2010 INFINITI QX56 Factory Service Manual

fold seats radio ad blue lights diagnostic menu brake fluid

Page 2609 of 4210

INFINITI QX56 2010 Factory Service Manual LAN
TROUBLE DIAGNOSISLAN-11
< FUNCTION DIAGNOSIS > [CAN FUNDAMENTAL]
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Self-DiagnosisINFOID:0000000005152908
CAN Diagnostic Support MonitorINFOID:0000000005146447
CONSULT-I

Page 2610 of 4210

INFINITI QX56 2010 Factory Service Manual LAN-12
< FUNCTION DIAGNOSIS >[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS
With PAST
MONITOR ITEM (ON-BOARD DIAGNOSIS)
NOTE:
For some models, CAN communication diagnosis result is
received from the vehicle mon

LAN-12
< FUNCTION DIAGNOSIS >[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS
With PAST
MONITOR ITEM (ON-BOARD DIAGNOSIS)
NOTE:
For some models, CAN communication diagnosis result is
received from the vehicle monitor. (CONSULT-III is
not available.)
Example: Vehicle Display
Item PRSNT Description
Initial diagnosis OK Normal at present
NG Control unit e rror (Except for some control units)
Transmission diagnosis OK Normal at present
UNKWN Unable to transmit signals for 2 seconds or more.
Diagnosis not performed
Control unit name
(Reception diagnosis) OK Normal at present
UNKWN Unable to receive signals for 2 seconds or more.
Diagnosis not performed
No control unit for receiving signals. (No applicable optional parts)
Item
PRSNT PAST Description
Transmission diagnosis OKOK Normal at present and in the past
1 – 39 Normal at present, but unable to transmit signals for 2 seconds or more
in the past. (The number indicates the number of ignition switch cycles
from OFF to ON.)
UNKWN 0 Unable to transmit signals for 2 seconds or more at present.
Control unit name
(Reception diagnosis) OK
OK Normal at present and in the past
1 – 39 Normal at present, but unable to receive signals for 2 seconds or more
in the past. (The number indicates the number of ignition switch cycles
from OFF to ON.)
UNKWN 0 Unable to receive signals for 2 seconds or more at present.
–– Diagnosis not performed.
No control unit for receiving signals. (No applicable optional parts)
Item
Result indi-
cated Error counter
Description
CAN_COMM
(Initial diagnosis) OK
0 Normal at present
NG 1 – 50 Control unit error
(The number indicates how many times diagnosis has been
run.)
CAN_CIRC_1
(Transmission diagnosis) OK
0 Normal at present
UNKWN 1 – 50 Unable to transmit for 2 seconds or more at present.
(The number indicates how many times diagnosis has been
run.)
CAN_CIRC_2 – 9
(Reception diagnosis of each unit) OK
0 Normal at present
UNKWN 1 – 50 Unable to transmit for 2 seconds or more at present.
(The number indicates how many times diagnosis has been
run.)
Diagnosis not performed.
No control unit for receiving signals. (No applicable optional
parts)
Revision: April 20092010 QX56

Page 2611 of 4210

INFINITI QX56 2010 Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-13
< BASIC INSPECTION > [CAN FUNDAMENTAL]
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Information Needed for Trouble DiagnosisINFO

Page 2612 of 4210

INFINITI QX56 2010 Factory Service Manual LAN-14
< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
Trouble Diagnosis Flow Chart
INFOID:0000000005146450
Trouble Diagnosis ProcedureINFOID:0000000005146451
INTERVIEW WITH CUSTOM

Page 2613 of 4210

INFINITI QX56 2010 Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-15
< BASIC INSPECTION > [CAN FUNDAMENTAL]
C
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N
• Result: Symptom
NOTE:
• Check normal units as well as error symptoms.
- Example: Circ

Page 2614 of 4210

INFINITI QX56 2010 Factory Service Manual LAN-16
< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
CAN system type is easily checked with the vehicle equi
pment identification information shown in the chart.
CAN System Type

Page 2615 of 4210

INFINITI QX56 2010 Factory Service Manual LAN
DIAGNOSIS AND REPAIR WORKFLOWLAN-17
< BASIC INSPECTION > [CAN FUNDAMENTAL]
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CAN system type is easily checked wi
th the vehicle equipment identification information sh

Page 2616 of 4210

INFINITI QX56 2010 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

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