Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Maxima 2000-2005 Approved Nissan Maxima 2003 ec
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ENGINE CONTROL SYSTEM GI
SECTION EC MA
EM
LC
CONTENTS FE
TROUBLE DIAGNOSIS - INDEX ....................................9 Idle Speed/Ignition Timing/Idle Mixture Ratio
CL
Alphabetical Index .......................................................9 Adjustment .................................................................59
DTC No. Index...........................................................13 Accelerator Pedal Released Position Learning.........72 MT
PRECAUTIONS .............................................................18 Throttle Valve Closed Position Learning ...................72
Supplemental Restraint System (SRS) AIR Idle Air Volume Learning ...........................................72
BAG and SEAT BELT PRE-TENSIONER.............18 ON BOARD DIAGNOSTIC SYSTEM AT
Precautions for On Board Diagnostic (OBD) DESCRIPTION ...............................................................76
System of Engine and A/T.........................................18 Introduction ................................................................76
Engine Fuel & Emission Control System ..................19 Two Trip Detection Logic ...........................................76
AX
Precautions ................................................................20 Emission-related Diagnostic Information ...................77
Wiring Diagrams and Trouble Diagnosis...................21 Malfunction Indicator Lamp (MIL)..............................92 SU
PREPARATION .............................................................22 OBD System Operation Chart ...................................96
Special Service Tools ................................................22 CONSULT-II .............................................................101
Commercial Service Tools .........................................22 Generic Scan Tool (GST) ........................................116 BR
ENGINE AND EMISSION CONTROL OVERALL TROUBLE DIAGNOSIS - INTRODUCTION................118
SYSTEM.........................................................................24 Introduction ..............................................................118
Engine Control Component Parts Location...............24 Work Flow................................................................120 ST
Circuit Diagram ..........................................................28 TROUBLE DIAGNOSIS - BASIC INSPECTION .........122
System Diagram ........................................................30 Basic Inspection.......................................................122
RS
Vacuum Hose Drawing ..............................................31 TROUBLE DIAGNOSIS - GENERAL
System Chart .............................................................32 DESCRIPTION .............................................................128
ENGINE AND EMISSION BASIC CONTROL DTC Inspection Priority Chart..................................128 BT
SYSTEM DESCRIPTION ...............................................33 Fail-safe Chart .........................................................129
Multiport Fuel Injection (MFI) System .......................33 Symptom Matrix Chart.............................................130
Electronic Ignition (EI) System ..................................35 CONSULT-II Reference Value in Data Monitor HA
Air Conditioning Cut Control......................................36 Mode ........................................................................134
Fuel Cut Control (at no load & high engine Major Sensor Reference Graph in Data Monitor
speed) ........................................................................37 Mode ........................................................................137
SC
Evaporative Emission System ...................................37 ECM Terminals and Reference Value .....................140
On Board Refueling Vapor Recovery (ORVR) ..........43 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ..151 EL
Positive Crankcase Ventilation ..................................52 Description ...............................................................151
CAN Communication .................................................53 Testing Condition .....................................................151
Automatic Speed Control Device (ASCD) System....54 Inspection Procedure...............................................151 IDX
BASIC SERVICE PROCEDURE ...................................56 Diagnostic Procedure ..............................................152
Fuel Pressure Release ..............................................56 TROUBLE DIAGNOSIS FOR INTERMITTENT
Fuel Pressure Check .................................................56 INCIDENT.....................................................................155
Injector .......................................................................57 Description ...............................................................155
How to Check Idle Speed and Ignition Timing..........58 Diagnostic Procedure ..............................................155
TROUBLE DIAGNOSIS FOR POWER SUPPLY........156
CONTENTS (Cont'd)
Main Power Supply and Ground Circuit..................156 DTC P0107, P0108 ABSOLUTE PRESSURE
DTC U1000, U1001 CAN COMMUNICATION LINE...163 SENSOR ......................................................................201
Description ...............................................................163 Component Description ...........................................201
On Board Diagnosis Logic.......................................163 On Board Diagnosis Logic.......................................201
DTC Confirmation Procedure ..................................163 DTC Confirmation Procedure ..................................201
Wiring Diagram ........................................................164 Diagnostic Procedure ..............................................202
Diagnostic Procedure ..............................................165 DTC P0112, P0113 IAT SENSOR ...............................203
DTC P0011, P0021 IVT CONTROL ............................166 Component Description ...........................................203
Description ...............................................................166 On Board Diagnosis Logic.......................................203
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................203
Mode ........................................................................167 Wiring Diagram ........................................................204
On Board Diagnosis Logic.......................................167 Diagnostic Procedure ..............................................205
DTC Confirmation Procedure ..................................167 DTC P0117, P0118 ECT SENSOR..............................207
Wiring Diagram ........................................................169 Component Description ...........................................207
Diagnostic Procedure ..............................................172 On Board Diagnosis Logic.......................................207
Component Inspection.............................................174 DTC Confirmation Procedure ..................................208
DTC P0031, P0032, P0051, P0052 HO2S1 Wiring Diagram ........................................................209
HEATER.......................................................................175 Diagnostic Procedure ..............................................210
Description ...............................................................175 DTC P0122, P0123 TP SENSOR................................212
CONSULT-II Reference Value in Data Monitor Component Description ...........................................212
Mode ........................................................................175 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................175 Mode ........................................................................212
DTC Confirmation Procedure ..................................176 On Board Diagnosis Logic.......................................212
Wiring Diagram ........................................................177 DTC Confirmation Procedure ..................................213
Diagnostic Procedure ..............................................180 Wiring Diagram ........................................................214
DTC P0037, P0038, P0057, P0058 HO2S2 Diagnostic Procedure ..............................................215
HEATER.......................................................................182 Component Inspection.............................................217
Description ...............................................................182 DTC P0125 ECT SENSOR..........................................219
CONSULT-II Reference Value in Data Monitor Description ...............................................................219
Mode ........................................................................182 On Board Diagnosis Logic.......................................219
On Board Diagnosis Logic.......................................182 DTC Confirmation Procedure ..................................220
DTC Confirmation Procedure ..................................183 Diagnostic Procedure ..............................................220
Wiring Diagram ........................................................184 DTC P0127 IAT SENSOR ...........................................222
Diagnostic Procedure ..............................................186 Component Description ...........................................222
DTC P0101 MAF SENSOR .........................................188 On Board Diagnosis Logic.......................................222
Component Description ...........................................188 DTC Confirmation Procedure ..................................222
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................223
Mode ........................................................................188 DTC P0128 THERMOSTAT FUNCTION.....................224
On Board Diagnosis Logic.......................................188 On Board Diagnosis Logic.......................................224
DTC Confirmation Procedure ..................................188 DTC Confirmation Procedure ..................................224
Overall Function Check ...........................................190 Diagnostic Procedure ..............................................225
Wiring Diagram ........................................................191 DTC P0132, P0152 HO2S1 .........................................226
Diagnostic Procedure ..............................................192 Component Description ...........................................226
DTC P0102, P0103 MAF SENSOR.............................195 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................195 Mode ........................................................................226
CONSULT-II Reference Value in Data Monitor On Board Diagnosis Logic.......................................226
Mode ........................................................................195 DTC Confirmation Procedure ..................................227
On Board Diagnosis Logic.......................................195 Wiring Diagram ........................................................228
DTC Confirmation Procedure ..................................196 Diagnostic Procedure ..............................................230
Wiring Diagram ........................................................197 DTC P0133, P0153 HO2S1 .........................................234
Diagnostic Procedure ..............................................198 Component Description ...........................................234
EC-2
CONTENTS (Cont'd)
CONSULT-II Reference Value in Data Monitor On Board Diagnosis Logic.......................................290 GI
Mode ........................................................................234 DTC Confirmation Procedure ..................................290
On Board Diagnosis Logic.......................................234 Wiring Diagram ........................................................292
DTC Confirmation Procedure ..................................235 Diagnostic Procedure ..............................................293 MA
Overall Function Check ...........................................236 DTC P0222, P0223 TP SENSOR................................295
Wiring Diagram ........................................................237 Component Description ...........................................295
Diagnostic Procedure ..............................................239 CONSULT-II Reference Value in Data Monitor
EM
DTC P0134, P0154 HO2S1 .........................................246 Mode ........................................................................295
Component Description ...........................................246 On Board Diagnosis Logic.......................................295 LC
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................296
Mode ........................................................................246 Wiring Diagram ........................................................297
On Board Diagnosis Logic.......................................246 Diagnostic Procedure ..............................................298
DTC Confirmation Procedure ..................................247 Component Inspection.............................................300
Overall Function Check ...........................................248 DTC P0300 - P0306 MULTIPLE CYLINDER
Wiring Diagram ........................................................249 MISFIRE, NO. 1 - 6 CYLINDER MISFIRE ..................302 FE
Diagnostic Procedure ..............................................251 On Board Diagnosis Logic.......................................302
DTC P0138, P0158 HO2S2 .........................................255 DTC Confirmation Procedure ..................................303 CL
Component Description ...........................................255 Diagnostic Procedure ..............................................303
CONSULT-II Reference Value in Data Monitor DTC P0327, P0328 KS................................................310
Mode ........................................................................255 Component Description ...........................................310 MT
On Board Diagnosis Logic.......................................255 On Board Diagnosis Logic.......................................310
DTC Confirmation Procedure ..................................256 DTC Confirmation Procedure ..................................310
Wiring Diagram ........................................................257 Wiring Diagram ........................................................311 AT
Diagnostic Procedure ..............................................259 Diagnostic Procedure ..............................................312
DTC P0139, P0159 HO2S2 .........................................263 DTC P0335 CKP SENSOR (POS) ..............................315
AX
Component Description ...........................................263 Component Description ...........................................315
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor
Mode ........................................................................263 Mode ........................................................................315 SU
On Board Diagnosis Logic.......................................263 On Board Diagnosis Logic.......................................315
DTC Confirmation Procedure ..................................264 DTC Confirmation Procedure ..................................316
Overall Function Check ...........................................264 Wiring Diagram ........................................................317 BR
Wiring Diagram ........................................................266 Diagnostic Procedure ..............................................318
Diagnostic Procedure ..............................................268 Component Inspection.............................................321
DTC P0171, P0174 FUEL INJECTION SYSTEM DTC P0340, P0345 CMP SENSOR (PHASE) ............322
ST
FUNCTION ...................................................................272 Component Description ...........................................322
On Board Diagnosis Logic.......................................272 On Board Diagnosis Logic.......................................322 RS
DTC Confirmation Procedure ..................................272 DTC Confirmation Procedure ..................................322
Wiring Diagram ........................................................274 Wiring Diagram ........................................................324
Diagnostic Procedure ..............................................276 Diagnostic Procedure ..............................................326 BT
DTC P0172, P0175 FUEL INJECTION SYSTEM Component Inspection.............................................330
FUNCTION ...................................................................280 DTC P0420, P0430 THREE WAY CATALYST
On Board Diagnosis Logic.......................................280 FUNCTION ...................................................................331 HA
DTC Confirmation Procedure ..................................280 On Board Diagnosis Logic.......................................331
Wiring Diagram ........................................................282 DTC Confirmation Procedure ..................................331
SC
Diagnostic Procedure ..............................................284 Overall Function Check ...........................................332
DTC P0181 FTT SENSOR ..........................................287 Diagnostic Procedure ..............................................333
Component Description ...........................................287 DTC P0441 EVAP CONTROL SYSTEM.....................336 EL
On Board Diagnosis Logic.......................................287 System Description..................................................336
DTC Confirmation Procedure ..................................287 On Board Diagnosis Logic.......................................336
Diagnostic Procedure ..............................................288 DTC Confirmation Procedure ..................................337 IDX
DTC P0182, P0183 FTT SENSOR..............................290 Overall Function Check ...........................................337
Component Description ...........................................290 Diagnostic Procedure ..............................................339
EC-3
CONTENTS (Cont'd)
DTC P0442 EVAP CONTROL SYSTEM.....................346 DTC Confirmation Procedure ..................................417
On Board Diagnosis Logic.......................................346 Wiring Diagram ........................................................418
DTC Confirmation Procedure ..................................347 Diagnostic Procedure ..............................................419
Diagnostic Procedure ..............................................348 DTC P0461 FUEL LEVEL SENSOR...........................421
DTC P0444, P0445 EVAP CANISTER PURGE Component Description ...........................................421
VOLUME CONTROL SOLENOID VALVE ..................361 On Board Diagnostic Logic......................................421
Description ...............................................................361 Overall Function Check ...........................................421
CONSULT-II Reference Value in Data Monitor DTC P0462, P0463 FUEL LEVEL SENSOR ..............423
Mode ........................................................................361 Component Description ...........................................423
On Board Diagnosis Logic.......................................362 On Board Diagnostic Logic......................................423
DTC Confirmation Procedure ..................................362 DTC Confirmation Procedure ..................................423
Wiring Diagram ........................................................363 Wiring Diagram ........................................................424
Diagnostic Procedure ..............................................365 Diagnostic Procedure ..............................................425
DTC P0447 EVAP CANISTER VENT CONTROL DTC P0500 VSS ..........................................................427
VALVE..........................................................................368 Component Description ...........................................427
Component Description ...........................................368 On Board Diagnosis Logic.......................................427
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................427
Mode ........................................................................368 Overall Function Check ...........................................428
On Board Diagnosis Logic.......................................368 Wiring Diagram ........................................................429
DTC Confirmation Procedure ..................................368 Diagnostic Procedure ..............................................430
Wiring Diagram ........................................................370 DTC P0506 ISC SYSTEM ...........................................431
Diagnostic Procedure ..............................................371 Description ...............................................................431
DTC P0452 EVAP SYSTEM PRESSURE SENSOR ..375 On Board Diagnosis Logic.......................................431
Component Description ...........................................375 DTC Confirmation Procedure ..................................431
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................432
Mode ........................................................................375 DTC P0507 ISC SYSTEM ...........................................433
On Board Diagnosis Logic.......................................375 Description ...............................................................433
DTC Confirmation Procedure ..................................375 On Board Diagnosis Logic.......................................433
Wiring Diagram ........................................................377 DTC Confirmation Procedure ..................................433
Diagnostic Procedure ..............................................378 Diagnostic Procedure ..............................................434
DTC P0453 EVAP SYSTEM PRESSURE SENSOR ..381 DTC P0550 PSP SENSOR..........................................435
Component Description ...........................................381 Component Description ...........................................435
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor
Mode ........................................................................381 Mode ........................................................................435
On Board Diagnosis Logic.......................................381 On Board Diagnosis Logic.......................................435
DTC Confirmation Procedure ..................................382 DTC Confirmation Procedure ..................................435
Wiring Diagram ........................................................383 Wiring Diagram ........................................................436
Diagnostic Procedure ..............................................384 Diagnostic Procedure ..............................................437
DTC P0455 EVAP CONTROL SYSTEM (GROSS Component Inspection.............................................439
LEAK)...........................................................................390 DTC P0605 ECM .........................................................440
On Board Diagnosis Logic.......................................390 Component Description ...........................................440
Possible Cause........................................................390 On Board Diagnosis Logic.......................................440
DTC Confirmation Procedure ..................................391 DTC Confirmation Procedure ..................................440
Diagnostic Procedure ..............................................392 Diagnostic Procedure ..............................................441
DTC P0456 EVAP CONTROL SYSTEM.....................402 DTC P0650 MIL (CIRCUIT) .........................................442
On Board Diagnosis Logic.......................................402 Component Description ...........................................442
DTC Confirmation Procedure ..................................403 On Board Diagnosis Logic.......................................442
Overall Function Check ...........................................404 DTC Confirmation Procedure ..................................442
Diagnostic Procedure ..............................................404 Wiring Diagram ........................................................443
DTC P0460 FUEL LEVEL SENSOR...........................417 Diagnostic Procedure ..............................................444
Component Description ...........................................417 DTC P1065 ECM POWER SUPPLY (BACK UP).......446
On Board Diagnostic Logic......................................417 Component Description ...........................................446
EC-4
CONTENTS (Cont'd)
On Board Diagnosis Logic.......................................446 Component Description ...........................................484 GI
DTC Confirmation Procedure ..................................446 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................447 Mode ........................................................................484
Diagnostic Procedure ..............................................448 On Board Diagnosis Logic.......................................484 MA
DTC P1102 MAF SENSOR .........................................450 DTC Confirmation Procedure ..................................485
Component Description ...........................................450 Overall Function Check ...........................................486
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................486
EM
Mode ........................................................................450 DTC P1146, P1166 HO2S2 .........................................491
On Board Diagnosis Logic.......................................450 Component Description ...........................................491 LC
DTC Confirmation Procedure ..................................450 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................452 Mode ........................................................................491
Diagnostic Procedure ..............................................453 On Board Diagnosis Logic.......................................491
DTC P1121 ELECTRIC THROTTLE CONTROL DTC Confirmation Procedure ..................................492
ACTUATOR .................................................................456 Overall Function Check ...........................................492
Component Description ...........................................456 Wiring Diagram ........................................................494 FE
On Board Diagnosis Logic.......................................456 Diagnostic Procedure ..............................................496
DTC Confirmation Procedure ..................................456 DTC P1147, P1167 HO2S2 .........................................500 CL
Diagnostic Procedure ..............................................457 Component Description ...........................................500
DTC P1122 ELECTRIC THROTTLE CONTROL CONSULT-II Reference Value in Data Monitor
FUNCTION ...................................................................458 Mode ........................................................................500 MT
Description ...............................................................458 On Board Diagnosis Logic.......................................500
On Board Diagnosis Logic.......................................458 DTC Confirmation Procedure ..................................501
DTC Confirmation Procedure ..................................458 Overall Function Check ...........................................501 AT
Wiring Diagram ........................................................460 Wiring Diagram ........................................................503
Diagnostic Procedure ..............................................461 Diagnostic Procedure ..............................................505
AX
Component Inspection.............................................465 DTC P1148, P1168 CLOSED LOOP CONTROL........509
DTC P1124, P1126 THROTTLE CONTROL On Board Diagnosis Logic.......................................509
MOTOR RELAY...........................................................466 DTC Confirmation Procedure ..................................509 SU
Component Description ...........................................466 Overall Function Check ...........................................510
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................510
Mode ........................................................................466 DTC P1211 ABS/TCS CONTROL UNIT .....................511 BR
On Board Diagnosis Logic.......................................466 Description ...............................................................511
DTC Confirmation Procedure ..................................466 On Board Diagnosis Logic.......................................511
Wiring Diagram ........................................................468 DTC Confirmation Procedure ..................................511
ST
Diagnostic Procedure ..............................................469 Diagnostic Procedure ..............................................512
Component Inspection.............................................471 DTC P1212 ABS/TCS COMMUNICATION LINE........513 RS
DTC P1128 THROTTLE CONTROL MOTOR.............472 Description ...............................................................513
Component Description ...........................................472 On Board Diagnosis Logic.......................................513
On Board Diagnosis Logic.......................................472 DTC Confirmation Procedure ..................................513 BT
DTC Confirmation Procedure ..................................472 Diagnostic Procedure ..............................................514
Wiring Diagram ........................................................473 DTC P1217 ENGINE OVER TEMPERATURE............515
Diagnostic Procedure ..............................................474 System Description..................................................515 HA
Component Inspection.............................................476 CONSULT-II Reference Value in Data Monitor
DTC P1143, P1163 HO2S1 .........................................477 Mode ........................................................................515
SC
Component Description ...........................................477 On Board Diagnosis Logic.......................................516
CONSULT-II Reference Value in Data Monitor Overall Function Check ...........................................517
Mode ........................................................................477 Wiring Diagram ........................................................519 EL
On Board Diagnosis Logic.......................................477 Diagnostic Procedure ..............................................521
DTC Confirmation Procedure ..................................478 Main 12 Causes of Overheating..............................532
Overall Function Check ...........................................479 DTC P1225 TP SENSOR ............................................533 IDX
Diagnostic Procedure ..............................................479 Component Description ...........................................533
DTC P1144, P1164 HO2S1 .........................................484 On Board Diagnosis Logic.......................................533
EC-5
CONTENTS (Cont'd)
DTC Confirmation Procedure ..................................533 DTC P1490 VACUUM CUT VALVE BYPASS
Diagnostic Procedure ..............................................534 VALVE..........................................................................592
DTC P1226 TP SENSOR ............................................535 Description ...............................................................592
Component Description ...........................................535 CONSULT-II Reference Value in Data Monitor
On Board Diagnosis Logic.......................................535 Mode ........................................................................592
DTC Confirmation Procedure ..................................535 On Board Diagnosis Logic.......................................592
Diagnostic Procedure ..............................................536 DTC Confirmation Procedure ..................................593
DTC P1229 SENSOR POWER SUPPLY....................537 Wiring Diagram ........................................................594
On Board Diagnosis Logic.......................................537 Diagnostic Procedure ..............................................595
DTC Confirmation Procedure ..................................537 DTC P1491 VACUUM CUT VALVE BYPASS
Wiring Diagram ........................................................539 VALVE..........................................................................598
Diagnostic Procedure ..............................................540 Description ...............................................................598
DTC P1444 EVAP CANISTER PURGE VOLUME CONSULT-II Reference Value in Data Monitor
CONTROL SOLENOID VALVE...................................543 Mode ........................................................................598
Description ...............................................................543 On Board Diagnosis Logic.......................................599
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................599
Mode ........................................................................543 Overall Function Check ...........................................600
On Board Diagnosis Logic.......................................544 Wiring Diagram ........................................................601
DTC Confirmation Procedure ..................................544 Diagnostic Procedure ..............................................602
Wiring Diagram ........................................................546 DTC P1564 ASCD STEERING SWITCH ....................610
Diagnostic Procedure ..............................................548 Component Description ...........................................610
DTC P1446 EVAP CANISTER VENT CONTROL CONSULT-II Reference Value in Data Monitor
VALVE..........................................................................556 Mode ........................................................................610
Component Description ...........................................556 On Board Diagnosis Procedure...............................610
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................610
Mode ........................................................................556 Wiring Diagram ........................................................612
On Board Diagnosis Logic.......................................556 Diagnostic Procedure ..............................................614
DTC Confirmation Procedure ..................................556 Component Inspection.............................................616
Wiring Diagram ........................................................558 DTC P1572 ASCD BRAKE SWITCH..........................617
Diagnostic Procedure ..............................................559 Component Description ...........................................617
DTC P1448 EVAP CANISTER VENT CONTROL CONSULT-II Reference Value in Data Monitor
VALVE..........................................................................564 Mode ........................................................................617
Component Description ...........................................564 On Board Diagnosis Procedure...............................617
CONSULT-II Reference Value in Data Monitor DTC Confirmation Procedure ..................................618
Mode ........................................................................564 Wiring Diagram ........................................................619
On Board Diagnosis Logic.......................................564 Diagnostic Procedure ..............................................621
DTC Confirmation Procedure ..................................564 Component Inspection.............................................626
Overall Function Check ...........................................566 DTC P1574 ASCD VEHICLE SPEED SENSOR.........627
Wiring Diagram ........................................................567 Component Description ...........................................627
Diagnostic Procedure ..............................................568 On Board Diagnosis Procedure...............................627
DTC P1456 EVAP CONTROL SYSTEM.....................573 DTC Confirmation Procedure ..................................627
On Board Diagnosis Logic.......................................573 Wiring Diagram ........................................................629
DTC Confirmation Procedure ..................................574 Diagnostic Procedure ..............................................630
Overall Function Check ...........................................575 DTC P1706 PNP SWITCH...........................................632
Diagnostic Procedure ..............................................576 Component Description ...........................................632
DTC P1464 FUEL LEVEL SENSOR...........................589 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................589 Mode ........................................................................632
On Board Diagnostic Logic......................................589 On Board Diagnosis Logic.......................................632
DTC Confirmation Procedure ..................................589 DTC Confirmation Procedure ..................................632
Wiring Diagram ........................................................590 Overall Function Check ...........................................633
Diagnostic Procedure ..............................................591 Wiring Diagram ........................................................634
Diagnostic Procedure ..............................................635
EC-6
CONTENTS (Cont'd)
DTC P1800 VIAS CONTROL SOLENOID VALVE .....638 Component Inspection.............................................674 GI
Component Description ...........................................638 VARIABLE INDUCTION AIR CONTROL SYSTEM
CONSULT-II Reference Value in Data Monitor (VIAS)...........................................................................676
Mode ........................................................................638 Description ...............................................................676 MA
On Board Diagnosis Logic.......................................638 Wiring Diagram ........................................................678
DTC Confirmation Procedure ..................................638 Diagnostic Procedure ..............................................679
Wiring Diagram ........................................................640 IGNITION SIGNAL.......................................................684
EM
Diagnostic Procedure ..............................................641 Component Description ...........................................684
DTC P1805 BRAKE SWITCH .....................................643 Wiring Diagram ........................................................685 LC
Description ...............................................................643 Diagnostic Procedure ..............................................688
CONSULT-II Reference Value in Data Monitor INJECTOR ...................................................................695
Mode ........................................................................643 Component Description ...........................................695
On Board Diagnosis Logic.......................................643 CONSULT-II Reference Value in Data Monitor
DTC Confirmation Procedure ..................................643 Mode ........................................................................695
Wiring Diagram ........................................................644 Wiring Diagram ........................................................696 FE
Diagnostic Procedure ..............................................645 Diagnostic Procedure ..............................................697
Component Inspection.............................................648 START SIGNAL...........................................................701 CL
DTC P2122, P2123 APP SENSOR .............................649 CONSULT-II Reference Value in Data Monitor
Component Description ...........................................649 Mode ........................................................................701
CONSULT-II Reference Value in Data Monitor Wiring Diagram ........................................................702 MT
Mode ........................................................................649 Diagnostic Procedure ..............................................703
On Board Diagnosis Logic.......................................649 FUEL PUMP.................................................................705
DTC Confirmation Procedure ..................................650 System Description..................................................705 AT
Wiring Diagram ........................................................651 Component Description ...........................................705
Diagnostic Procedure ..............................................652 CONSULT-II Reference Value in Data Monitor
AX
Component Inspection.............................................655 Mode ........................................................................705
DTC P2127, P2128 APP SENSOR .............................656 Wiring Diagram ........................................................706
Component Description ...........................................656 Diagnostic Procedure ..............................................707 SU
CONSULT-II Reference Value in Data Monitor ELECTRONIC CONTROLLED ENGINE MOUNT.......712
Mode ........................................................................656 System Description..................................................712
On Board Diagnosis Logic.......................................656 CONSULT-II Reference Value in Data Monitor BR
DTC Confirmation Procedure ..................................657 Mode ........................................................................712
Wiring Diagram ........................................................658 Wiring Diagram ........................................................713
Diagnostic Procedure ..............................................659 Diagnostic Procedure ..............................................714
ST
Component Inspection.............................................661 REFRIGERANT PRESSURE SENSOR ......................716
DTC P2135 TP SENSOR ............................................662 Description ...............................................................716 RS
Component Description ...........................................662 Wiring Diagram ........................................................717
CONSULT-II Reference Value in Data Monitor Diagnostic Procedure ..............................................718
Mode ........................................................................662 ASCD BRAKE SWITCH ..............................................720 BT
On Board Diagnosis Logic.......................................662 Component Description ...........................................720
DTC Confirmation Procedure ..................................663 CONSULT-II Reference Value in Data Monitor
Wiring Diagram ........................................................664 Mode ........................................................................720 HA
Diagnostic Procedure ..............................................665 Wiring Diagram ........................................................721
Component Inspection.............................................667 Diagnostic Procedure ..............................................723
SC
DTC P2138 APP SENSOR..........................................669 ASCD INDICATOR LAMP...........................................729
Component Description ...........................................669 Component Description ...........................................729
CONSULT-II Reference Value in Data Monitor CONSULT-II Reference Value in Data Monitor EL
Mode ........................................................................669 Mode ........................................................................729
On Board Diagnosis Logic.......................................669 Wiring Diagram ........................................................730
DTC Confirmation Procedure ..................................670 Diagnostic Procedure ..............................................731 IDX
Wiring Diagram ........................................................671 ELECTRICAL LOAD SIGNAL.....................................732
Diagnostic Procedure ..............................................672 Wiring Diagram ........................................................732
EC-7
CONTENTS (Cont'd)
Diagnostic Procedure ..............................................733 Fuel Pump ...............................................................737
DATA LINK CONNECTORS .......................................736 Injector .....................................................................737
Wiring Diagram ........................................................736 Calculated Load Value.............................................737
SERVICE DATA AND SPECIFICATIONS (SDS) .......737 Intake Air Temperature Sensor................................737
Fuel Pressure Regulator..........................................737 Heated Oxygen Sensor 2 Heater ............................738
Idle Speed and Ignition Timing................................737 Fuel Tank Temperature Sensor ...............................738
Mass Air Flow Sensor..............................................737 Throttle Control Motor..............................................738
Engine Coolant Temperature Sensor ......................737 Crankshaft Position Sensor (POS)..........................738
Heated Oxygen Sensor 1 Heater ............................737 Camshaft Position Sensor (PHASE) .......................738
EC-8
TROUBLE DIAGNOSIS -- INDEX
Alphabetical Index
Alphabetical Index NFEC0001
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000, GI
U1001. Refer to EC-163.
X: Applicable --: Not applicable
MA
DTC*1
Items (CONSULT-II screen terms) CONSULT-II Trip MIL lighting up Reference page
GST*2
ECM*3 EM
A/T 1ST GR FNCTN P0731 0731 2 X AT-137
A/T 2ND GR FNCTN P0732 0732 2 X AT-143
LC
A/T 3RD GR FNCTN P0733 0733 2 X AT-149
A/T 4TH GR FNCTN P0734 0734 2 X AT-163
A/T TCC S/V FNCTN P0744 0744 2 X AT-163
FE
ABSL PRES SEN/CIRC P0107 0107 2 X EC-201
ABSL PRES SEN/CIRC P0108 0108 2 X EC-201
CL
APP SEN 1/CIRC P2122 2122 1 X EC-649
APP SEN 1/CIRC P2123 2123 1 X EC-649
MT
APP SEN 2/CIRC P2127 2127 1 X EC-656
APP SEN 2/CIRC P2128 2128 1 X EC-656 AT
APP SENSOR P2138 2138 1 X EC-669
ASCD BRAKE SW P1572 1572 1 -- EC-617 AX
ASCD SW P1564 1564 1 -- EC-610
ASCD VHL SPD SEN P1574 1574 1 -- EC-627 SU
ATF TEMP SEN/CIRC P0710 0710 2 -- AT-115
BRAKE SW/CIRCUIT P1805 1805 2 -- EC-643 BR
CAN COMM CIRCUIT U1000 1000*5 1 X or -- EC-163
CAN COMM CIRCUIT U1001 1001*5 2 -- EC-163 ST
CKP SEN/CIRCUIT P0335 0335 2 X EC-315
CLOSED LOOP-B1 P1148 1148 1 X EC-509
RS
CLOSED LOOP-B2 P1168 1168 1 X EC-509
CMP SEN/CIRC-B1 P0340 0340 2 X EC-322
BT
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