2008 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2008  Factory Service Manual EC-6
Component Description  .........................................359
On Board Diagnosis Logic  .....................................359
DTC Confirmation Procedure  ................................

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INFINITI QX56 2008  Factory Service Manual EC-7
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DTC Index  ...........................................................
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462
Emission-related Diagnostic Information ...............466
SYMPTOM DIAGNOSIS  ..... .

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INFINITI QX56 2008  Factory Service Manual EC-8
< BASIC INSPECTION >[VK56DE]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Trouble Diagnosis IntroductionINFOID:0000000001351337
INTRODUCTION
The engine has an ECM

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INFINITI QX56 2008  Factory Service Manual DIAGNOSIS AND REPAIR WORKFLOWEC-9
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Overall Sequence
Detailed Flow
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the custo

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INFINITI QX56 2008  Factory Service Manual EC-10
< BASIC INSPECTION >[VK56DE]
DIAGNOSIS AND REPAIR WORKFLOW
2.CHECK DTC*1
1. Check DTC*1 .
2. Perform the following procedure if DTC*
1  is displayed.
- Record DTC*
1  and freeze frame data*2 . (

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INFINITI QX56 2008  Factory Service Manual DIAGNOSIS AND REPAIR WORKFLOWEC-11
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Are they within the SP value?
Yes >> GO TO 9.
No >> GO TO 8.
8.DETECT MALFUNCTIONING PART BY TROUBLE DI

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INFINITI QX56 2008  Factory Service Manual EC-12
< BASIC INSPECTION >[VK56DE]
DIAGNOSIS AND REPAIR WORKFLOW
There are many operating conditions that lead to the malfunction of
engine components. A good grasp of such conditions can make trou-
b

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INFINITI QX56 2008  Factory Service Manual INSPECTION AND ADJUSTMENTEC-13
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INSPECTION AND ADJUSTMENT
Basic InspectionINFOID:0000000001351329
1.INSPECTION START
1. Check service recor