2009 INFINITI QX56 Factory Service Manual

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Page 2833 of 4171

INFINITI QX56 2009 Factory Service Manual PB-8
< ON-VEHICLE REPAIR >
PARKING BRAKE CONTROL
10. Remove parking brake shoe, and remove rear cable from toggle lever. Refer to PB-9, "Removal and
Installation".
11. Remove right and left rear cable

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INFINITI QX56 2009 Factory Service Manual PARKING BRAKE SHOEPB-9
< ON-VEHICLE REPAIR >
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PARKING BRAKE SHOE
Removal and InstallationINFOID:0000000003772473
COMPONENTS
REMOVAL
WARNING:
Clean the brakes with a vacu

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INFINITI QX56 2009 Factory Service Manual PB-10
< ON-VEHICLE REPAIR >
PARKING BRAKE SHOE
• Check thickness of lining.
Disc Rotor Inner Diameter Inspection
• Check inner diameter insi de drum area of disc rotor.
Other Inspections
• Chec

Page 2836 of 4171

INFINITI QX56 2009 Factory Service Manual PARKING BRAKE SHOEPB-11
< ON-VEHICLE REPAIR >
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• Do not perform excessive break-in operations, because it may cause uneven or early wear of lin- ing.
3. After break-in

Page 2837 of 4171

INFINITI QX56 2009 Factory Service Manual PB-12
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Parking BrakeINFOID:0000000003772474
Un

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INFINITI QX56 2009 Factory Service Manual PCS
PCS-1
ELECTRICAL & POWER CONTROL
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CONTENTS
POWER CONTROL SYSTEM
IPDM E/R
BASIC INSPECTION ....... .............................
2
DIAGNOSIS AND REPAIR WOR

PCS
PCS-1
ELECTRICAL & POWER CONTROL
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CONTENTS
POWER CONTROL SYSTEM
IPDM E/R
BASIC INSPECTION ....... .............................
2
DIAGNOSIS AND REPAIR WORKFLOW ..... .....2
Work Flow ........................................................... ......2
FUNCTION DIAGNOSIS ...............................5
RELAY CONTROL SYSTEM ......................... .....5
System Diagram .................................................. ......5
System Description ...................................................6
Component Parts Location ........................................7
POWER CONTROL SYSTEM .............................8
System Diagram .................................................. ......8
System Description ...................................................8
SIGNAL BUFFER SYSTEM ................................9
System Diagram .................................................. ......9
System Description ...................................................9
POWER CONSUMPTION CONTROL SYS-
TEM ....................................................................
10
System Diagram .................................................. ....10
System Description .................................................10
Component Parts Location ......................................11
DIAGNOSIS SYSTEM (IPDM E/R) .....................12
Diagnosis Description ......................................... ....12
CONSULT - III Function (IPDM E/R) .......................14
COMPONENT DIAGNOSIS .........................17
U1000 CAN COMM CIRCUIT ...........................17
Description ........................................................... ....17
DTC Logic ................................................................17
Diagnosis Procedure ...............................................17
POWER SUPPLY AND GROUND CIRCUIT ....18
Diagnosis Procedure ...............................................18
ECU DIAGNOSIS .........................................19
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................
19
Reference Value .................................................. ....19
Terminal Layout .......................................................21
Physical Values ................................................... ....21
Wiring Diagram ........................................................26
Fail Safe ..................................................................29
DTC Index ...............................................................31
PRECAUTION ..............................................32
PRECAUTIONS .................................................32
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ....
32
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ...................................
32
REMOVAL AND INSTALLATION ...............34
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................
34
Removal and Installation of IPDM E/R ................ ....34
Revision: December 20092009 QX56

Page 2839 of 4171

INFINITI QX56 2009 Factory Service Manual PCS-2
< BASIC INSPECTION >[IPDM E/R]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work FlowINFOID:0000000004223757
OVERALL SEQUENCE
DETAILED FLOW
JMKIA0101GB
Revision:

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INFINITI QX56 2009 Factory Service Manual PCS
DIAGNOSIS AND REPAIR WORKFLOWPCS-3
< BASIC INSPECTION > [IPDM E/R]
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1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (th

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DIAGNOSIS AND REPAIR WORKFLOWPCS-3
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1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred).
>> GO TO 2
2. CHECK DTC
1. Check DTC.
2. Perform the following procedure if DTC is displayed.
- Record DTC and freeze frame data.
- Erase DTC.
- Study the relationship between the cause detected by DTC and the symptom described by the customer.
3. Check related service bulletins for information.
Is any symptom described and any DTC detected?
Symptom is described, DTC is displayed>>GO TO 3
Symptom is described, DTC is not displayed>>GO TO 4
Symptom is not described, DTC is displayed>>GO TO 5
3. CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONI TOR” mode and check real time diagnosis results.
Verify relationship between the symptom and the condition when the symptom is detected.
>> GO TO 5
4. CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONI TOR ” mode and check real time diagnosis results.
Verify relationship between the symptom and the condition when the symptom is detected.
>> GO TO 6
5. PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC Confirmation Procedure for the display ed DTC, and then check that DTC is detected again.
At this time, always connect CONSULT-III to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to BCS-51, "
DTCInspectionPriorityChart" and determine trouble
diagnosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC Confirmation Procedure is not included in Service Manual. This
simplified check procedure is an effective alternat ive though DTC cannot be detected during this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC Confirma-
tion Procedure.
Is DTC detected?
YES >> GO TO 8
NO >> Refer to GI-38, "
Intermittent Incident".
6. PERFORM BASIC INSPECTION
Perform a basic inspection of the IPDM E/R.
Inspection End>>GO TO 7
7. DETECT MALFUNCTIONING SYSTEM BY SYMPTOM
Detect malfunctioning system based on the confirmed symptom in step 4, and determine the trouble diagnosis
order based on possible causes and symptom.
>> GO TO 8
Revision: December 20092009 QX56

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