Nissan Altima L32. Instruction — part 220
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CONTENTS
ENGINE CONTROL SYSTEM
QR25DE FOR CALIFORNIA
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORK FLOW . .
Work Flow . . . . . . . . . . . . . . . ...
Diagnostic Work Sheet . . . . . . . . . . .
INSPECTION AND ADJUSTMENT . . . . .
BASIC INSPECTION . . . . . . . . . . . . .
BASIC INSPECTION : Special Repair Require-
ment . . . . . . . . . . . . . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description . . . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement . .
IDLE SPEED . . . . . . . . . . . . . . . ..
IDLE SPEED : Description . . . . . . . . . ..
IDLE SPEED : Special Repair Requirement . . ...
IGNITION TIMING . . . . . . . . . . . . . ..
IGNITION TIMING : Description . . . . . . . ..
IGNITION TIMING : Special Repair Requirement .
VIN REGISTRATION . . . . . . . . . . . . .
VIN REGISTRATION : Description . . . . . . .
VIN REGISTRATION : Special Repair Require-
ment . . . . . . . . . . . . . . . . . .
ACCELERATOR PEDAL RELEASED POSITION
LEARNING . . . . . . . . . . . . . . . .
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Description . . . . . . . . . . .
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Special Repair Requirement . . . ..
THROTTLE VALVE CLOSED POSITION LEARN-
ING . . . . . . . . . . . . . . . . . . . .
THROTTLE VALVE CLOSED POSITION
LEARNING : Description . . . . . . . . . . .
THROTTLE VALVE CLOSED POSITION
LEARNING : Special Repair Requirement . . . ..
IDLE AIR VOLUME LEARNING . . . . . . . .
IDLE AIR VOLUME LEARNING : Description . . .
IDLE AIR VOLUME LEARNING : Special Repair
Requirement . . . . . . . . . . . . . . .
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR . . . . . . . . . . . . . . . . . ...
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Description . . . . . . . . . . . .
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Special Repair Requirement . . . . . .
FUNCTION DIAGNOSIS . . . . . . . ..
ENGINE CONTROL SYSTEM . . . . . . ..
System Diagram . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . .
Component Description . . . . . . . . . . ...
MULTIPORT FUEL INJECTION SYSTEM . ...
System Diagram . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . .
Component Description . . . . . . . . . . ...
ELECTRIC IGNITION SYSTEM . . . . . .
System Diagram . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . .
Component Description . . . . . . . . . . ...
AIR CONDITIONING CUT CONTROL . . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . .
EC-2
AUTOMATIC SPEED CONTROL DEVICE
(ASCD) . . . . . . . . . . . . . . . ...
System Diagram . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . ...
Component Description . . . . . . . . . . .
CAN COMMUNICATION . . . . . . . . ...
System Description . . . . . . . . . . . . .
COOLING FAN CONTROL . . . . . . . ...
System Diagram . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . ...
Component Description . . . . . . . . . . ..
EVAPORATIVE EMISSION SYSTEM . . . ...
System Diagram . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . ...
Component Description . . . . . . . . . . .
INTAKE VALVE TIMING CONTROL . . . . .
System Diagram . . . . . . . . . . . . . .
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . ...
Component Description . . . . . . . . . . .
TUMBLE CONTROL VALVE CONTROL . .
System Diagram . . . . . . . . . . . . .
System Description . . . . . . . . . . . .
Component Parts Location . . . . . . . . ..
Component Description . . . . . . . . . . .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ...
Diagnosis Description . . . . . . . . . . .
CONSULT-III Function . . . . . . . . . . ..
Diagnosis Tool Function . . . . . . . . . ..
COMPONENT 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 . . . . . . . . . . . .
U0140 CAN COMM CIRCUIT . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
U1001 CAN COMM CIRCUIT . . . . . . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0011 IVT CONTROL . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0031, P0032 A/F SENSOR 1 HEATER . . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0037, P0038 HO2S2 HEATER . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0043, P0044 HO2S3 HEATER . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0075 IVT CONTROL SOLENOID VALVE . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0101 MAF SENSOR . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0102, P0103 MAF SENSOR . . . . . . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0112, P0113 IAT SENSOR . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0116 ECT SENSOR . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0117, P0118 ECT SENSOR . . . . . . ...
Description . . . . . . . . . . . . . . .
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Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0122, P0123 TP SENSOR . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
Special Repair Requirement . . . . . . . . .
P0125 ECT SENSOR . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0127 IAT SENSOR . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0128 THERMOSTAT FUNCTION . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0130 A/F SENSOR 1 . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0131 A/F SENSOR 1 . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0132 A/F SENSOR 1 . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0133 A/F SENSOR 1 . . . . . . . . . ..
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0137 HO2S2 . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0138 HO2S2 . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0139 HO2S2 . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0143 HO2S3 . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0144 HO2S3 . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0145 HO2S3 . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0146 HO2S3 . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0171 FUEL INJECTION SYSTEM FUNC-
TION . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0172 FUEL INJECTION SYSTEM FUNC-
TION . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0181 FTT SENSOR . . . . . . . . . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0182, P0183 FTT SENSOR . . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0222, P0223 TP SENSOR . . . . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
EC-4
P0300, P0301, P0302, P0303, P0304 MIS-
FIRE . . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0327, P0328 KS . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0335 CKP SENSOR (POS) . . . . . . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0340 CMP SENSOR (PHASE) . . . . . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0420 THREE WAY CATALYST FUNCTION .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0441 EVAP CONTROL SYSTEM . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
P0442 EVAP CONTROL SYSTEM . . . . ..
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE . . . . . ...
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0444, P0445 EVAP CANISTER PURGE
VOLUME CONTROL SOLENOID VALVE . ..
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0447 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ...
P0448 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0451 EVAP CONTROL SYSTEM PRES-
SURE SENSOR . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0452 EVAP CONTROL SYSTEM PRES-
SURE SENSOR . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0453 EVAP CONTROL SYSTEM PRES-
SURE SENSOR . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0455 EVAP CONTROL SYSTEM . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0456 EVAP CONTROL SYSTEM . . . . ..
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
Component Inspection . . . . . . . . . . ..
P0460 FUEL LEVEL SENSOR . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0461 FUEL LEVEL SENSOR . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0462, P0463 FUEL LEVEL SENSOR . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0500 VSS . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
DTC Logic . . . . . . . . . . . . . . . .
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
P0506 ISC SYSTEM . . . . . . . . . . .
Description . . . . . . . . . . . . . . .
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