Index Infiniti Infiniti QX56 (Z62) - service repair manual 2011 year

Content .. 504 505 506 507 ..

Infiniti QX56 (Z62). Manual - part 506

EC-2

DIRECT INJECTION GASOLINE SYSTEM : Sys-
tem Description .......................................................

FUEL PRESSURE CONTROL ..................................

FUEL PRESSURE CONTROL : System Diagram

...

FUEL PRESSURE CONTROL : System Descrip-
tion ..........................................................................

COOLING FAN CONTROL .......................................

COOLING FAN CONTROL : System Diagram .......

COOLING FAN CONTROL : System Description ...

ELECTRIC IGNITION SYSTEM ................................

ELECTRIC IGNITION SYSTEM :
System Diagram ....................................................

ELECTRIC IGNITION SYSTEM : System De-
scription ..................................................................

INTAKE VALVE TIMING CONTROL ........................

INTAKE VALVE TIMING CONTROL : System Di-
agram .....................................................................

INTAKE VALVE TIMING CONTROL : System De-
scription ..................................................................

VVEL SYSTEM ..........................................................

VVEL SYSTEM : System Diagram ........................

VVEL SYSTEM : System Description .....................

EVAPORATIVE EMISSION SYSTEM .......................

EVAPORATIVE EMISSION SYSTEM : System
Diagram ..................................................................

EVAPORATIVE EMISSION SYSTEM : System
Description ..............................................................

AIR CONDITIONING CUT CONTROL ......................

AIR CONDITIONING CUT CONTROL : System
Diagram ..................................................................

AIR CONDITIONING CUT CONTROL : System
Description ..............................................................

AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...

AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Diagram ............................................

AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Description .......................................

CAN COMMUNICATION ...........................................

CAN COMMUNICATION : System Description ......

OPERATION ......................................................

AUTMATIC SPEED CONTROL DEVICE (ASCD) ....

AUTMATIC SPEED CONTROL DEVICE (ASCD)
: 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 : Malfunction Indica-
tor Lamp (MIL) ........................................................

On Board Diagnosis Function .................................

CONSULT-III Function ............................................

ECU DIAGNOSIS INFORMATION .............

ECM ...................................................................

Reference Value .....................................................

Fail-safe ..................................................................

DTC Inspection Priority Chart .................................

DTC Index ...............................................................

Test Value and Test Limit ..................................

VVEL CONTROL MODULE .............................

Reference Value ...................................................

WIRING DIAGRAM ...................................

ENGINE CONTROL SYSTEM ..........................

Wiring Diagram .....................................................

BASIC INSPECTION .................................

DIAGNOSIS AND REPAIR WORKFLOW ........

Work Flow .............................................................

Diagnostic Work Sheet .........................................

BASIC INSPECTION ........................................

Work Procedure ....................................................

ADDITIONAL SERVICE WHEN REPLACING
ECM ..................................................................

Description ............................................................

Work Procedure ....................................................

ADDITIONAL SERVICE WHEN REPLACING
VVEL CONTROL MODULE .............................

Description ............................................................

Work Procedure ....................................................

VIN REGISTRATION ........................................

Description ............................................................

Work Procedure ....................................................

ACCELERATOR PEDAL RELEASED POSI-
TION LEARNING ..............................................

Description ............................................................

Work Procedure ....................................................

THROTTLE VALVE CLOSED POSITION
LEARNING .......................................................

Description ............................................................

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Work Procedure ....................................................

IDLE AIR VOLUME LEARNING ......................

Description ............................................................

Work Procedure ....................................................

VVEL CONTROL SHAFT POSITION SEN-
SOR ADJUSTMENT .........................................

Description ............................................................

Work Procedure ....................................................

MIXTURE RATIO SELF-LEARNING VALUE
CLEAR ..............................................................

Description ............................................................

Work Procedure ....................................................

FUEL PRESSURE ............................................

Work Procedure ....................................................

HOW TO SET SRT CODE ................................

Description ............................................................

SRT Set Driving Pattern ........................................

Work Procedure ....................................................

DTC/CIRCUIT DIAGNOSIS .......................

TROUBLE DIAGNOSIS - SPECIFICATION
VALUE ..............................................................

Description ............................................................

Component Function Check ..................................

Diagnosis Procedure .............................................

POWER SUPPLY AND GROUND CIRCUIT ....

Diagnosis Procedure .............................................

U0101 CAN COMM CIRCUIT ...........................

DTC Logic .............................................................

Diagnosis Procedure .............................................

U1001 CAN COMM CIRCUIT ...........................

DTC Logic .............................................................

Diagnosis Procedure .............................................

U0113, U1003 CAN COMM CIRCUIT ..............

DTC Logic .............................................................

Diagnosis Procedure .............................................

U1024 CAN COMM CIRCUIT ...........................

DTC Logic .............................................................

Diagnosis Procedure .............................................

P0011, P0021 IVT CONTROL ..........................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Intake Valve Timing Con-
trol Solenoid Valve) ...............................................

P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER ...........................................................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (A/F Sensor 1 Heater) ......

P0037, P0038, P0057, P0058 HO2S2 HEAT-
ER ....................................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (HO2 Sensor 2 Heater) .....

P006A, P0101 MAF SENSOR ........................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (MAF Sensor) ...................

P0075, P0081 IVT CONTROL SOLENOID
VALVE .............................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Intake Valve Timing Con-
trol Solenoid Valve) ...............................................

P0087, P0088, P0090 FRP CONTROL SYS-
TEM .................................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection ...........................................

P008A LOW FUEL PRESSURE CONTROL
SYSTEM ..........................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

P008B LOW FUEL PRESSURE CONTROL
SYSTEM ..........................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

P0102, P0103 MAF SENSOR .........................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (MAF Sensor) ...................

P0106 MANIFOLD ABSOLUTE PRESSURE
SENSOR ..........................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (MAP Sensor) ...................

P010A MANIFOLD ABSOLUTE PRESSURE
SENSOR ..........................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (MAP Sensor) ...................

P0112, P0113 IAT SENSOR ...........................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Intake Air Temperature
Sensor) ..................................................................

P0116 ECT SENSOR ......................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

EC-4

Component Inspection (Engine Coolant Tempera-
ture Sensor) ...........................................................

P0117, P0118 ECT SENSOR ..........................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Engine Coolant Tempera-
ture Sensor) ...........................................................

P0122, P0123 TP SENSOR .............................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Throttle Position Sensor) ..

P0125 ECT SENSOR .......................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Engine Coolant Tempera-
ture Sensor) ...........................................................

P0127 IAT SENSOR ........................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Intake Air Temperature
Sensor) ..................................................................

P0128 THERMOSTAT FUNCTION .................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Engine Coolant Tempera-
ture Sensor) ...........................................................

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 .............................................

P0133, P0153 A/F SENSOR 1 .........................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

P0137, P0157 HO2S2 ......................................

DTC Logic ..............................................................

Component Function Check ..................................

Diagnosis Procedure .............................................

Component Inspection (HO2 sensor 2) .................

P0138, P0158 HO2S2 ......................................

DTC Logic ..............................................................

Component Function Check ..................................

Diagnosis Procedure .............................................

Component Inspection (HO2 sensor 2) .................

P0139, P0159 HO2S2 .......................................

DTC Logic .............................................................

Component Function Check .................................

Diagnosis Procedure .............................................

Component Inspection (HO2 sensor 2) ................

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 .............................................................

Diagnosis Procedure .............................................

Component Inspection (Fuel Tank Temperature
Sensor) .................................................................

P0182, P0183 FTT SENSOR ............................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Fuel Tank Temperature
Sensor) .................................................................

P0190, P0192, P0193 FRP SENSOR ...............

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Fuel Rail Pressure Sen-
sor) ........................................................................

P0191 FRP SENSOR .......................................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Fuel Rail Pressure Sen-
sor) ........................................................................

P0196 EOT SENSOR .......................................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Engine Oil Temperature
Sensor) .................................................................

P0197, P0198 EOT SENSOR ...........................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Engine Oil Temperature
Sensor) .................................................................

P0201, P0202, P0203, P0204, P0205, P0206,
P0207, P0208 INJECTOR ................................

DTC Logic .............................................................

Diagnosis Procedure .............................................

P0222, P0223 TP SENSOR ..............................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Throttle Position Sensor) .

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P0300, P0301, P0302, P0303, P0304, P0305,
P0306, P0307, P0308 MISFIRE .......................

DTC Logic .............................................................

Diagnosis Procedure .............................................

P0327, P0328, P0332, P0333 KS ....................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Knock Sensor) ................

P0335 CKP SENSOR .......................................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Crankshaft Position Sen-
sor) ........................................................................

P0340, P0345 CMP SENSOR ..........................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (Camshaft Position Sen-
sor) ........................................................................

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 (EVAP Canister Purge
Volume Control Solenoid Valve) ...........................

P0444, P0445 EVAP CANISTER PURGE
VOLUME CONTROL SOLENOID VALVE .......

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (EVAP Canister Purge
Volume Control Solenoid Valve) ...........................

P0447 EVAP CANISTER VENT CONTROL
VALVE ..............................................................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (EVAP Canister Vent Con-
trol Valve) ..............................................................

P0448 EVAP CANISTER VENT CONTROL
VALVE ..............................................................

DTC Logic .............................................................

Diagnosis Procedure .............................................

Component Inspection (EVAP Canister Vent Con-
trol Valve) ..............................................................

P0451 EVAP CONTROL SYSTEM PRES-
SURE SENSOR ...............................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (EVAP Control System
Pressure Sensor) ...................................................

P0452 EVAP CONTROL SYSTEM PRES-
SURE SENSOR ...............................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (EVAP Control System
Pressure Sensor) ...................................................

P0453 EVAP CONTROL SYSTEM PRES-
SURE SENSOR ...............................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (EVAP Control System
Pressure Sensor) ...................................................

P0456 EVAP CONTROL SYSTEM .................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

Component Inspection (Fuel Filler Cap) ................

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 ......................................................

Description .............................................................

DTC Logic ..............................................................

Component Function Check ..................................

Diagnosis Procedure .............................................

P0506 ISC SYSTEM ........................................

Description .............................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

P0507 ISC SYSTEM ........................................

Description .............................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

P050E COLD START CONTROL ...................

Description .............................................................

DTC Logic ..............................................................

Diagnosis Procedure .............................................

P0524 ENGINE OIL PRESSURE ....................

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