Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 1999-2003 Approved Nissan Pathfinder 2000 EC
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EXIT
GI
ENGINE CONTROL SYSTEM
MA
SECTION EC EM
LC
FE
CONTENTS CL
TROUBLE DIAGNOSIS - INDEX ....................................8 Introduction ................................................................54
MT
Alphabetical & P No. Index for DTC ...........................8 Two Trip Detection Logic ...........................................54
PRECAUTIONS .............................................................14 Emission-related Diagnostic Information ...................55
Supplemental Restraint System (SRS) AIR Malfunction Indicator Lamp (MIL)..............................70 AT
BAG and SEAT BELT PRE-TENSIONER.............14 OBD System Operation Chart ...................................74
Precautions for On Board Diagnostic (OBD) CONSULT ..................................................................80
System of Engine and A/T.........................................14 Generic Scan Tool (GST) ..........................................93 TF
Engine Fuel & Emission Control System ..................15 TROUBLE DIAGNOSIS - INTRODUCTION..................95
Precautions ................................................................16 Introduction ................................................................95
Wiring Diagrams and Trouble Diagnosis...................17 Work Flow..................................................................97
PD
PREPARATION .............................................................18 TROUBLE DIAGNOSIS - BASIC INSPECTION ...........99
Special Service Tools ................................................18 Basic Inspection.........................................................99 AX
Commercial Service Tools .........................................18 TROUBLE DIAGNOSIS - GENERAL
ENGINE AND EMISSION CONTROL OVERALL DESCRIPTION .............................................................116
SYSTEM.........................................................................20 DTC Inspection Priority Chart..................................116 SU
Engine Control Component Parts Location...............20 Fail-safe Chart .........................................................117
Circuit Diagram ..........................................................22 Symptom Matrix Chart.............................................118
System Diagram ........................................................23 CONSULT Reference Value in Data Monitor BR
Vacuum Hose Drawing ..............................................24 Mode ........................................................................122
System Chart .............................................................25 Major Sensor Reference Graph in Data Monitor ST
ENGINE AND EMISSION BASIC CONTROL Mode ........................................................................124
SYSTEM DESCRIPTION ...............................................26 ECM Terminals and Reference Value .....................127
Multiport Fuel Injection (MFI) System .......................26 TROUBLE DIAGNOSIS FOR INTERMITTENT RS
Distributor Ignition (DI) System .................................28 INCIDENT.....................................................................136
Air Conditioning Cut Control......................................29 Description ...............................................................136
Fuel Cut Control (at no load & high engine Diagnostic Procedure ..............................................136 BT
speed) ........................................................................30 TROUBLE DIAGNOSIS FOR POWER SUPPLY........137
Evaporative Emission System ...................................30 Main Power Supply and Ground Circuit..................137
Positive Crankcase Ventilation ..................................36 DTC P0100 MASS AIR FLOW SENSOR (MAFS)......146
HA
BASIC SERVICE PROCEDURE ...................................37 Component Description ...........................................146
Fuel Pressure Release ..............................................37 CONSULT Reference Value in Data Monitor SC
Fuel Pressure Check .................................................37 Mode ........................................................................146
Fuel Pressure Regulator Check ................................38 ECM Terminals and Reference Value .....................146
Injector .......................................................................38 On Board Diagnosis Logic.......................................147 EL
Fast Idle Cam (FIC)...................................................39 DTC Confirmation Procedure ..................................147
Idle Speed/Ignition Timing/Idle Mixture Ratio Wiring Diagram ........................................................151
Adjustment .................................................................41 Diagnostic Procedure ..............................................152
IDX
ON BOARD DIAGNOSTIC SYSTEM Component Inspection.............................................155
DESCRIPTION ...............................................................54 DTC P0105 ABSOLUTE PRESSURE SENSOR ........156
EXIT
CONTENTS (Cont'd)
Component Description ...........................................156 Component Inspection.............................................207
On Board Diagnosis Logic.......................................156 DTC P0131 (RIGHT, -B1), P0151 (LEFT, -B2)
DTC Confirmation Procedure ..................................156 FRONT HO2S (LEAN SHIFT MONITORING).............209
Overall Function Check ...........................................158 Component Description ...........................................209
Wiring Diagram ........................................................159 CONSULT Reference Value in Data Monitor
Diagnostic Procedure ..............................................160 Mode ........................................................................209
Component Inspection.............................................166 ECM Terminals and Reference Value .....................209
DTC P0110 INTAKE AIR TEMPERATURE On Board Diagnosis Logic.......................................210
SENSOR ......................................................................168 DTC Confirmation Procedure ..................................210
Component Description ...........................................168 Overall Function Check ...........................................211
On Board Diagnosis Logic.......................................168 Diagnostic Procedure ..............................................212
DTC Confirmation Procedure ..................................168 Component Inspection.............................................214
Wiring Diagram ........................................................171 DTC P0132 (RIGHT, -B1), P0152 (LEFT, -B2)
Diagnostic Procedure ..............................................172 FRONT HO2S (RICH SHIFT MONITORING)..............216
Component Inspection.............................................174 Component Description ...........................................216
DTC P0115 ENGINE COOLANT TEMPERATURE CONSULT Reference Value in Data Monitor
SENSOR (ECTS) (CIRCUIT) .......................................175 Mode ........................................................................216
Component Description ...........................................175 ECM Terminals and Reference Value .....................216
On Board Diagnosis Logic.......................................175 On Board Diagnosis Logic.......................................217
DTC Confirmation Procedure ..................................176 DTC Confirmation Procedure ..................................217
Wiring Diagram ........................................................177 Overall Function Check ...........................................218
Diagnostic Procedure ..............................................178 Diagnostic Procedure ..............................................219
Component Inspection.............................................180 Component Inspection.............................................222
DTC P0120 THROTTLE POSITION SENSOR ...........181 DTC P0133 (RIGHT, -B1), P0153 (LEFT, -B2)
Description ...............................................................181 FRONT HO2S (RESPONSE MONITORING) ..............224
CONSULT Reference Value in Data Monitor Component Description ...........................................224
Mode ........................................................................181 CONSULT Reference Value in Data Monitor
ECM Terminals and Reference Value .....................182 Mode ........................................................................224
On Board Diagnosis Logic.......................................182 ECM Terminals and Reference Value .....................224
DTC Confirmation Procedure ..................................183 On Board Diagnosis Logic.......................................225
Wiring Diagram ........................................................187 DTC Confirmation Procedure ..................................225
Diagnostic Procedure ..............................................188 Overall Function Check ...........................................226
Component Inspection.............................................192 Wiring Diagram ........................................................227
DTC P0125 ENGINE COOLANT TEMPERATURE Diagnostic Procedure ..............................................229
(ECT) SENSOR............................................................194 Component Inspection.............................................233
Description ...............................................................194 DTC P0134 (RIGHT, -B1), P0154 (LEFT, -B2)
On Board Diagnosis Logic.......................................194 FRONT HO2S (HIGH VOLTAGE) ...............................235
DTC Confirmation Procedure ..................................195 Component Description ...........................................235
Wiring Diagram ........................................................196 CONSULT Reference Value in Data Monitor
Diagnostic Procedure ..............................................197 Mode ........................................................................235
Component Inspection.............................................199 ECM Terminals and Reference Value .....................235
DTC P0130 (RIGHT, -B1), P0150 (LEFT, -B2) On Board Diagnosis Logic.......................................236
FRONT HO2S (CIRCUIT) ............................................200 DTC Confirmation Procedure ..................................236
Component Description ...........................................200 Wiring Diagram ........................................................238
CONSULT Reference Value in Data Monitor Diagnostic Procedure ..............................................240
Mode ........................................................................200 Component Inspection.............................................242
ECM Terminals and Reference Value .....................200 DTC P0135 (RIGHT, -B1), P0155 (LEFT, -B2)
On Board Diagnosis Logic.......................................201 FRONT HO2S HEATER ..............................................244
DTC Confirmation Procedure ..................................201 Description ...............................................................244
Overall Function Check ...........................................202 CONSULT Reference Value in Data Monitor
Wiring Diagram ........................................................203 Mode ........................................................................244
Diagnostic Procedure ..............................................205 ECM Terminals and Reference Value .....................244
EC-2
EXIT
CONTENTS (Cont'd) GI
On Board Diagnosis Logic.......................................244 Component Inspection.............................................289
DTC Confirmation Procedure ..................................245 DTC P0141 (RIGHT, -B1), P0161 (LEFT, -B2) MA
Wiring Diagram ........................................................246 REAR HO2S HEATER ................................................290
Diagnostic Procedure ..............................................248 Description ...............................................................290
Component Inspection.............................................249 CONSULT Reference Value in Data Monitor EM
DTC P0137 (RIGHT, -B1), P0157 (LEFT, -B2) Mode ........................................................................290
REAR HO2S (MIN. VOLTAGE MONITORING) ..........251 ECM Terminals and Reference Value .....................290
Component Description ...........................................251 On Board Diagnosis Logic.......................................291
LC
CONSULT Reference Value in Data Monitor DTC Confirmation Procedure ..................................291
Mode ........................................................................251 Wiring Diagram ........................................................292
ECM Terminals and Reference Value .....................251 Diagnostic Procedure ..............................................294
On Board Diagnosis Logic.......................................251 Component Inspection.............................................296
DTC Confirmation Procedure ..................................252 DTC P0171 (RIGHT, -B1), P0174 (LEFT, -B2) FE
Overall Function Check ...........................................253 FUEL INJECTION SYSTEM FUNCTION (LEAN).......297
Wiring Diagram ........................................................255 On Board Diagnosis Logic.......................................297
Diagnostic Procedure ..............................................257 DTC Confirmation Procedure ..................................297
CL
Component Inspection.............................................260 Wiring Diagram ........................................................299
DTC P0138 (RIGHT, -B1), P0158 (LEFT, -B2) Diagnostic Procedure ..............................................301 MT
REAR HO2S (MAX. VOLTAGE MONITORING).........261 DTC P0172 (RIGHT, -B1), P0175 (LEFT, -B2)
Component Description ...........................................261 FUEL INJECTION SYSTEM FUNCTION (RICH)........306
CONSULT Reference Value in Data Monitor On Board Diagnosis Logic.......................................306 AT
Mode ........................................................................261 DTC Confirmation Procedure ..................................306
ECM Terminals and Reference Value .....................261 Wiring Diagram ........................................................308
On Board Diagnosis Logic.......................................261 Diagnostic Procedure ..............................................310 TF
DTC Confirmation Procedure ..................................262 DTC P0180 FUEL TANK TEMPERATURE
Overall Function Check ...........................................263 SENSOR ......................................................................314
PD
Wiring Diagram ........................................................265 Component Description ...........................................314
Diagnostic Procedure ..............................................267 On Board Diagnosis Logic.......................................314
Component Inspection.............................................270 DTC Confirmation Procedure ..................................314 AX
DTC P0139 (RIGHT, -B1), P0159 (LEFT, -B2) Wiring Diagram ........................................................317
REAR HO2S (RESPONSE MONITORING) ................271 Diagnostic Procedure ..............................................318
Component Description ...........................................271 Component Inspection.............................................319 SU
CONSULT Reference Value in Data Monitor DTC P0300 - P0306 NO. 6 - 1 CYLINDER
Mode ........................................................................271 MISFIRE, MULTIPLE CYLINDER MISFIRE ...............320
ECM Terminals and Reference Value .....................271 On Board Diagnosis Logic.......................................320
BR
On Board Diagnosis Logic.......................................271 DTC Confirmation Procedure ..................................320
DTC Confirmation Procedure ..................................272 Diagnostic Procedure ..............................................321 ST
Overall Function Check ...........................................273 Component Inspection.............................................326
Wiring Diagram ........................................................275 DTC P0325 KNOCK SENSOR (KS) ...........................327
Diagnostic Procedure ..............................................277 Component Description ...........................................327 RS
Component Inspection.............................................280 ECM Terminals and Reference Value .....................327
DTC P0140 (RIGHT, -B1), P0160 (LEFT, -B2) On Board Diagnosis Logic.......................................327
REAR HO2S (HIGH VOLTAGE) .................................281 DTC Confirmation Procedure ..................................327 BT
Component Description ...........................................281 Wiring Diagram ........................................................329
CONSULT Reference Value in Data Monitor Diagnostic Procedure ..............................................330 HA
Mode ........................................................................281 Component Inspection.............................................332
ECM Terminals and Reference Value .....................281 DTC P0335 CRANKSHAFT POSITION SENSOR
On Board Diagnosis Logic.......................................281 (CKPS) (OBD)..............................................................333 SC
DTC Confirmation Procedure ..................................282 Component Description ...........................................333
Overall Function Check ...........................................282 ECM Terminals and Reference Value .....................333
Wiring Diagram ........................................................284 On Board Diagnosis Logic.......................................334 EL
Diagnostic Procedure ..............................................286 DTC Confirmation Procedure ..................................334
IDX
EC-3
EXIT
CONTENTS (Cont'd)
Wiring Diagram ........................................................335 CONSULT Reference Value in Data Monitor
Diagnostic Procedure ..............................................336 Mode ........................................................................384
Component Inspection.............................................338 ECM Terminals and Reference Value .....................384
DTC P0340 CAMSHAFT POSITION SENSOR On Board Diagnosis Logic.......................................384
(CMPS).........................................................................339 DTC Confirmation Procedure ..................................385
Component Description ...........................................339 Wiring Diagram ........................................................386
ECM Terminals and Reference Value .....................339 Diagnostic Procedure ..............................................387
On Board Diagnosis Logic.......................................340 Component Inspection.............................................389
DTC Confirmation Procedure ..................................340 DTC P0450 EVAPORATIVE EMISSION (EVAP)
Wiring Diagram ........................................................342 CONTROL SYSTEM PRESSURE SENSOR ..............391
Diagnostic Procedure ..............................................343 Component Description ...........................................391
Component Inspection.............................................345 CONSULT Reference Value in Data Monitor
DTC P0400 EGR FUNCTION (CLOSE)......................347 Mode ........................................................................391
Description ...............................................................347 ECM Terminals and Reference Value .....................391
On Board Diagnosis Logic.......................................348 On Board Diagnosis Logic.......................................392
DTC Confirmation Procedure ..................................349 DTC Confirmation Procedure ..................................392
Overall Function Check ...........................................350 Wiring Diagram ........................................................394
Wiring Diagram ........................................................351 Diagnostic Procedure ..............................................395
Diagnostic Procedure ..............................................352 Component Inspection.............................................399
Component Inspection.............................................357 DTC P0455 EVAP CONTROL SYSTEM (GROSS
DTC P0402 EGRC-BPT VALVE FUNCTION..............358 LEAK)...........................................................................401
Description ...............................................................358 On Board Diagnosis Logic.......................................401
On Board Diagnosis Logic.......................................358 DTC Confirmation Procedure ..................................402
DTC Confirmation Procedure ..................................359 Diagnostic Procedure ..............................................404
Overall Function Check ...........................................360 DTC P0500 VEHICLE SPEED SENSOR (VSS) .........411
Diagnostic Procedure ..............................................360 Component Description ...........................................411
Component Inspection.............................................362 ECM Terminals and Reference Value .....................411
DTC P0420 (RIGHT BANK, -B1), P0430 (LEFT On Board Diagnosis Logic.......................................411
BANK, -B2) THREE WAY CATALYST FUNCTION...363 DTC Confirmation Procedure ..................................411
On Board Diagnosis Logic.......................................363 Overall Function Check ...........................................413
DTC Confirmation Procedure ..................................363 Wiring Diagram ........................................................414
Overall Function Check ...........................................364 Diagnostic Procedure ..............................................415
Diagnostic Procedure ..............................................364 DTC P0505 IDLE AIR CONTROL VALVE (IACV) -
DTC P0440 EVAP CONTROL SYSTEM (SMALL AUXILIARY AIR CONTROL (AAC) VALVE ...............416
LEAK) (NEGATIVE PRESSURE)................................367 Description ...............................................................416
On Board Diagnosis Logic.......................................367 CONSULT Reference Value in Data Monitor
DTC Confirmation Procedure ..................................368 Mode ........................................................................417
Diagnostic Procedure ..............................................369 ECM Terminals and Reference Value .....................417
DTC P0443 EVAP CANISTER PURGE VOLUME On Board Diagnosis Logic.......................................417
CONTROL SOLENOID VALVE...................................377 DTC Confirmation Procedure ..................................418
Description ...............................................................377 Wiring Diagram ........................................................420
CONSULT Reference Value in Data Monitor Diagnostic Procedure ..............................................421
Mode ........................................................................377 Component Inspection.............................................422
ECM Terminals and Reference Value .....................378 DTC P0510 CLOSED THROTTLE POSITION
On Board Diagnosis Logic.......................................378 SWITCH .......................................................................424
DTC Confirmation Procedure ..................................379 Component Description ...........................................424
Wiring Diagram ........................................................380 CONSULT Reference Value in Data Monitor
Diagnostic Procedure ..............................................381 Mode ........................................................................424
Component Inspection.............................................383 ECM Terminals and Reference Value .....................424
DTC P0446 EVAPORATIVE EMISSION (EVAP) On Board Diagnosis Logic.......................................424
CANISTER VENT CONTROL VALVE.........................384 DTC Confirmation Procedure ..................................425
Component Description ...........................................384 Overall Function Check ...........................................425
EC-4
EXIT
CONTENTS (Cont'd) GI
Wiring Diagram ........................................................426 CONSULT Reference Value in Data Monitor
Diagnostic Procedure ..............................................427 Mode ........................................................................467 MA
Component Inspection.............................................429 ECM Terminals and Reference Value .....................467
DTC P0600 A/T CONTROL.........................................431 On Board Diagnosis Logic.......................................467
System Description..................................................431 DTC Confirmation Procedure ..................................467 EM
ECM Terminals and Reference Value .....................431 Wiring Diagram ........................................................469
On Board Diagnosis Logic.......................................431 Diagnostic Procedure ..............................................470
DTC Confirmation Procedure ..................................431 Component Inspection.............................................471
LC
Overall Function Check ...........................................432 DTC P1401 EGR TEMPERATURE SENSOR.............472
Wiring Diagram ........................................................433 Component Description ...........................................472
Diagnostic Procedure ..............................................434 On Board Diagnosis Logic.......................................472
DTC P0605 ECM .........................................................436 DTC Confirmation Procedure ..................................473
Component Description ...........................................436 Overall Function Check ...........................................474 FE
On Board Diagnosis Logic.......................................436 Wiring Diagram ........................................................475
DTC Confirmation Procedure ..................................436 Diagnostic Procedure ..............................................476
Diagnostic Procedure ..............................................437 Component Inspection.............................................477
CL
DTC P1105 MAP/BARO SWITCH SOLENOID DTC P1402 EGR FUNCTION (OPEN) ........................478
VALVE..........................................................................438 Description ...............................................................478 MT
Description ...............................................................438 On Board Diagnosis Logic.......................................479
CONSULT Reference Value in Data Monitor DTC Confirmation Procedure ..................................479
Mode ........................................................................438 Wiring Diagram ........................................................481 AT
ECM Terminals and Reference Value .....................439 Diagnostic Procedure ..............................................482
On Board Diagnosis Logic.......................................439 Component Inspection.............................................485
DTC Confirmation Procedure ..................................439 DTC P1440 EVAP CONTROL SYSTEM (SMALL TF
Wiring Diagram ........................................................442 LEAK) (POSITIVE PRESSURE) .................................486
Diagnostic Procedure ..............................................443 On Board Diagnosis Logic.......................................486
PD
Component Inspection.............................................450 DTC Confirmation Procedure ..................................487
DTC P1148 (RIGHT BANK, -B1), P1168 (LEFT Diagnostic Procedure ..............................................488
BANK, -B2) CLOSED LOOP CONTROL ...................452 DTC P1444 EVAP CANISTER PURGE VOLUME AX
On Board Diagnosis Logic.......................................452 CONTROL SOLENOID VALVE...................................496
DTC Confirmation Procedure ..................................452 Description ...............................................................496
Overall Function Check ...........................................453 CONSULT Reference Value in Data Monitor SU
Diagnostic Procedure ..............................................453 Mode ........................................................................496
DTC P1320 IGNITION SIGNAL...................................454 ECM Terminals and Reference Value .....................497
Component Description ...........................................454 On Board Diagnosis Logic.......................................497
BR
ECM Terminals and Reference Value .....................454 DTC Confirmation Procedure ..................................498
On Board Diagnosis Logic.......................................455 Wiring Diagram ........................................................499 ST
DTC Confirmation Procedure ..................................455 Diagnostic Procedure ..............................................500
Wiring Diagram ........................................................456 Component Inspection.............................................503
Diagnostic Procedure ..............................................457 DTC P1446 EVAPORATIVE EMISSION (EVAP) RS
Component Inspection.............................................460 CANISTER VENT CONTROL VALVE (CLOSE).........504
DTC P1336 CRANKSHAFT POSITION SENSOR Component Description ...........................................504
(CKPS) (OBD) (COG)..................................................461 CONSULT Reference Value in Data Monitor BT
Component Description ...........................................461 Mode ........................................................................504
ECM Terminals and Reference Value .....................461 ECM Terminals and Reference Value .....................504 HA
On Board Diagnosis Logic.......................................462 On Board Diagnosis Logic.......................................504
DTC Confirmation Procedure ..................................462 DTC Confirmation Procedure ..................................505
Wiring Diagram ........................................................463 Wiring Diagram ........................................................506 SC
Diagnostic Procedure ..............................................464 Diagnostic Procedure ..............................................507
Component Inspection.............................................466 Component Inspection.............................................509
DTC P1400 EGRC-SOLENOID VALVE ......................467 EL
Component Description ...........................................467
IDX
EC-5
EXIT
CONTENTS (Cont'd)
DTC P1447 EVAPORATIVE EMISSION (EVAP) Component Description ...........................................545
CONTROL SYSTEM PURGE FLOW CONSULT Reference Value in Data Monitor
MONITORING ..............................................................510 Mode ........................................................................545
System Description..................................................510 ECM Terminals and Reference Value .....................545
On Board Diagnosis Logic.......................................510 On Board Diagnosis Logic.......................................545
DTC Confirmation Procedure ..................................511 DTC Confirmation Procedure ..................................545
Overall Function Check ...........................................511 Overall Function Check ...........................................547
Diagnostic Procedure ..............................................512 Wiring Diagram ........................................................548
DTC P1448 EVAPORATIVE EMISSION (EVAP) Diagnostic Procedure For A/T Models ....................549
CANISTER VENT CONTROL VALVE (OPEN)...........518 Diagnostic Procedure For M/T Models....................551
Component Description ...........................................518 INJECTOR ...................................................................553
CONSULT Reference Value in Data Monitor Component Description ...........................................553
Mode ........................................................................518 CONSULT Reference Value in Data Monitor
ECM Terminals and Reference Value .....................518 Mode ........................................................................553
On Board Diagnosis Logic.......................................518 ECM Terminals and Reference Value .....................553
DTC Confirmation Procedure ..................................519 Wiring Diagram ........................................................555
Overall Function Check ...........................................520 Diagnostic Procedure ..............................................556
Wiring Diagram ........................................................521 Component Inspection.............................................561
Diagnostic Procedure ..............................................522 START SIGNAL...........................................................562
Component Inspection.............................................524 CONSULT Reference Value in Data Monitor
DTC P1490 VACUUM CUT VALVE BYPASS Mode ........................................................................562
VALVE (CIRCUIT)........................................................525 ECM Terminals and Reference Value .....................562
Description ...............................................................525 Wiring Diagram ........................................................563
CONSULT Reference Value in Data Monitor Diagnostic Procedure ..............................................564
Mode ........................................................................525 FUEL PUMP.................................................................568
ECM Terminals and Reference Value .....................525 System Description..................................................568
On Board Diagnosis Logic.......................................526 Component Description ...........................................568
DTC Confirmation Procedure ..................................526 CONSULT Reference Value in Data Monitor
Wiring Diagram ........................................................527 Mode ........................................................................568
Diagnostic Procedure ..............................................528 ECM Terminals and Reference Value .....................569
Component Inspection.............................................531 Wiring Diagram ........................................................570
DTC P1491 VACUUM CUT VALVE BYPASS Diagnostic Procedure ..............................................571
VALVE..........................................................................532 Component Inspection.............................................574
Description ...............................................................532 POWER STEERING OIL PRESSURE SWITCH.........575
CONSULT Reference Value in Data Monitor Component Description ...........................................575
Mode ........................................................................532 CONSULT Reference Value in Data Monitor
ECM Terminals and Reference Value .....................532 Mode ........................................................................575
On Board Diagnosis Logic.......................................533 ECM Terminals and Reference Value .....................575
DTC Confirmation Procedure ..................................533 Wiring Diagram ........................................................576
Overall Function Check ...........................................534 Diagnostic Procedure ..............................................577
Wiring Diagram ........................................................535 Component Inspection.............................................579
Diagnostic Procedure ..............................................536 IACV-FICD SOLENOID VALVE...................................581
Component Inspection.............................................539 Component Description ...........................................581
DTC P1605 A/T DIAGNOSIS COMMUNICATION ECM Terminals and Reference Value .....................581
LINE .............................................................................540 Wiring Diagram ........................................................582
Component Description ...........................................540 Diagnostic Procedure ..............................................583
ECM Terminals and Reference Value .....................540 Component Inspection.............................................586
On Board Diagnosis Logic.......................................540 MIL & DATA LINK CONNECTORS ............................587
DTC Confirmation Procedure ..................................540 Wiring Diagram ........................................................587
Wiring Diagram ........................................................542 SERVICE DATA AND SPECIFICATIONS (SDS) .......588
Diagnostic Procedure ..............................................543 Fuel Pressure Regulator..........................................588
DTC P1706 PARK/NEUTRAL POSITION SWITCH ...545 Idle Speed and Ignition Timing................................588
EC-6
EXIT
CONTENTS (Cont'd) GI
Ignition Coil ..............................................................588 Resistor....................................................................589
Mass Air Flow Sensor..............................................588 Throttle Position Sensor ..........................................589 MA
Engine Coolant Temperature Sensor ......................588 Calculated Load Value.............................................589
EGR Temperature Sensor .......................................588 Intake Air Temperature Sensor................................589
Front Heated Oxygen Sensor Heater......................588 Rear Heated Oxygen Sensor Heater ......................589 EM
Fuel Pump ...............................................................589 Crankshaft Position Sensor (OBD)..........................589
IACV-AAC Valve ......................................................589 Fuel Tank Temperature Sensor ...............................589
Injector .....................................................................589
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
EC-7
EXIT
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC
Alphabetical & P No. Index for DTC NAEC0001
ALPHABETICAL INDEX FOR DTC NAEC0001S01
DTC*6
Items
CONSULT Reference page
(CONSULT screen terms) ECM*1
GST*2
Unable to access ECM -- -- EC-117
ABSL PRES SEN/CIRC 0803 P0105 EC-156
AIR TEMP SEN/CIRC 0401 P0110 EC-168
A/T 1ST GR FNCTN 1103 P0731 AT-120
A/T 2ND GR FNCTN 1104 P0732 AT-126
A/T 3RD GR FNCTN 1105 P0733 AT-132
A/T 4TH GR FNCTN 1106 P0734 AT-138
A/T COMM LINE -- P0600 EC-431
A/T DIAG COMM LINE 0804 P1605 EC-540
A/T TCC S/V FNCTN 1107 P0744 AT-153
ATF TEMP SEN/CIRC 1208 P0710 AT-105
CAM POS SEN/CIRC 0101 P0340 EC-339
CLOSED LOOP-B1 0307 P1148 EC-452
CLOSED LOOP-B2 0308 P1168 EC-452
CLOSED TP SW/CIRC 0203 P0510 EC-424
COOLANT T SEN/CIRC*3 0103 P0115 EC-175
*COOLANT T SEN/CIRC 0908 P0125 EC-194
CPS/CIRC (OBD) COG 0905 P1336 EC-461
CPS/CIRCUIT (OBD) 0802 P0335 EC-333
CYL 1 MISFIRE 0608 P0301 EC-320
CYL 2 MISFIRE 0607 P0302 EC-320
CYL 3 MISFIRE 0606 P0303 EC-320
CYL 4 MISFIRE 0605 P0304 EC-320
CYL 5 MISFIRE 0604 P0305 EC-320
CYL 6 MISFIRE 0603 P0306 EC-320
ECM 0301 P0605 EC-436
EGR SYSTEM 0302 P0400 EC-347
EGR SYSTEM 0514 P1402 EC-478
EGR TEMP SEN/CIRC 0305 P1401 EC-472
EGRC SOLENOID/V 1005 P1400 EC-467
EGRC-BPT VALVE 0306 P0402 EC-358
ENGINE SPEED SIG*4 1207 P0725 AT-115
EVAP GROSS LEAK 0715 P0455 EC-401
EVAP PURG FLOW/MON 0111 P1447 EC-510
EC-8
EXIT
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC (Cont'd)
DTC*6 GI
Items
CONSULT Reference page
(CONSULT screen terms) ECM*1
GST*2 MA
EVAP SYS PRES SEN 0704 P0450 EC-391
EVAP SMALL LEAK 0705 P0440 EC-367 EM
EVAP SMALL LEAK 0213 P1440 EC-486
FR O2 SE HEATER-B1 0901 P0135 EC-244 LC
FR O2 SE HEATER-B2 1001 P0155 EC-244
FRONT O2 SENSOR-B1 0503 P0130 EC-200
FRONT O2 SENSOR-B1 0415 P0131 EC-209
FRONT O2 SENSOR-B1 0414 P0132 EC-216
FE
FRONT O2 SENSOR-B1 0413 P0133 EC-224
FRONT O2 SENSOR-B1 0509 P0134 EC-235
CL
FRONT O2 SENSOR-B2 0303 P0150 EC-200
MT
FRONT O2 SENSOR-B2 0411 P0151 EC-209
FRONT O2 SENSOR-B2 0410 P0152 EC-216
AT
FRONT O2 SENSOR-B2 0409 P0153 EC-224
FRONT O2 SENSOR-B2 0412 P0154 EC-235
TF
FUEL SYS LEAN/BK1 0115 P0171 EC-297
FUEL SYS LEAN/BK2 0210 P0174 EC-297
PD
FUEL SYS RICH/BK1 0114 P0172 EC-306
FUEL SYS RICH/BK2 0209 P0175 EC-306 AX
FUEL TEMP SEN/CIRC 0402 P0180 EC-314
IACV/AAC VLV/CIRC 0205 P0505 EC-416 SU
IGN SIGNAL-PRIMARY 0201 P1320 EC-454
KNOCK SENSOR 0304 P0325 EC-327 BR
L/PRES SOL/CIRC 1205 P0745 AT-162
MAP/BARO SW SOL/CIRC 1302 P1105 EC-438 ST
MAF SEN/CIRCUIT*3 0102 P0100 EC-146
MULTI CYL MISFIRE 0701 P0300 EC-320 RS
NATS MALFUNCTION -- -- EC-74 or EL-282
NO SELF DIAGNOSTIC FAILURE INDICATED 0505 P0000 --
BT
NO SELF DIAGNOSTIC FAILURE INDICATED Flashing*5 No DTC EC-71
HA
OVER HEAT 0208 -- LC-17
O/L CLTCH S/CIRC 1203 P1760 AT-188
SC
P-N POS SW/CIRCUIT 1003 P1706 EC-545
PNP SW/CIRC 1101 P0705 AT-99
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