnosis Logic.......................................383                   CONSULT-II Reference Value in Data Monitor
  Possible Cause........................................................383            Mode ........................................................................430
  DTC Confirmation Procedure ..................................384                     On Board Diagnosis Logic.......................................430
  Wiring Diagram ........................................................385           Possible Cause........................................................430
  Diagnostic Procedure ..............................................386               DTC Confirmation Procedure ..................................430




                                                                                EC-4
                                                     CONTENTS                                  (Cont'd)
  Wiring Diagram ........................................................432           CONSULT-II Reference Value in Data Monitor
  Diagnostic Procedure ..............................................433               Mode ........................................................................478
DTC P0510 CLOSED THROTTLE POSITION                                                     On Board Diagnosis Logic.......................................478                 GI
SWITCH .......................................................................438      Possible Cause........................................................478
  Component Description ...........................................438                 DTC Confirmation Procedure ..................................479                   MA
  CONSULT-II Reference Value in Data Monitor                                           Wiring Diagram ........................................................480
  Mode ........................................................................438     Diagnostic Procedure ..............................................481
  On Board Diagnosis Logic.......................................438                 DTC P1211 ABS/TCS CONTROL UNIT .....................484                              EM
  Possible Cause........................................................438            Description ...............................................................484
  DTC Confirmation Procedure ..................................439                     On Board Diagnosis Logic.......................................484
  Overall Function Check ...........................................439                Possible Cause........................................................484          LC
  Wiring Diagram ........................................................441           DTC Confirmation Procedure ..................................484
  Diagnostic Procedure ..............................................442               Overall Function Check ...........................................485
DTC P0600 A/T COMMUNICATION LINE..................446                                  Diagnostic Procedure ..............................................485
  System Description..................................................446            DTC P1212 ABS/TCS COMMUNICATION LINE........486
  On Board Diagnosis Logic.......................................446                   Description ...............................................................486     FE
  Possible Cause........................................................446            On Board Diagnosis Logic.......................................486
  DTC Confirmation Procedure ..................................446                     Possible Cause........................................................486
  Wiring Diagram ........................................................447           DTC Confirmation Procedure ..................................486                   AT
  Diagnostic Procedure ..............................................448               Wiring Diagram ........................................................487
DTC P0605 ECM .........................................................449             Diagnostic Procedure ..............................................488
  Component Description ...........................................449               DTC P1217 ENGINE OVER TEMPERATURE
                                                                                                                                                                          AX
  On Board Diagnosis Logic.......................................449                 (OVERHEAT) ...............................................................489
  Possible Cause........................................................449            System Description..................................................489            SU
  DTC Confirmation Procedure ..................................449                     CONSULT-II Reference Value in Data Monitor
  Diagnostic Procedure ..............................................450               Mode ........................................................................489
DTC P1126 THERMOSTAT FUNCTION.....................451                                  On Board Diagnosis Logic.......................................490                 BR
  On Board Diagnosis Logic.......................................451                   Possible Cause........................................................490
  Possible Cause........................................................451            Overall Function Check ...........................................490
  DTC Confirmation Procedure ..................................451                     Wiring Diagram ........................................................492         ST
  Diagnostic Procedure ..............................................452               Diagnostic Procedure ..............................................494
DTC P1130 SWIRL CONTROL VALVE CONTROL                                                  Main 12 Causes of Overheating..............................505
                                                                                                                                                                          RS
SOLENOID VALVE......................................................453              DTC P1320 IGNITION SIGNAL...................................506
  Description ...............................................................453       Component Description ...........................................506
  CONSULT-II Reference Value in Data Monitor                                           On Board Diagnosis Logic.......................................506                 BT
  Mode ........................................................................454     Possible Cause........................................................506
  On Board Diagnosis Logic.......................................454                   DTC Confirmation Procedure ..................................506
  Possible Cause........................................................454            Wiring Diagram ........................................................508         HA
  DTC Confirmation Procedure ..................................455                     Diagnostic Procedure ..............................................511
  Wiring Diagram ........................................................457         DTC P1335 CRANKSHAFT POSITION SENSOR
  Diagnostic Procedure ..............................................458             (CKPS) (REF) ..............................................................517
                                                                                                                                                                          SC
DTC P1148 (BANK 1), P1168 (BANK 2) CLOSED                                              Component Description ...........................................517
LOOP CONTROL ........................................................476               CONSULT-II Reference Value in Data Monitor                                         EL
  On Board Diagnosis Logic.......................................476                   Mode ........................................................................517
  Possible Cause........................................................476            On Board Diagnosis Logic.......................................517
  DTC Confirmation Procedure ..................................476                     Possible Cause........................................................518          IDX
  Overall Function Check ...........................................477                DTC Confirmation Procedure ..................................518
  Diagnostic Procedure ..............................................477               Wiring Diagram ........................................................519
DTC P1165 SWIRL CONTROL VALVE CONTROL                                                  Diagnostic Procedure ..............................................520
VACUUM CHECK SWITCH.........................................478                      DTC P1336 CRANKSHAFT POSITION SENSOR
  Component Description ...........................................478               (CKPS) (POS) (COG) ..................................................523
                                                                                       Component Description ...........................................523




                                                                                EC-5
                                                     CONTENTS                                   (Cont'd)
  CONSULT-II Reference Value in Data Monitor                                            Diagnostic Procedure ..............................................568
  Mode ........................................................................523   DTC P1464 FUEL LEVEL SENSOR CIRCUIT
  On Board Diagnosis Logic.......................................523                 (GROUND SIGNAL) ....................................................573
  Possible Cause........................................................523             Component Description ...........................................573
  DTC Confirmation Procedure ..................................524                      On Board Diagnostic Logic......................................573
  Wiring Diagram ........................................................525            Possible Cause........................................................573
  Diagnostic Procedure ..............................................526                DTC Confirmation Procedure ..................................573
DTC P1440 EVAP CONTROL SYSTEM (SMALL                                                    Wiring Diagram ........................................................574
LEAK) (POSITIVE PRESSURE) .................................531                          Diagnostic Procedure ..............................................575
  On Board Diagnosis Logic.......................................531                 DTC P1490 VACUUM CUT VALVE BYPASS
  Possible Cause........................................................531          VALVE (CIRCUIT)........................................................576
  DTC Confirmation Procedure ..................................532                      Description ...............................................................576
  Diagnostic Procedure ..............................................532                CONSULT-II Reference Value in Data Monitor
DTC P1444 EVAP CANISTER PURGE VOLUME                                                    Mode ........................................................................576
CONTROL SOLENOID VALVE...................................533                            On Board Diagnosis Logic.......................................576
  Description ...............................................................533        Possible Cause........................................................577
  CONSULT-II Reference Value in Data Monitor                                            DTC Confirmation Procedure ..................................577
  Mode ........................................................................533      Wiring Diagram ........................................................578
  On Board Diagnosis Logic.......................................534                    Diagnostic Procedure ..............................................579
  Possible Cause........................................................534          DTC P1491 VACUUM CUT VALVE BYPASS
  DTC Confirmation Procedure ..................................534                   VALVE..........................................................................582
  Wiring Diagram ........................................................536            Description ...............................................................582
  Diagnostic Procedure ..............................................537                CONSULT-II Reference Value in Data Monitor
DTC P1446 EVAPORATIVE EMISSION (EVAP)                                                   Mode ........................................................................582
CANISTER VENT CONTROL VALVE (CLOSE).........545                                         On Board Diagnosis Logic.......................................582
  Component Description ...........................................545                  Possible Cause........................................................583
  CONSULT-II Reference Value in Data Monitor                                            DTC Confirmation Procedure ..................................583
  Mode ........................................................................545      Overall Function Check ...........................................584
  On Board Diagnosis Logic.......................................545                    Wiring Diagram ........................................................585
  Possible Cause........................................................545             Diagnostic Procedure ..............................................586
  DTC Confirmation Procedure ..................................546                   DTC P1605 A/T DIAGNOSIS COMMUNICATION
  Wiring Diagram ........................................................547         LINE .............................................................................594
  Diagnostic Procedure ..............................................548                Component Description ...........................................594
DTC P1447 EVAPORATIVE EMISSION (EVAP)                                                   On Board Diagnosis Logic.......................................594
CONTROL SYSTEM PURGE FLOW                                                               Possible Cause........................................................594
MONITORING ..............................................................553            DTC Confirmation Procedure ..................................594
  System Description..................................................553               Wiring Diagram ........................................................595
  On Board Diagnosis Logic.......................................553                    Diagnostic Procedure ..............................................596
  Possible Cause........................................................553          DTC P1706 PARK/NEUTRAL POSITION (PNP)
  DTC Confirmation Procedure ..................................554                   SWITCH .......................................................................597
  Overall Function Check ...........................................554                 Component Description ...........................................597
  Diagnostic Procedure ..............................................556                CONSULT-II Reference Value in Data Monitor
DTC P1448 EVAPORATIVE EMISSION (EVAP)                                                   Mode ........................................................................597
CANISTER VENT CONTROL VALVE (OPEN)...........564                                        On Board Diagnosis Logic.......................................597
  Component Description ...........................................564                  Possible Cause........................................................597
  CONSULT-II Reference Value in Data Monitor                                            DTC Confirmation Procedure ..................................597
  Mode ........................................................................564      Overall Function Check ...........................................598
  On Board Diagnosis Logic.......................................564                    Wiring Diagram ........................................................599
  Possible Cause........................................................564             Diagnostic Procedure ..............................................600
  DTC Confirmation Procedure ..................................565                   VARIABLE INDUCTION AIR CONTROL SYSTEM
  Overall Function Check ...........................................566              (VIAS)...........................................................................602
  Wiring Diagram ........................................................567            Description ...............................................................602




                                                                                EC-6
                                                     CONTENTS                                  (Cont'd)
  Wiring Diagram ........................................................604           Wiring Diagram ........................................................629
  Diagnostic Procedure ..............................................605               Diagnostic Procedure ..............................................630
INJECTOR ...................................................................608      REFRIGERANT PRESSURE SENSOR ......................633                                 GI
  Component Description ...........................................608                 Description ...............................................................633
  CONSULT-II Reference Value in Data Monitor                                           Wiring Diagram ........................................................634          MA
  Mode ........................................................................608     Diagnostic Procedure ..............................................635
  Wiring Diagram ........................................................609         ELECTRICAL LOAD SIGNAL.....................................637
  Diagnostic Procedure ..............................................610               Wiring Diagram ........................................................637          EM
START SIGNAL...........................................................614             Diagnostic Procedure ..............................................639
  CONSULT-II Reference Value in Data Monitor                                         MIL & DATA LINK CONNECTORS ............................643
  Mode ........................................................................614     Wiring Diagram ........................................................643          LC
  Wiring Diagram ........................................................615         SERVICE DATA AND SPECIFICATIONS (SDS) .......644
  Diagnostic Procedure ..............................................616               Fuel Pressure Regulator..........................................644
FUEL PUMP.................................................................618          Idle Speed and Ignition Timing................................644
  System Description..................................................618              Mass Air Flow Sensor..............................................644
  Component Description ...........................................618                 Engine Coolant Temperature Sensor ......................644                         FE
  CONSULT-II Reference Value in Data Monitor                                           Heated Oxygen Sensor 1 Heater (Front) ................644
  Mode ........................................................................618     Fuel Pump ...............................................................644
  Wiring Diagram ........................................................619           IACV-AAC Valve ......................................................644            AT
  Diagnostic Procedure ..............................................620               Injector .....................................................................644
ELECTRONIC CONTROLLED ENGINE MOUNT.......624                                           Resistor....................................................................644
  System Description..................................................624              Throttle Position Sensor ..........................................645
                                                                                                                                                                           AX
  CONSULT-II Reference Value in Data Monitor                                           Calculated Load Value.............................................645
  Mode ........................................................................624     Intake Air Temperature Sensor................................645                    SU
  Wiring Diagram ........................................................625           Heated Oxygen Sensor 2 Heater (Rear).................645
  Diagnostic Procedure ..............................................626               Crankshaft Position Sensor (REF) ..........................645
POWER STEERING OIL PRESSURE SWITCH.........628                                         Fuel Tank Temperature Sensor ...............................645                     BR
  Component Description ...........................................628                 Camshaft Position Sensor (PHASE) .......................645
  CONSULT-II Reference Value in Data Monitor
  Mode ........................................................................628                                                                                         ST

                                                                                                                                                                           RS

                                                                                                                                                                           BT

                                                                                                                                                                           HA

                                                                                                                                                                           SC

                                                                                                                                                                           EL

                                                                                                                                                                           IDX




                                                                                EC-7
                                     TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC

                                              Alphabetical & P No. Index for DTC                NHEC0001
ALPHABETICAL INDEX FOR DTC                                                                    NHEC0001S01


                          Items
                                                              DTC*1          Reference page
                  (CONSULT-II screen terms)

 Unable to access ECM                                          --                  EC-122

 ABSL PRES SEN/CIRC                                           P0105                EC-160

 AIR TEMP SEN/CIRC                                            P0110                EC-166

 A/T 1ST GR FNCTN                                             P0731                AT-124

 A/T 2ND GR FNCTN                                             P0732                AT-130

 A/T 3RD GR FNCTN                                             P0733                AT-136

 A/T 4TH GR FNCTN                                             P0734                AT-142

 A/T COMM LINE                                               P0600*2               EC-446

 A/T DIAG COMM LINE                                           P1605                EC-594

 A/T TCC S/V FNCTN                                            P0744                AT-156

 ATF TEMP SEN/CIRC                                            P0710                AT-108

 CKP SENSOR (COG)                                             P1336                EC-523

 CKP SEN/CIRCUIT                                              P0335                EC-343

 CKP SEN (REF)/CIRC                                           P1335                EC-517

 CLOSED LOOP-B1                                               P1148                EC-476

 CLOSED LOOP-B2                                               P1168                EC-476

 CLOSED TP SW/CIRC                                            P0510                EC-438

 CMP SEN/CIRCUIT                                              P0340                EC-351

 COOLANT T SEN/CIRC*3                                         P0115                EC-171

 *COOLANT T SEN/CIRC                                          P0125                EC-187

 CYL 1 MISFIRE                                                P0301                EC-330

 CYL 2 MISFIRE                                                P0302                EC-330

 CYL 3 MISFIRE                                                P0303                EC-330

 CYL 4 MISFIRE                                                P0304                EC-330

 CYL 5 MISFIRE                                                P0305                EC-330

 CYL 6 MISFIRE                                                P0306                EC-330

 ECM                                                          P0605                EC-449

 ENGINE SPEED SIG                                             P0725                AT-119

 ENG OVER TEMP                                                P0217                EC-312

 ENG OVER TEMP                                               P1217*2               EC-489

 EVAP GROSS LEAK                                              P0455                EC-402

 EVAP PURG FLOW/MON                                           P1447                EC-553

 EVAP SYS PRES SEN                                            P0450                EC-390

 EVAP SMALL LEAK                                              P0440                EC-362

 EVAP SMALL LEAK                                              P1440                EC-531



                                                   EC-8
                                  TROUBLE DIAGNOSIS -- INDEX
                                                          Alphabetical & P No. Index for DTC (Cont'd)

                         Items
                                                     DTC*1                    Reference page
                 (CONSULT-II screen terms)

FUEL LEVL SEN/CIRC                                   P0464                       EC-421
                                                                                                        GI
FUEL LEVL SEN/CIRC                                   P1464                       EC-573

FUEL LEVEL SENSOR                                    P0461                       EC-419
                                                                                                        MA
FUEL LV SE (SLOSH)                                   P0460                       EC-415

FUEL SYS-LEAN/BK1                                    P0171                       EC-292
                                                                                                        EM
FUEL SYS-LEAN/BK2                                    P0174                       EC-292

FUEL SYS-RICH/BK1                                    P0172                       EC-300
                                                                                                        LC
FUEL SYS-RICH/BK2                                    P0175                       EC-300

FUEL TEMP SEN/CIRC                                   P0180                       EC-307

HO2S1 (B1)                                           P0130                       EC-192

HO2S1 (B1)                                           P0131                       EC-202                 FE
HO2S1 (B1)                                           P0132                       EC-210

HO2S1 (B1)                                           P0133                       EC-218                 AT
HO2S1 (B1)                                           P0134                       EC-231

HO2S1 (B2)                                           P0150                       EC-192                 AX
HO2S1 (B2)                                           P0151                       EC-202

HO2S1 (B2)                                           P0152                       EC-210                 SU
HO2S1 (B2)                                           P0153                       EC-218

HO2S1 (B2)                                           P0154                       EC-231
                                                                                                        BR
HO2S1 HTR (B1)                                       P0135                       EC-239
                                                                                                        ST
HO2S1 HTR (B2)                                       P0155                       EC-239

HO2S2 (B1)                                           P0137                       EC-246
                                                                                                        RS
HO2S2 (B1)                                           P0138                       EC-256

HO2S2 (B1)                                           P0139                       EC-266
                                                                                                        BT
HO2S2 (B1)                                           P0140                       EC-276

HO2S2 (B2)                                           P0157                       EC-246
                                                                                                        HA
HO2S2 (B2)                                           P0158                       EC-256

HO2S2 (B2)                                           P0159                       EC-266                 SC
HO2S2 (B2)                                           P0160                       EC-276

HO2S2 HTR (B1)                                       P0141                       EC-285                 EL
HO2S2 HTR (B2)                                       P0161                       EC-285

IACV/AAC VLV/CIRC                                    P0505                       EC-429                 IDX
IGN SIGNAL-PRIMARY                                   P1320                       EC-506

KNOCK SEN/CIRC-B1                                    P0325*2                     EC-338

L/PRES SOL/CIRC                                      P0745                        AT-166

MAF SEN/CIRCUIT*3                                    P0100                       EC-152

MULTI CYL MISFIRE                                    P0300                       EC-330



                                             EC-9
                                       TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC (Cont'd)

                            Items
                                                                                DTC*1                       Reference page
                    (CONSULT-II screen terms)

 NATS MALFUNCTION                                                          P1610 - P1615*2                       EL-415

 NO DTC IS DETECTED.
 FURTHER TESTING                                                                 P0000                             --
 MAY BE REQUIRED.

 O/R CLTCH SOL/CIRC                                                              P1760                           AT-191

 P-N POS SW/CIRCUIT                                                              P1706                           EC-597

 PNP SW/CIRC                                                                     P0705                           AT-102

 PURG VOLUME CONT/V                                                              P0443                           EC-377

 PURG VOLUME CONT/V      



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