2008 INFINITI QX56 Factory Service Manual

Page 2513 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-18
< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet (Example)
COLLECT DATA
Collect CONSULT-III Data
Print out or save the following CONSULT-III data.
• SELF-DI

Page 2514 of 4083

INFINITI QX56 2008  Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-19
< BASIC INSPECTION > [CAN FUNDAMENTAL]
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Some items may not be needed depending on CAN system type of vehicle.
Create On-board Diagn

Page 2515 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-20
< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
For some models, CAN communication diagnosis result is 
received from the vehicle monitor. (CONSULT-III is
not available.)
CR

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INFINITI QX56 2008  Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-21
< BASIC INSPECTION > [CAN FUNDAMENTAL]
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• For abbreviations, refer to 
LAN-36, "Abbreviation List".
DETECT THE ROOT CAUSE
Identif

Page 2517 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-22
< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
Identify the error circuit using information from t
he “CAN DIAG SUPPORT MNTR” (“ECU list” included).
1. ECU list: Ch

Page 2518 of 4083

INFINITI QX56 2008  Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-23
< BASIC INSPECTION > [CAN FUNDAMENTAL]
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c. Reception item of “AV”: “UNKWN” is not indicated. This indicates normal communic

Page 2519 of 4083

INFINITI QX56 2008  Factory Service Manual LAN-24
< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
On CAN DIAG SUPPORT MNTR (without PAST), “UNK
WN” is indicated even though the item is not used
in the trouble diagnosis.

Page 2520 of 4083

INFINITI QX56 2008  Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-25
< BASIC INSPECTION > [CAN FUNDAMENTAL]
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h. Reception item of “ABS”: “UNKWN” is not indicated. This indicates normal communi