2008 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2008 Factory Service Manual RF-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION RF
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CONTENTS
ROOF
BASIC INSPECTION ....... .............................3
DIAGNOSIS AND REPAIR WORKFLOW ....

RF-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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CONTENTS
ROOF
BASIC INSPECTION ....... .............................3
DIAGNOSIS AND REPAIR WORKFLOW ..... .....3
Work Flow ........................................................... ......3
INSPECTION AND ADJUSTMENT .....................5
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ......
5
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ..................................
5
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .......
5
BASIC INSPECTION ...................................................5
BASIC INSPECTION : Spec ial Repair Require-
ment .................................................................... ......
5
FUNCTION DIAGNOSIS ...............................6
SUNROOF SYSTEM ...................................... .....6
System Diagram ................................................. ......6
System Description ...................................................6
Component Parts Location ......................................7
Component Description ............................................7
DIAGNOSIS SYSTEM (BCM) .............................8
COMMON ITEM ..................................................... ......8
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .......................................................
8
RETAINED PWR .........................................................8
RETAINED PWR : CONSULT-III Function (BCM -
RETAINED PWR) .....................................................
8
COMPONENT DIAGNOSIS .........................10
POWER SUPPLY AND GROUND CIRCUIT .. ....10
SUNROOF MOTOR ASSEMBLY .......................... ....10
SUNROOF MOTOR ASSEMBLY :
Diagnosis Procedure ..............................................
10
SUNROOF MOTOR ASSEMBLY : Special Repair
Requirement ........................................................ ....
11
SUNROOF SWITCH CIRCUIT ..........................12
Description ...............................................................12
Component Function Check ..................................12
Diagnosis Procedure ...............................................12
DOOR SWITCH .................................................14
Description ...............................................................14
Component Function Check ....................................14
Diagnosis Procedure ...............................................14
Component Inspection .............................................15
ECU DIAGNOSIS .........................................16
BCM (BODY CONTROL MODULE) .................16
Reference Value .................................................. ....16
Terminal Layout .......................................................18
Physical Values ................................................... ....18
Wiring Diagram ........................................................24
Fail Safe ..................................................................27
DTC Inspection Priority Chart ...............................28
DTC Index ...............................................................28
SUNROOF SYSTEM .........................................30
Reference Value ......................................................30
Wiring Diagram ........................................................31
SYMPTOM DIAGNOSIS ..............................35
SUNROOF DOES NOT OPERATE PROPER-
LY ......................................................................
35
Diagnosis Procedure ........................................... ....35
AUTO OPERATION DOES NOT OPERATE ....36
Diagnosis Procedure ...............................................36
DOES NOT STOP FULLY-OPEN OR FULLY-
CLOSED POSITION ..........................................
37
Diagnosis Procedure ...............................................37
Revision: March 2010 2008 QX56

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INFINITI QX56 2008 Factory Service Manual RF-2
RETAINED POWER OPERATION DOES NOT
OPERATE PROPERLY .....................................
38
Diagnosis Procedure ........................................... ...38
SUNROOF DOES NOT OPERATE ANTI-

Page 2987 of 4083

INFINITI QX56 2008 Factory Service Manual DIAGNOSIS AND REPAIR WORKFLOWRF-3
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work FlowINFOID:0000000001731918
OVERALL SEQUENCE
DETAILED FLOW
AL

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INFINITI QX56 2008 Factory Service Manual RF-4
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the condition and the environment when
the inci

Page 2989 of 4083

INFINITI QX56 2008 Factory Service Manual INSPECTION AND ADJUSTMENTRF-5
< BASIC INSPECTION >
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPL ACING CONTROL

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INFINITI QX56 2008 Factory Service Manual RF-6
< FUNCTION DIAGNOSIS >
SUNROOF SYSTEM
FUNCTION DIAGNOSIS
SUNROOF SYSTEM
System DiagramINFOID:0000000001731922
SUNROOF
System DescriptionINFOID:0000000001731923
SUNROOF SYSTEM
INPUT/OUTPUT SIGNAL

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INFINITI QX56 2008 Factory Service Manual SUNROOF SYSTEMRF-7
< FUNCTION DIAGNOSIS >
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Component Parts LocationINFOID:0000000001731924
Component DescriptionINFOID:0000000001731925
ALKIA0867ZZ
1. Sunroof switch R10

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INFINITI QX56 2008 Factory Service Manual RF-8
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)INFOID:0000000004874868
APPLICATION ITEM
CONSULT-III perform

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