INFINITI QX4 2005 Factory Service Manual

LAN-22
[CAN]
CAN SYSTEM (TYPE 1)
Revision: October 20052005 QX56
8. Mark the “NG” or “UNKWN” item of the check sheet table with “v” from the result of CAN DIAG SUPPORT
MONITOR check sheet. Refer to LAN-23, "
CHECK SHEET" .
NOTE:
If “NG” is displayed on “CAN COMM” as “CAN DIAG SUPPORT MONITOR” for the diagnosed control
unit, replace the control unit. Refer to AV- 1 3 1 , "
CAN Communication Line Check" .
9. According to the check sheet results (example), start inspection. Refer to LAN-25, "
CHECK SHEET
RESULTS (EXAMPLE)" .

CAN SYSTEM (TYPE 1)
LAN-23
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: October 20052005 QX56
CHECK SHEET
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “CAN COMM” for the diagnosed control unit,
replace the control unit.
PKIB6657E

LAN-24
[CAN]
CAN SYSTEM (TYPE 1)
Revision: October 20052005 QX56
PKIB6658E

CAN SYSTEM (TYPE 1)
LAN-25
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: October 20052005 QX56
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “CAN COMM” for the diagnosed control unit,
replace the control unit.
Case 1
Check harness between TCM and driver seat control unit. Refer to LAN-40, "Circuit Check Between TCM and
Driver Seat Control Unit" .
PKIB6659E
PKIA8142E

LAN-26
[CAN]
CAN SYSTEM (TYPE 1)
Revision: October 20052005 QX56
Case 2
Check harness between driver seat control unit and data link connector. Refer to LAN-41, "Circuit Check
Between Driver Seat Control Unit and Data Link Connector" .
PKIB6660E
PKIA8143E

CAN SYSTEM (TYPE 1)
LAN-27
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: October 20052005 QX56
Case 3
Check harness between data link connector and IPDM E/R. Refer to LAN-42, "Circuit Check Between Data
Link Connector and IPDM E/R" .
PKIB6661E
PKIA8144E

LAN-28
[CAN]
CAN SYSTEM (TYPE 1)
Revision: October 20052005 QX56
Case 4
Check ECM circuit. Refer to LAN-43, "ECM Circuit Check" .
PKIB6662E
PKIA8145E

CAN SYSTEM (TYPE 1)
LAN-29
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: October 20052005 QX56
Case 5
Check TCM circuit. Refer to LAN-43, "TCM Circuit Check" .
PKIB6663E
PKIA8146E

LAN-30
[CAN]
CAN SYSTEM (TYPE 1)
Revision: October 20052005 QX56
Case 6
Check driver seat control unit circuit. Refer to LAN-44, "Driver Seat Control Unit Circuit Check" .
PKIB6664E
PKIA8147E

CAN SYSTEM (TYPE 1)
LAN-31
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: October 20052005 QX56
Case 7
Check combination meter circuit. Refer to LAN-44, "Combination Meter Circuit Check" .
PKIB6665E
PKIA8148E