Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G20 P11 1999-2002 Approved G20-P11-2002 ec
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ENGINE CONTROL SYSTEM GI
SECTION EC MA
EM
LC
CONTENTS FE
TROUBLE DIAGNOSIS - INDEX ....................................8 ON BOARD DIAGNOSTIC SYSTEM
CL
Alphabetical & P No. Index for DTC ...........................8 DESCRIPTION ...............................................................67
PRECAUTIONS .............................................................14 Introduction ................................................................67 MT
Supplemental Restraint System (SRS) AIR Two Trip Detection Logic ...........................................67
BAG and SEAT BELT PRE-TENSIONER.............14 Emission-related Diagnostic Information ...................68
Precautions for On Board Diagnostic (OBD) Malfunction Indicator Lamp (MIL)..............................81 AT
System of Engine and A/T.........................................14 OBD System Operation Chart ...................................83
Engine Fuel & Emission Control System ..................15 CONSULT-II ...............................................................88
Precautions ................................................................16 Generic Scan Tool (GST) ........................................101
AX
Wiring Diagrams and Trouble Diagnosis...................17 TROUBLE DIAGNOSIS - INTRODUCTION................103
PREPARATION .............................................................18 Introduction ..............................................................103 SU
Special Service Tools ................................................18 Work Flow................................................................105
Commercial Service Tools .........................................18 TROUBLE DIAGNOSIS - BASIC INSPECTION .........107
ENGINE AND EMISSION CONTROL OVERALL Basic Inspection.......................................................107 BR
SYSTEM.........................................................................20 TROUBLE DIAGNOSIS - GENERAL
Engine Control Component Parts Location...............20 DESCRIPTION .............................................................123
Circuit Diagram ..........................................................24 DTC Inspection Priority Chart..................................123 ST
System Diagram ........................................................26 Fail-safe Chart .........................................................124
Vacuum Hose Drawing ..............................................27 Symptom Matrix Chart.............................................125
RS
System Chart .............................................................28 CONSULT-II Reference Value in Data Monitor
ENGINE AND EMISSION BASIC CONTROL Mode ........................................................................129
SYSTEM DESCRIPTION ...............................................29 Major Sensor Reference Graph in Data Monitor BT
Multiport Fuel Injection (MFI) System .......................29 Mode ........................................................................131
Distributor Ignition (DI) System .................................31 ECM Terminals and Reference Value .....................134
Air Conditioning Cut Control......................................32 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ..142 HA
Fuel Cut Control (at no load & high engine Description ...............................................................142
speed) ........................................................................33 Testing Condition .....................................................142
Evaporative Emission System ...................................33 Inspection Procedure...............................................142
SC
On Board Refueling Vapor Recovery (ORVR) ..........39 Diagnostic Procedure ..............................................143
Positive Crankcase Ventilation ..................................48 TROUBLE DIAGNOSIS FOR INTERMITTENT EL
BASIC SERVICE PROCEDURE ...................................50 INCIDENT.....................................................................146
Fuel Pressure Release ..............................................50 Description ...............................................................146
Fuel Pressure Check .................................................50 Diagnostic Procedure ..............................................146 IDX
Fuel Pressure Regulator Check ................................51 TROUBLE DIAGNOSIS FOR POWER SUPPLY........147
Injector .......................................................................51 Main Power Supply and Ground Circuit..................147
Idle Speed/Ignition Timing/Idle Mixture Ratio DTC P0100 MASS AIR FLOW SENSOR (MAFS)......154
Adjustment .................................................................53 Component Description ...........................................154
Idle Air Volume Learning ...........................................65 CONSULT-II Reference Value in Data Monitor
Mode ........................................................................154
CONTENTS (Cont'd)
ECM Terminals and Reference Value .....................154 Component Description ...........................................196
On Board Diagnosis Logic.......................................155 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................155 Mode ........................................................................196
Overall Function Check ...........................................157 ECM Terminals and Reference Value .....................196
Wiring Diagram ........................................................158 On Board Diagnosis Logic.......................................197
Diagnostic Procedure ..............................................159 DTC Confirmation Procedure ..................................197
Component Inspection.............................................162 Overall Function Check ...........................................198
DTC P0105 ABSOLUTE PRESSURE SENSOR ........163 Wiring Diagram ........................................................199
Component Description ...........................................163 Diagnostic Procedure ..............................................200
On Board Diagnosis Logic.......................................163 Component Inspection.............................................202
DTC Confirmation Procedure ..................................163 DTC P0131 HEATED OXYGEN SENSOR 1
Diagnostic Procedure ..............................................164 (FRONT) (LEAN SHIFT MONITORING) .....................204
DTC P0110 INTAKE AIR TEMPERATURE Component Description ...........................................204
SENSOR ......................................................................165 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................165 Mode ........................................................................204
On Board Diagnosis Logic.......................................165 ECM Terminals and Reference Value .....................204
DTC Confirmation Procedure ..................................165 On Board Diagnosis Logic.......................................205
Wiring Diagram ........................................................167 DTC Confirmation Procedure ..................................205
Diagnostic Procedure ..............................................168 Overall Function Check ...........................................206
Component Inspection.............................................170 Diagnostic Procedure ..............................................206
DTC P0115 ENGINE COOLANT TEMPERATURE Component Inspection.............................................208
SENSOR (ECTS) (CIRCUIT) .......................................171 DTC P0132 HEATED OXYGEN SENSOR 1
Component Description ...........................................171 (FRONT) (RICH SHIFT MONITORING) ......................210
CONSULT-II Reference Value in Data Monitor Component Description ...........................................210
Mode ........................................................................171 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................171 Mode ........................................................................210
DTC Confirmation Procedure ..................................172 ECM Terminals and Reference Value .....................210
Wiring Diagram ........................................................173 On Board Diagnosis Logic.......................................211
Diagnostic Procedure ..............................................174 DTC Confirmation Procedure ..................................211
Component Inspection.............................................176 Overall Function Check ...........................................212
DTC P0120 THROTTLE POSITION SENSOR ...........177 Diagnostic Procedure ..............................................213
Component Description ...........................................177 Component Inspection.............................................215
CONSULT-II Reference Value in Data Monitor DTC P0133 HEATED OXYGEN SENSOR 1
Mode ........................................................................177 (FRONT) (RESPONSE MONITORING).......................217
ECM Terminals and Reference Value .....................178 Component Description ...........................................217
On Board Diagnosis Logic.......................................178 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................179 Mode ........................................................................217
Wiring Diagram ........................................................183 ECM Terminals and Reference Value .....................217
Diagnostic Procedure ..............................................184 On Board Diagnosis Logic.......................................218
Component Inspection.............................................188 DTC Confirmation Procedure ..................................218
DTC P0125 ENGINE COOLANT TEMPERATURE Overall Function Check ...........................................219
(ECT) SENSOR............................................................190 Wiring Diagram ........................................................220
Component Description ...........................................190 Diagnostic Procedure ..............................................221
CONSULT-II Reference Value in Data Monitor Component Inspection.............................................224
Mode ........................................................................190 DTC P0134 HEATED OXYGEN SENSOR 1
On Board Diagnosis Logic.......................................190 (FRONT) (HIGH VOLTAGE)........................................226
DTC Confirmation Procedure ..................................191 Component Description ...........................................226
Wiring Diagram ........................................................192 CONSULT-II Reference Value in Data Monitor
Diagnostic Procedure ..............................................193 Mode ........................................................................226
Component Inspection.............................................195 ECM Terminals and Reference Value .....................226
DTC P0130 HEATED OXYGEN SENSOR 1 On Board Diagnosis Logic.......................................227
(FRONT) (CIRCUIT).....................................................196 DTC Confirmation Procedure ..................................227
EC-2
CONTENTS (Cont'd)
Wiring Diagram ........................................................228 Component Description ...........................................261 GI
Diagnostic Procedure ..............................................229 CONSULT-II Reference Value in Data Monitor
Component Inspection.............................................230 Mode ........................................................................261
DTC P0135 HEATED OXYGEN SENSOR 1 ECM Terminals and Reference Value .....................261 MA
HEATER (FRONT).......................................................232 On Board Diagnosis Logic.......................................261
Description ...............................................................232 DTC Confirmation Procedure ..................................262
CONSULT-II Reference Value in Data Monitor Overall Function Check ...........................................262
EM
Mode ........................................................................232 Wiring Diagram ........................................................263
ECM Terminals and Reference Value .....................232 Diagnostic Procedure ..............................................264 LC
On Board Diagnosis Logic.......................................232 Component Inspection.............................................265
DTC Confirmation Procedure ..................................233 DTC P0141 HEATED OXYGEN SENSOR 2
Wiring Diagram ........................................................234 HEATER (REAR) .........................................................267
Diagnostic Procedure ..............................................235 Description ...............................................................267
Component Inspection.............................................236 CONSULT-II Reference Value in Data Monitor
DTC P0137 HEATED OXYGEN SENSOR 2 Mode ........................................................................267 FE
(REAR) (MIN. VOLTAGE MONITORING)...................237 ECM Terminals and Reference Value .....................267
Component Description ...........................................237 On Board Diagnosis Logic.......................................267 CL
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................268
Mode ........................................................................237 Wiring Diagram ........................................................269
ECM Terminals and Reference Value .....................237 Diagnostic Procedure ..............................................270 MT
On Board Diagnosis Logic.......................................237 Component Inspection.............................................271
DTC Confirmation Procedure ..................................238 DTC P0171 FUEL INJECTION SYSTEM
Overall Function Check ...........................................238 FUNCTION (LEAN SIDE) ............................................272 AT
Wiring Diagram ........................................................239 On Board Diagnosis Logic.......................................272
Diagnostic Procedure ..............................................240 DTC Confirmation Procedure ..................................272
AX
Component Inspection.............................................243 Wiring Diagram ........................................................274
DTC P0138 HEATED OXYGEN SENSOR 2 Diagnostic Procedure ..............................................275
(REAR) (MAX. VOLTAGE MONITORING) .................245 DTC P0172 FUEL INJECTION SYSTEM SU
Component Description ...........................................245 FUNCTION (RICH SIDE) .............................................279
CONSULT-II Reference Value in Data Monitor On Board Diagnosis Logic.......................................279
Mode ........................................................................245 DTC Confirmation Procedure ..................................279 BR
ECM Terminals and Reference Value .....................245 Wiring Diagram ........................................................281
On Board Diagnosis Logic.......................................245 Diagnostic Procedure ..............................................282
DTC Confirmation Procedure ..................................246 DTC P0180 FUEL TANK TEMPERATURE
ST
Overall Function Check ...........................................246 SENSOR ......................................................................286
Wiring Diagram ........................................................247 Component Description ...........................................286 RS
Diagnostic Procedure ..............................................248 On Board Diagnosis Logic.......................................286
Component Inspection.............................................251 DTC Confirmation Procedure ..................................286
DTC P0139 HEATED OXYGEN SENSOR 2 Wiring Diagram ........................................................288 BT
(REAR) (RESPONSE MONITORING).........................253 Diagnostic Procedure ..............................................289
Component Description ...........................................253 Component Inspection.............................................290
CONSULT-II Reference Value in Data Monitor DTC P0217 COOLANT OVERTEMPERATURE HA
Mode ........................................................................253 ENRICHMENT PROTECTION.....................................291
ECM Terminals and Reference Value .....................253 System Description..................................................291
SC
On Board Diagnosis Logic.......................................253 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................254 Mode ........................................................................291
Overall Function Check ...........................................254 ECM Terminals and Reference Value .....................292 EL
Wiring Diagram ........................................................255 On Board Diagnosis Logic.......................................292
Diagnostic Procedure ..............................................256 Possible Cause........................................................292
Component Inspection.............................................259 Overall Function Check ...........................................293 IDX
DTC P0140 HEATED OXYGEN SENSOR 2 Wiring Diagram ........................................................296
(REAR) (HIGH VOLTAGE) ..........................................261 Diagnostic Procedure (A/T Models) ........................298
EC-3
CONTENTS (Cont'd)
Diagnostic Procedure (M/T Models)........................309 DTC Confirmation Procedure ..................................359
Main 12 Causes of Overheating..............................321 Wiring Diagram ........................................................360
DTC P0300 - P0304 NO. 4 - 1 CYLINDER Diagnostic Procedure ..............................................361
MISFIRE, MULTIPLE CYLINDER MISFIRE ...............322 DTC P0420 THREE WAY CATALYST FUNCTION ...364
On Board Diagnosis Logic.......................................322 On Board Diagnosis Logic.......................................364
DTC Confirmation Procedure ..................................322 DTC Confirmation Procedure ..................................364
Diagnostic Procedure ..............................................323 Overall Function Check ...........................................365
Component Inspection.............................................328 Diagnostic Procedure ..............................................365
DTC P0325 KNOCK SENSOR (KS) ...........................329 DTC P0440 EVAP CONTROL SYSTEM (SMALL
Component Description ...........................................329 LEAK) (NEGATIVE PRESSURE)................................368
ECM Terminals and Reference Value .....................329 On Board Diagnosis Logic.......................................368
On Board Diagnosis Logic.......................................329 Possible Cause........................................................368
DTC Confirmation Procedure ..................................329 DTC Confirmation Procedure ..................................369
Wiring Diagram ........................................................330 Diagnostic Procedure ..............................................370
Diagnostic Procedure ..............................................331 DTC P0443 EVAP CANISTER PURGE VOLUME
Component Inspection.............................................332 CONTROL SOLENOID VALVE (CIRCUIT).................382
DTC P0335 CRANKSHAFT POSITION SENSOR Description ...............................................................382
(CKPS) (OBD)..............................................................333 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................333 Mode ........................................................................382
ECM Terminals and Reference Value .....................333 ECM Terminals and Reference Value .....................383
On Board Diagnosis Logic.......................................333 On Board Diagnosis Logic.......................................383
DTC Confirmation Procedure ..................................334 Possible Cause........................................................383
Wiring Diagram ........................................................335 DTC Confirmation Procedure ..................................384
Diagnostic Procedure ..............................................336 Wiring Diagram ........................................................385
Component Inspection.............................................338 Diagnostic Procedure ..............................................386
DTC P0340 CAMSHAFT POSITION SENSOR DTC P0446 EVAPORATIVE EMISSION (EVAP)
(CMPS).........................................................................339 CANISTER VENT CONTROL VALVE (CIRCUIT) ......389
Component Description ...........................................339 Component Description ...........................................389
ECM Terminals and Reference Value .....................339 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................340 Mode ........................................................................389
DTC Confirmation Procedure ..................................340 ECM Terminals and Reference Value .....................389
Wiring Diagram ........................................................342 On Board Diagnosis Logic.......................................389
Diagnostic Procedure ..............................................343 Possible Cause........................................................390
Component Inspection.............................................346 DTC Confirmation Procedure ..................................390
DTC P0400 EGR FUNCTION (CLOSE)......................347 Wiring Diagram ........................................................391
Description ...............................................................347 Diagnostic Procedure ..............................................392
CONSULT-II Reference Value in Data Monitor DTC P0450 EVAPORATIVE EMISSION (EVAP)
Mode ........................................................................348 CONTROL SYSTEM PRESSURE SENSOR ..............396
ECM Terminals and Reference Value .....................348 Component Description ...........................................396
On Board Diagnosis Logic.......................................348 CONSULT-II Reference Value in Data Monitor
Possible Cause........................................................349 Mode ........................................................................396
DTC Confirmation Procedure ..................................349 ECM Terminals and Reference Value .....................396
Wiring Diagram ........................................................351 On Board Diagnosis Logic.......................................397
Diagnostic Procedure ..............................................352 Possible Cause........................................................397
DTC P0403 EGR VOLUME CONTROL VALVE DTC Confirmation Procedure ..................................397
(CIRCUIT).....................................................................357 Wiring Diagram ........................................................399
Description ...............................................................357 Diagnostic Procedure ..............................................400
CONSULT-II Reference Value in Data Monitor DTC P0455 EVAP CONTROL SYSTEM (GROSS
Mode ........................................................................358 LEAK)...........................................................................409
ECM Terminals and Reference Value .....................358 On Board Diagnosis Logic.......................................409
On Board Diagnosis Logic.......................................358 Possible Cause........................................................409
Possible Cause........................................................359 DTC Confirmation Procedure ..................................410
EC-4
CONTENTS (Cont'd)
Diagnostic Procedure ..............................................411 DTC P0600 A/T CONTROL.........................................453 GI
DTC P0460 FUEL LEVEL SENSOR FUNCTION System Description..................................................453
(SLOSH).......................................................................420 ECM Terminals and Reference Value .....................453
Component Description ...........................................420 On Board Diagnosis Logic.......................................453 MA
ECM Terminals and Reference Value .....................420 DTC Confirmation Procedure ..................................453
On Board Diagnostic Logic......................................420 Wiring Diagram ........................................................454
Possible Cause........................................................420 Diagnostic Procedure ..............................................455
EM
DTC Confirmation Procedure ..................................421 DTC P0605 ECM .........................................................456
Wiring Diagram ........................................................422 Component Description ...........................................456 LC
Diagnostic Procedure ..............................................423 On Board Diagnosis Logic.......................................456
DTC P0461 FUEL LEVEL SENSOR FUNCTION .......425 DTC Confirmation Procedure ..................................456
Component Description ...........................................425 Diagnostic Procedure ..............................................457
On Board Diagnostic Logic......................................425 DTC P1126 THERMOSTAT FUNCTION.....................458
Possible Cause........................................................425 On Board Diagnosis Logic.......................................458
Overall Function Check ...........................................425 Possible Cause........................................................458 FE
DTC P0464 FUEL LEVEL SENSOR CIRCUIT ...........427 DTC Confirmation Procedure ..................................458
Component Description ...........................................427 Diagnostic Procedure ..............................................459 CL
ECM Terminals and Reference Value .....................427 DTC P1148 CLOSED LOOP CONTROL ....................460
On Board Diagnostic Logic......................................427 On Board Diagnosis Logic.......................................460
Possible Cause........................................................427 DTC Confirmation Procedure ..................................460 MT
DTC Confirmation Procedure ..................................428 Overall Function Check ...........................................461
Wiring Diagram ........................................................429 Diagnostic Procedure ..............................................461
Diagnostic Procedure ..............................................430 DTC P1217 ENGINE OVER TEMPERATURE AT
DTC P0500 VEHICLE SPEED SENSOR (VSS) .........432 (OVERHEAT) ...............................................................462
Component Description ...........................................432 System Description..................................................462
AX
ECM Terminals and Reference Value .....................432 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................432 Mode ........................................................................462
DTC Confirmation Procedure ..................................432 ECM Terminals and Reference Value .....................463 SU
Overall Function Check ...........................................433 On Board Diagnosis Logic.......................................463
Wiring Diagram ........................................................434 Overall Function Check ...........................................464
Diagnostic Procedure ..............................................435 Wiring Diagram ........................................................465 BR
DTC P0505 IDLE AIR CONTROL VALVE (IACV) - Diagnostic Procedure (A/T Models) ........................467
AUXILIARY AIR CONTROL (AAC) VALVE ...............436 Diagnostic Procedure (M/T Models)........................478
Description ...............................................................436 Main 12 Causes of Overheating..............................490
ST
CONSULT-II Reference Value in Data Monitor DTC P1336 CRANKSHAFT POSITION SENSOR
Mode ........................................................................437 (CKPS) (OBD) (COG)..................................................491 RS
ECM Terminals and Reference Value .....................437 Component Description ...........................................491
On Board Diagnosis Logic.......................................437 ECM Terminals and Reference Value .....................491
DTC Confirmation Procedure ..................................437 On Board Diagnosis Logic.......................................491 BT
Wiring Diagram ........................................................439 DTC Confirmation Procedure ..................................492
Diagnostic Procedure ..............................................440 Wiring Diagram ........................................................493
DTC P0510 CLOSED THROTTLE POSITION Diagnostic Procedure ..............................................494 HA
SWITCH .......................................................................445 Component Inspection.............................................496
Component Description ...........................................445 DTC P1401 EGR TEMPERATURE SENSOR.............497
SC
CONSULT-II Reference Value in Data Monitor Component Description ...........................................497
Mode ........................................................................445 On Board Diagnosis Logic.......................................497
ECM Terminals and Reference Value .....................445 Possible Cause........................................................497 EL
On Board Diagnosis Logic.......................................445 DTC Confirmation Procedure ..................................498
DTC Confirmation Procedure ..................................446 Wiring Diagram ........................................................500
Overall Function Check ...........................................446 Diagnostic Procedure ..............................................501 IDX
Wiring Diagram ........................................................447 DTC P1402 EGR FUNCTION (OPEN) ........................505
Diagnostic Procedure ..............................................448 Description ...............................................................505
EC-5
CONTENTS (Cont'd)
CONSULT-II Reference Value in Data Monitor Possible Cause........................................................550
Mode ........................................................................506 DTC Confirmation Procedure ..................................550
ECM Terminals and Reference Value .....................506 Overall Function Check ...........................................551
On Board Diagnosis Logic.......................................506 Wiring Diagram ........................................................552
Possible Cause........................................................507 Diagnostic Procedure ..............................................553
DTC Confirmation Procedure ..................................507 DTC P1464 FUEL LEVEL SENSOR CIRCUIT
Wiring Diagram ........................................................509 (GROUND SIGNAL) ....................................................558
Diagnostic Procedure ..............................................510 Component Description ...........................................558
DTC P1440 EVAP CONTROL SYSTEM (SMALL ECM Terminals and Reference Value .....................558
LEAK) (POSITIVE PRESSURE) .................................515 On Board Diagnostic Logic......................................558
On Board Diagnosis Logic.......................................515 Possible Cause........................................................558
Possible Cause........................................................515 DTC Confirmation Procedure ..................................559
DTC Confirmation Procedure ..................................516 Wiring Diagram ........................................................560
Diagnostic Procedure ..............................................516 Diagnostic Procedure ..............................................561
DTC P1444 EVAP CANISTER PURGE VOLUME DTC P1490 VACUUM CUT VALVE BYPASS
CONTROL SOLENOID VALVE...................................517 VALVE (CIRCUIT)........................................................562
Description ...............................................................517 Description ...............................................................562
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor
Mode ........................................................................517 Mode ........................................................................562
ECM Terminals and Reference Value .....................518 ECM Terminals and Reference Value .....................562
On Board Diagnosis Logic.......................................518 On Board Diagnosis Logic.......................................563
Possible Cause........................................................518 Possible Cause........................................................563
DTC Confirmation Procedure ..................................519 DTC Confirmation Procedure ..................................563
Wiring Diagram ........................................................520 Wiring Diagram ........................................................564
Diagnostic Procedure ..............................................521 Diagnostic Procedure ..............................................565
DTC P1446 EVAPORATIVE EMISSION (EVAP) DTC P1491 VACUUM CUT VALVE BYPASS
CANISTER VENT CONTROL VALVE (CLOSE).........529 VALVE..........................................................................568
Component Description ...........................................529 Description ...............................................................568
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor
Mode ........................................................................529 Mode ........................................................................568
ECM Terminals and Reference Value .....................529 ECM Terminals and Reference Value .....................568
On Board Diagnosis Logic.......................................529 On Board Diagnosis Logic.......................................569
Possible Cause........................................................530 Possible Cause........................................................569
DTC Confirmation Procedure ..................................530 DTC Confirmation Procedure ..................................569
Wiring Diagram ........................................................531 Overall Function Check ...........................................570
Diagnostic Procedure ..............................................532 Wiring Diagram ........................................................571
DTC P1447 EVAPORATIVE EMISSION (EVAP) Diagnostic Procedure ..............................................572
CONTROL SYSTEM PURGE FLOW DTC P1605 A/T DIAGNOSIS COMMUNICATION
MONITORING ..............................................................537 LINE .............................................................................580
System Description..................................................537 System Description..................................................580
On Board Diagnosis Logic.......................................537 ECM Terminals and Reference Value .....................580
Possible Cause........................................................537 On Board Diagnosis Logic.......................................580
DTC Confirmation Procedure ..................................538 DTC Confirmation Procedure ..................................580
Overall Function Check ...........................................538 Wiring Diagram ........................................................581
Diagnostic Procedure ..............................................540 Diagnostic Procedure ..............................................582
DTC P1448 EVAPORATIVE EMISSION (EVAP) DTC P1706 PARK/NEUTRAL POSITION (PNP)
CANISTER VENT CONTROL VALVE (OPEN)...........549 SWITCH .......................................................................583
Component Description ...........................................549 Component Description ...........................................583
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor
Mode ........................................................................549 Mode ........................................................................583
ECM Terminals and Reference Value .....................549 ECM Terminals and Reference Value .....................583
On Board Diagnosis Logic.......................................549 On Board Diagnosis Logic.......................................583
EC-6
CONTENTS (Cont'd)
DTC Confirmation Procedure ..................................583 ECM Terminals and Reference Value .....................614 GI
Overall Function Check ...........................................584 Wiring Diagram ........................................................615
Wiring Diagram ........................................................585 Diagnostic Procedure ..............................................616
Diagnostic Procedure For M/T Models....................586 Component Inspection.............................................618 MA
Diagnostic Procedure For A/T Models ....................588 REFRIGERANT PRESSURE SENSOR ......................619
IGNITION SIGNAL.......................................................590 Description ...............................................................619
Component Description ...........................................590 ECM Terminals and Reference Value .....................619
EM
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................620
Mode ........................................................................590 Diagnostic Procedure ..............................................621 LC
ECM Terminals and Reference Value .....................590 ELECTRICAL LOAD SIGNAL.....................................624
Wiring Diagram ........................................................591 CONSULT-II Reference Value in Data Monitor
Diagnostic Procedure ..............................................592 Mode ........................................................................624
Component Inspection.............................................595 ECM Terminals and Reference Value .....................624
INJECTOR ...................................................................596 Wiring Diagram ........................................................625
Component Description ...........................................596 Diagnostic Procedure ..............................................627 FE
CONSULT-II Reference Value in Data Monitor MIL & DATA LINK CONNECTORS ............................631
Mode ........................................................................596 Wiring Diagram ........................................................631 CL
ECM Terminals and Reference Value .....................596 SERVICE DATA AND SPECIFICATIONS (SDS) .......632
Wiring Diagram ........................................................597 Fuel Pressure Regulator..........................................632
Diagnostic Procedure ..............................................598 Idle Speed and Ignition Timing................................632 MT
START SIGNAL...........................................................601 Ignition Coil ..............................................................632
CONSULT-II Reference Value in Data Monitor Mass Air Flow Sensor..............................................632
Mode ........................................................................601 Engine Coolant Temperature Sensor ......................632 AT
ECM Terminals and Reference Value .....................601 EGR Volume Control Valve .....................................632
Wiring Diagram ........................................................602 EGR Temperature Sensor .......................................632
AX
Diagnostic Procedure ..............................................603 Fuel Pump ...............................................................633
FUEL PUMP.................................................................605 IACV-AAC Valve ......................................................633
System Description..................................................605 Injector .....................................................................633 SU
Component Description ...........................................605 Resistor....................................................................633
CONSULT-II Reference Value in Data Monitor Throttle Position Sensor ..........................................633
Mode ........................................................................605 Heated Oxygen Sensor 1 Heater (Front) ................633 BR
ECM Terminals and Reference Value .....................606 Calculated Load Value.............................................633
Wiring Diagram ........................................................607 Intake Air Temperature Sensor................................633
Diagnostic Procedure ..............................................608 EVAP Canister Purge Volume Control Valve ..........633
ST
Component Inspection.............................................613 Heated Oxygen Sensor 2 Heater (Rear).................633
POWER STEERING OIL PRESSURE SWITCH.........614 Crankshaft Position Sensor (OBD)..........................633 RS
Component Description ...........................................614 Fuel Tank Temperature Sensor ...............................634
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................614 BT
HA
SC
EL
IDX
EC-7
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC
Alphabetical & P No. Index for DTC NCEC0001
ALPHABETICAL INDEX FOR DTC NCEC0001S01
Items
DTC*1 Reference page
(CONSULT-II screen terms)
Unable to access ECM -- EC-124
ABSL PRES SEN/CIRC P0105 EC-163
AIR TEMP SEN/CIRC P0110 EC-165
A/T 1ST GR FNCTN P0731 AT-128
A/T 2ND GR FNCTN P0732 AT-135
A/T 3RD GR FNCTN P0733 AT-141
A/T 4TH GR FNCTN P0734 AT-147
A/T COMM LINE P0600*2 EC-453
A/T DIAG COMM LINE P1605 EC-580
A/T TCC S/V FNCTN P0744 AT-163
ATF TEMP SEN/CIRC P0710 AT-113
CKP SEN/CIRCUIT P0335 EC-333
CKP SENSOR (COG) P1336 EC-491
CLOSED LOOP-B1 P1148 EC-460
CLOSED TP SW/CIRC P0510 EC-445
CMP SEN/CIRC P0340 EC-339
COOLANT T SEN/CIRC*3 P0115 EC-171
*COOLAN T SEN/CIRC P0125 EC-190
CYL 1 MISFIRE P0301 EC-322
CYL 2 MISFIRE P0302 EC-322
CYL 3 MISFIRE P0303 EC-322
CYL 4 MISFIRE P0304 EC-322
ECM P0605 EC-456
EGR SYSTEM P0400 EC-347
EGR SYSTEM P1402 EC-505
EGR TEMP SEN/CIRC P1401 EC-497
EGR VOL CONT/V CIR P0403 EC-357
ENGINE SPEED SIG P0725 AT-124
ENG OVER TEMP P0217 EC-291
ENG OVER TEMP P1217*2 EC-462
EVAP GROSS LEAK P0455 EC-409
EVAP PURG FLOW/MON P1447 EC-537
EVAP SYS PRES SEN P0450 EC-396
EVAP SMALL LEAK P0440 EC-368
EVAP SMALL LEAK P1440 EC-515
EC-8
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC (Cont'd)
Items
DTC*1 Reference page
(CONSULT-II screen terms)
GI
FUEL LEVL SEN/CIRC P0464 EC-427
FUEL LEVL SEN/CIRC P1464 EC-558
MA
FUEL LEVEL SENSOR P0461 EC-425
FUEL LEV SEN SLOSH P0460 EC-420
EM
FUEL SYS-LEAN/BK1 P0171 EC-272
FUEL SYS-RICH/BK1 P0172 EC-279 LC
FUEL TEMP SEN/CIRC P0180 EC-286
HO2S1 (B1) P0130 EC-196
HO2S1 (B1) P0131 EC-204
HO2S1 (B1) P0132 EC-210 FE
HO2S1 (B1) P0133 EC-217
HO2S1 (B1) P0134 EC-226 CL
HO2S1 HTR (B1) P0135 EC-232
HO2S2 (B1) P0137 EC-237 MT
HO2S2 (B1) P0138 EC-245
HO2S2 (B1) P0139 EC-253
AT
HO2S2 (B1) P0140 EC-261
AX
HO2S2 HTR (B1) P0141 EC-267
IACV/AAC VLV/CIRC P0505 EC-436
SU
KNOCK SEN/CIRC-B1 P0325*2 EC-329
L/PRES SOL/CIRC P0745 AT-174
BR
MAF SEN/CIRCUIT*3 P0100 EC-154
MULTI CYL MISFIRE P0300 EC-322
ST
NATS MALFUNCTION P1610 - P1615*2 EL-247
NO DTC IS DETECTED. FURTHER TESTING MAY BE RS
P0000 --
REQUIRED.
O/R CLTCH SOL/CIRC P1760 AT-202
BT
P-N POS SW/CIRCUIT P1706 EC-583
PNP SW/CIRC P0705 AT-107
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