INFINITI QX56 2011 Factory Service Manual

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< REMOVAL AND INSTALLATION >
SECOND SEAT POWER UNLOCK SWITCH
SECOND SEAT POWER UNLOCK SWITCH
Removal and InstallationINFOID:0000000006217439
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect from damage.
1. Remove cluster lid C lower. Refer to IP-14, "
Removal and Installation".
2. Remove second seat power unlock switch from cluster lid C lower using flat-bladed screwdriver.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

THIRD SEAT RECLINING SWITCHSE-143
< REMOVAL AND INSTALLATION >
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THIRD SEAT RECLINING SWITCH
Removal and InstallationINFOID:0000000006217440
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect from damage.
1. Remove luggage side lower finisher. Refer to INT-36, "
LUGGAGE SIDE LOWER FINISHER : Removal
and Installation".
2. Remove third seat reclining switch from luggage side lower finisher using flat-bladed screwdriver.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

SE-144
< REMOVAL AND INSTALLATION >
THIRD SEAT FOLD DOWN SWITCH
THIRD SEAT FOLD DOWN SWITCH
Removal and InstallationINFOID:0000000006217441
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect from damage.
1. Remove luggage side lower finisher. Refer to INT-36, "
LUGGAGE SIDE LOWER FINISHER : Removal
and Installation".
2. Remove third seat fold down switch from luggage side lower finisher using flat-bladed screwdriver.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

FRONT HEATED SEAT SWITCHSE-145
< REMOVAL AND INSTALLATION >
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FRONT HEATED SEAT SWITCH
Removal and InstallationINFOID:0000000006217442
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect from damage.
1. Remove cluster lid C lower. Refer to IP-14, "
Removal and Installation".
2. Remove front heated seat switch from cluster lid C lower using flat-bladed screwdriver.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

SE-146
< REMOVAL AND INSTALLATION >
SECOND HEATED SEAT SWITCH
SECOND HEATED SEAT SWITCH
Removal and InstallationINFOID:0000000006217443
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect from damage.
1. Remove console rear finisher. Refer to IP-25, "
Removal and Installation".
2. Remove second heated seat switch from consol e rear finisher using flat-bladed screwdriver.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

CLIMATE CONTROLLED SEAT SWITCHSE-147
< REMOVAL AND INSTALLATION >
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CLIMATE CONTROLLED SEAT SWITCH
Removal and InstallationINFOID:0000000006217444
REMOVAL
CAUTION:
When removing and in stalling, use shop cloths to protect parts from damage.
1. Remove the cluster lid C lower. Refer to IP-14, "
Removal and Installation".
2. Remove climate controlled seat switch from cluster lid C lower using flat-bladed screwdriver.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

SE-148
< REMOVAL AND INSTALLATION >
CLIMATE CONTROLLED SEAT BLOWER FILTER
CLIMATE CONTROLLED SEAT BLOWER FILTER
SEAT CUSHION
SEAT CUSHION : Removal and InstallationINFOID:0000000006217445
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect parts from damage.
1. Remove the seat.
2. Turn blower filter counter counterclockwise and remo ve it from climate controlled seat cushion blower
motor.
INSTALLATION
Install in the reverse order of removal.
SEATBACK
SEATBACK : Removal and InstallationINFOID:0000000006217446
REMOVAL
CAUTION:
When removing and installi ng, use shop cloths to protect parts from damage.
1. Remove the seatback board.
2. Turn blower filter counter counterclockwise and re move it from climate controlled seat blower motor.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

SEC-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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CONTENTS
SECURITY CONTROL SYSTEM
WITH INTELLIGE NT KEY SYSTEM
PRECAUTION ................ ...............................
5
PRECAUTIONS .............................................. .....5
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
5
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .....................................
5
Precaution for Procedure without Cowl Top Cover ......6
SYSTEM DESCRIPTION ..............................7
COMPONENT PARTS ................................... .....7
Component Parts Location .................................. ......7
Component Description .............................................8
A/T Shift Selector (Detention Switch) ........................8
BCM ..........................................................................8
ECM ..........................................................................9
IPDM E/R ..................................................................9
NATS Antenna Amp. .................................................9
TCM ..........................................................................9
Combination Meter ....................................................9
Door Switch ...............................................................9
Hood Switch ..............................................................9
Inside Key Antenna ...................................................9
Intelligent Key ............................................................9
Push-button Ignition Switch .....................................10
Remote Keyless Entry Receiver .............................10
Security Indicator Lamp ..........................................10
Starter Control Relay ...............................................10
Starter Relay ...........................................................10
Steering Lock Relay ................................................10
Steering Lock Unit ...................................................10
Stop Lamp Switch ...................................................10
Transmission Range Switch ....................................10
Vehicle Information Display .....................................11
SYSTEM .............................................................12
INTELLIGENT KEY SYSTEM/ENGINE START
FUNCTION ............................................................. ....
12
INTELLIGENT KEY SYSTEM/ENGINE START
FUNCTION : System Diagram ................................
12
INTELLIGENT KEY SYSTEM/ENGINE START
FUNCTION : System Description ............................
12
INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS ....14
INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS : System Diagram .........................................
15
INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS : System Description .....................................
15
VEHICLE SECURITY SYSTEM .................................17
VEHICLE SECURITY SYSTEM : System Dia-
gram .................................................................... ....
17
VEHICLE SECURITY SYSTEM : System Descrip-
tion ...........................................................................
18
DIAGNOSIS SYSTEM (BCM) ...........................21
COMMON ITEM ..................................................... ....21
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
21
INTELLIGENT KEY ................................................ ....22
INTELLIGENT KEY : CONSULT-III Function
(BCM - INTELLIGENT KEY) ....................................
22
THEFT ALM ........................................................... ....26
THEFT ALM : CONSULT-III Function (BCM -
THEFT) ................................................................ ....
26
IMMU ...................................................................... ....27
IMMU : CONSULT-III Function (BCM - IMMU) ........27
DIAGNOSIS SYSTEM (IPDM E/R) ...................28
CONSULT-III Function (IPDM E/R) .........................28
ECU DIAGNOSIS INFORMATION ..............30
ECM, IPDM E/R, BCM .......................................30
List of ECU Reference ......................................... ....30
Revision: 2010 May2011 QX56

SEC-2
WIRING DIAGRAM .....................................31
SECURITY CONTROL SYSTEM .................... ...31
Wiring Diagram .................................................... ...31
BASIC INSPECTION ...................................48
DIAGNOSIS AND REPAIR WORK FLOW ..... ...48
Work Flow ............................................................ ...48
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT ................................................
51
ECM ........................................................................ ...51
ECM : Description ...................................................51
ECM : Work Procedure ...........................................51
BCM ........................................................................ ...51
BCM : Description ...................................................51
BCM : Work Procedure ...........................................51
DTC/CIRCUIT DIAGNOSIS ...................... ...53
P1610 LOCK MODE ....................................... ...53
Description ........................................................... ...53
DTC Logic ...............................................................53
Diagnosis Procedure ..............................................53
P1611 ID DISCORD, IMMU-ECM ......................54
DTC Logic ............................................................ ...54
Diagnosis Procedure ..............................................54
P1612 CHAIN OF ECM-IMMU ...........................55
DTC Logic ............................................................ ...55
Diagnosis Procedure ..............................................55
P1614 CHAIN OF IMMU-KEY ...........................56
DTC Logic ............................................................ ...56
Diagnosis Procedure ..............................................56
B2192 ID DISCORD, IMMU-ECM ......................60
DTC Logic ............................................................ ...60
Diagnosis Procedure ..............................................60
B2193 CHAIN OF ECM-IMMU ...........................61
DTC Logic ............................................................ ...61
Diagnosis Procedure ..............................................61
B2195 ANTI-SCANNING ...................................62
DTC Logic ............................................................ ...62
Diagnosis Procedure ..............................................62
B2196 DONGLE UNIT .......................................63
Description ........................................................... ...63
DTC Logic ...............................................................63
Diagnosis Procedure ..............................................63
B2198 NATS ANTENNA AMP. .........................65
DTC Logic ............................................................ ...65
Diagnosis Procedure ..............................................65
B2013 STEERING LOCK UNIT .........................69
DTC Logic ............................................................ ...69
Diagnosis Procedure ............................................ ...69
B2014 CHAIN OF STRG-IMMU ........................70
DTC Logic ............................................................ ...70
Diagnosis Procedure ...............................................70
B2555 STOP LAMP ...........................................73
DTC Logic ............................................................ ...73
Diagnosis Procedure ...............................................73
Component Inspection ............................................74
B2556 PUSH-BUTTON IGNITION SWITCH .....76
DTC Logic ............................................................ ...76
Diagnosis Procedure ...............................................76
Component Inspection ............................................77
B2557 VEHICLE SPEED ...................................78
DTC Logic ............................................................ ...78
Diagnosis Procedure ...............................................78
B2601 SHIFT POSITION ...................................79
DTC Logic ............................................................ ...79
Diagnosis Procedure ...............................................79
Component Inspection ............................................81
B2602 SHIFT POSITION ...................................82
DTC Logic ............................................................ ...82
Diagnosis Procedure ...............................................82
Component Inspection ............................................83
B2603 SHIFT POSITION ...................................85
DTC Logic ............................................................ ...85
Diagnosis Procedure ...............................................85
Component Inspection ............................................87
B2604 SHIFT POSITION ...................................89
DTC Logic ............................................................ ...89
Diagnosis Procedure ...............................................89
B2605 SHIFT POSITION ...................................91
DTC Logic ............................................................ ...91
Diagnosis Procedure ...............................................91
B2608 STARTER RELAY .................................93
DTC Logic ............................................................ ...93
Diagnosis Procedure ...............................................93
B2609 STEERING STATUS ..............................95
DTC Logic ............................................................ ...95
Diagnosis Procedure ...............................................95
B260B STEERING LOCK UNIT ........................98
DTC Logic ............................................................ ...98
Diagnosis Procedure ...............................................98
B260C STEERING LOCK UNIT ........................99
DTC Logic ............................................................ ...99
Diagnosis Procedure ...............................................99
B260D STEERING LOCK UNIT .......................100
DTC Logic ............................................................ .100
Diagnosis Procedure .............................................100
Revision: 2010 May2011 QX56

SEC-3
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B260F ENGINE STATUS ............................... ..101
Description .......................................................... ..101
DTC Logic .............................................................101
Diagnosis Procedure .............................................101
B2612 STEERING STATUS .............................102
DTC Logic ........................................................... ..102
Diagnosis Procedure .............................................102
B2619 BCM ......................................................105
DTC Logic ........................................................... ..105
Diagnosis Procedure .............................................105
B26E9 STEERING STATUS ............................106
DTC Logic ........................................................... ..106
Diagnosis Procedure .............................................106
B26EF STEERING LOCK RELAY ...................107
DTC Logic ........................................................... ..107
Diagnosis Procedure .............................................107
B26F0 STEERING LOCK RELAY ...................109
DTC Logic ........................................................... ..109
Diagnosis Procedure .............................................109
B26F3 STARTER CONTROL RELAY .............111
DTC Logic ........................................................... ..111
Diagnosis Procedure .............................................111
B26F4 STARTER CONTROL RELAY .............112
DTC Logic ........................................................... ..112
Diagnosis Procedure .............................................112
B26F5 STEERING LOCK STATUS SWITCH ..113
DTC Logic .............................................................113
Diagnosis Procedure .............................................113
B26F7 BCM ......................................................116
DTC Logic ........................................................... ..116
Diagnosis Procedure .............................................116
B26F8 BCM ......................................................117
DTC Logic ........................................................... ..117
Diagnosis Procedure .............................................117
B26F9 CRANKING REQUEST CIRCUIT .........118
DTC Logic ........................................................... ..118
Diagnosis Procedure .............................................118
B26FA CRANKING REQUEST CIRCUIT ........120
DTC Logic ........................................................... ..120
Diagnosis Procedure .............................................120
B26FC KEY REGISTRATION ..........................122
DTC Logic ........................................................... ..122
Diagnosis Procedure .............................................122
B209F CRANKING REQUEST CIRCUIT .........123
DTC Logic ........................................................... ..123
Diagnosis Procedure .............................................123
B20A0 CRANKING REQUEST CIRCUIT .......125
DTC Logic ............................................................ ..125
Diagnosis Procedure .............................................125
B2108 STEERING LOCK RELAY ..................127
DTC Logic ..............................................................127
Diagnosis Procedure .............................................127
B2109 STEERING LOCK RELAY ..................128
DTC Logic ..............................................................128
Diagnosis Procedure .............................................128
B210A STEERING LOCK UNIT ......................129
DTC Logic ..............................................................129
Diagnosis Procedure .............................................129
B210B STARTER CONTROL RELAY ............131
DTC Logic ..............................................................131
Diagnosis Procedure .............................................131
B210C STARTER CONTROL RELAY ............132
DTC Logic ..............................................................132
Diagnosis Procedure .............................................132
B210D STARTER RELAY ..............................133
DTC Logic ..............................................................133
Diagnosis Procedure .............................................133
B210E STARTER RELAY ...............................134
DTC Logic ..............................................................134
Diagnosis Procedure .............................................134
B210F SHIFT POSITION/CLUTCH INTER-
LOCK SWITCH ...............................................
136
DTC Logic ..............................................................136
Diagnosis Procedure .............................................136
B2110 SHIFT POSITION/CLUTCH INTER-
LOCK SWITCH ...............................................
138
DTC Logic ..............................................................138
Diagnosis Procedure .............................................138
HEADLAMP FUNCTION .................................140
Component Function Check ..................................140
Diagnosis Procedure .............................................140
HOOD SWITCH ...............................................141
Component Function Check ................................141
Diagnosis Procedure ............................................141
Component Inspection ...........................................142
HORN FUNCTION ...........................................143
Component Function Check .............................. ..143
Diagnosis Procedure ............................................143
Component Inspection ...........................................145
SECURITY INDICATOR LAMP ......................146
Component Function Check ................................146
Diagnosis Procedure .............................................146
SYMPTOM DIAGNOSIS ............................148
Revision: 2010 May2011 QX56