Nissan Pathfinder. Manual — part 424
EC-2
AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Description . . . . . . . . . ...
COOLING FAN CONTROL . . . . . . . . . ...
COOLING FAN CONTROL : System Description ...
ELECTRONIC CONTROLLED ENGINE MOUNT ....
ELECTRONIC CONTROLLED ENGINE MOUNT
: System Description . . . . . . . . . . . ...
EVAPORATIVE EMISSION SYSTEM . . . . . ...
EVAPORATIVE EMISSION SYSTEM : System
Description . . . . . . . . . . . . . . . ..
THROTTLE CONTROL . . . . . . . . . . . .
THROTTLE CONTROL : System Description . ....
INTAKE VALVE TIMING CONTROL . . . . . ....
INTAKE VALVE TIMING CONTROL : System De-
scription . . . . . . . . . . . . . . . . ..
ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE . . . . . . . . . . . ..
ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE : System Description . . .
FUEL FILLER CAP WARNING SYSTEM . . . . .
FUEL FILLER CAP WARNING SYSTEM : System
Description . . . . . . . . . . . . . . . ..
VARIABLE INDUCTION AIR SYSTEM . . . . ....
VARIABLE INDUCTION AIR SYSTEM : System
Description . . . . . . . . . . . . . . . ..
INTEGRATED CONTROL OF ENGINE, CVT, AND
ABS . . . . . . . . . . . . . . . . . . ...
INTEGRATED CONTROL OF ENGINE, CVT,
AND ABS : System Description . . . . . . . ..
CAN COMMUNICATION . . . . . . . . . . ...
CAN COMMUNICATION : System Description . ..
OPERATION . . . . . . . . . . . . . ..
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...
AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : Switch Name and Function . . . . . . ...
ON BOARD DIAGNOSTIC (OBD) SYSTEM . .
Diagnosis Description . . . . . . . . . . . .
GST (Generic Scan Tool) . . . . . . . . . ...
DIAGNOSIS SYSTEM (ECM) . . . . . . .
DIAGNOSIS DESCRIPTION . . . . . . . . . .
DIAGNOSIS DESCRIPTION : 1st Trip Detection
Logic and Two Trip Detection Logic . . . . . ...
DIAGNOSIS DESCRIPTION : DTC and Freeze
Frame Data . . . . . . . . . . . . . . . .
DIAGNOSIS DESCRIPTION : Counter System . .
DIAGNOSIS DESCRIPTION : Driving Pattern . ...
DIAGNOSIS DESCRIPTION : System Readiness
Test (SRT) Code . . . . . . . . . . . . ....
DIAGNOSIS DESCRIPTION : Permanent Diag-
nostic Trouble Code (Permanent DTC) . . . . ..
DIAGNOSIS DESCRIPTION : Malfunction Indica-
tor Lamp (MIL) . . . . . . . . . . . . . .
On Board Diagnosis Function . . . . . . . . .
CONSULT Function . . . . . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . .
ECM . . . . . . . . . . . . . . . . ...
Reference Value . . . . . . . . . . . . . .
Fail-safe . . . . . . . . . . . . . . . . ..
DTC Inspection Priority Chart . . . . . . . ...
DTC Index . . . . . . . . . . . . . . . ..
Test Value and Test Limit . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . ...
ENGINE CONTROL SYSTEM . . . . . . ..
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . .
Work Flow . . . . . . . . . . . . . . . .
Diagnostic Work Sheet . . . . . . . . . . .
SERVICE AFTER REPLACING OR REMOV-
ING ENGINE PARTS . . . . . . . . . .
Description . . . . . . . . . . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
ECM . . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
ACCELERATOR PEDAL RELEASED POSI-
TION LEARNING . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
THROTTLE VALVE CLOSED POSITION
LEARNING . . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
IDLE AIR VOLUME LEARNING . . . . . ...
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
VIN REGISTRATION . . . . . . . . . .
Description . . . . . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . . .
EC-3
C
D
E
F
G
H
I
J
K
L
M
EC
A
N
O
P
FUEL PRESSURE . . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
HOW TO SET SRT CODE . . . . . . . .
Description . . . . . . . . . . . . . . .
SRT Set Driving Pattern . . . . . . . . . .
Work Procedure . . . . . . . . . . . . .
HOW TO ERASE PERMANENT DTC . . . ..
Description . . . . . . . . . . . . . . .
Work Procedure (Group A) . . . . . . . . ...
Work Procedure (Group B) . . . . . . . . ...
DTC/CIRCUIT DIAGNOSIS . . . . . ...
TROUBLE DIAGNOSIS - SPECIFICATION
VALUE . . . . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
POWER SUPPLY AND GROUND CIRCUIT .
Diagnosis Procedure . . . . . . . . . . . .
U0101 CAN COMM CIRCUIT . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
U1001 CAN COMM CIRCUIT . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0011, P0021 IVT CONTROL . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0037, P0038, P0057, P0058 HO2S2 HEAT-
ER . . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0075, P0081 IVT CONTROL SOLENOID
VALVE . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0101 MAF SENSOR . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0102, P0103 MAF SENSOR . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0111 IAT SENSOR . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0112, P0113 IAT SENSOR . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0116 ECT SENSOR . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0117, P0118 ECT SENSOR . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0122, P0123 TP SENSOR . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0125 ECT SENSOR . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0127 IAT SENSOR . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0128 THERMOSTAT FUNCTION . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0130, P0150 A/F SENSOR 1 . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0131, P0151 A/F SENSOR 1 . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0132, P0152 A/F SENSOR 1 . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0137, P0157 HO2S2 . . . . . . . . . .
EC-4
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0138, P0158 HO2S2 . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0139, P0159 HO2S2 . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P014C, P014D, P014E, P014F, P015A,
P015B, P015C, P015D A/F SENSOR 1 . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0181 FTT SENSOR . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0182, P0183 FTT SENSOR . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0196 EOT SENSOR . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0197, P0198 EOT SENSOR . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0222, P0223 TP SENSOR . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0300, P0301, P0302, P0303, P0304, P0305,
P0306 MISFIRE . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0327, P0328, P0332, P0333 KS . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0335 CKP SENSOR (POS) . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0340, P0345 CMP SENSOR (PHASE) . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0420, P0430 THREE WAY CATALYST
FUNCTION . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0441 EVAP CONTROL SYSTEM . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0444, P0445 EVAP CANISTER PURGE
VOLUME CONTROL SOLENOID VALVE . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0447 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0448 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0451 EVAP CONTROL SYSTEM PRES-
SURE SENSOR . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0452 EVAP CONTROL SYSTEM PRES-
SURE SENSOR . . . . . . . . . . . .
EC-5
C
D
E
F
G
H
I
J
K
L
M
EC
A
N
O
P
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0453 EVAP CONTROL SYSTEM PRES-
SURE SENSOR . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0456 EVAP CONTROL SYSTEM . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0460 FUEL LEVEL SENSOR . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0461 FUEL LEVEL SENSOR . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0462, P0463 FUEL LEVEL SENSOR . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0500 VSS . . . . . . . . . . . . . ...
FOR NORTH AMERICA . . . . . . . . . . ..
FOR NORTH AMERICA : Description . . . . ..
FOR NORTH AMERICA : DTC Logic . . . . ...
FOR NORTH AMERICA : Diagnosis Procedure ...
FOR MEXICO . . . . . . . . . . . . . . ..
FOR MEXICO : Description . . . . . . . . ..
FOR MEXICO : DTC Logic . . . . . . . . ...
FOR MEXICO : Component Function Check . .
FOR MEXICO : Diagnosis Procedure . . . . ...
P0506 ISC SYSTEM . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0507 ISC SYSTEM . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P050A, P050E COLD START CONTROL . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0520 EOP SENSOR . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0524 ENGINE OIL PRESSURE . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0603 ECM POWER SUPPLY . . . . . ...
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0605 ECM . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0607 ECM . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0643 SENSOR POWER SUPPLY . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0850 PNP SWITCH . . . . . . . . . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1148, P1168 CLOSED LOOP CONTROL .
DTC Logic . . . . . . . . . . . . . . . ..
P1212 TCS COMMUNICATION LINE . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1217 ENGINE OVER TEMPERATURE . .
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1225 TP SENSOR . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1226 TP SENSOR . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P1550 BATTERY CURRENT SENSOR . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1551, P1552 BATTERY CURRENT SEN-
SOR . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P1553 BATTERY CURRENT SENSOR . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
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