INFINITI QX56 2004 Factory Service Manual
QX56 2004
INFINITI
INFINITI
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INFINITI QX56 2004 Factory Service Manual
Trending: change key battery, night vision, octane, heater, torque, open gas tank, navigation system
Page 2361 of 3371
LAN-98
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
PKIA8068E
Page 2362 of 3371
CAN SYSTEM (TYPE 3)
LAN-99
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 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-115, "Circuit Check Between TCM
and Driver Seat Control Unit" .
PKIA8069E
PKIA8156E
Page 2363 of 3371
LAN-100
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 2
Check harness between driver seat control unit and data link connector. Refer to LAN-116, "Circuit Check
Between Driver Seat Control Unit and Data Link Connector" .
PKIA8070E
PKIA8157E
Page 2364 of 3371
CAN SYSTEM (TYPE 3)
LAN-101
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 3
Check harness between data link connector and IPDM E/R. Refer to LAN-117, "Circuit Check Between Data
Link Connector and IPDM E/R" .
PKIA8071E
PKIA8158E
Page 2365 of 3371
LAN-102
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 4
Check ECM circuit. Refer to LAN-118, "ECM Circuit Check" .
PKIA8072E
PKIA8159E
Page 2366 of 3371
CAN SYSTEM (TYPE 3)
LAN-103
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 5
Check TCM circuit. Refer to LAN-118, "TCM Circuit Check" .
PKIA8073E
PKIA8160E
Page 2367 of 3371
LAN-104
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 6
Check driver seat control unit circuit. Refer to LAN-119, "Driver Seat Control Unit Circuit Check" .
PKIA8074E
PKIA8161E
Page 2368 of 3371
CAN SYSTEM (TYPE 3)
LAN-105
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 7
Check combination meter circuit. Refer to LAN-119, "Combination Meter Circuit Check" .
PKIA8075E
PKIA8162E
Page 2369 of 3371
LAN-106
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 8
Check display control unit circuit. Refer to LAN-120, "Display Control Unit Circuit Check" .
PKIA8076E
PKIA8163E
Page 2370 of 3371
CAN SYSTEM (TYPE 3)
LAN-107
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 9
Check BCM circuit. Refer to LAN-120, "BCM Circuit Check" .
PKIA8077E
PKIA8164E
Trending: night vision, Driver information system, oil change, trailer, cruise control, high beam, air filter
![INFINITI QX56 2004 Factory Service Manual LAN-98
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
PKIA8068E](/img/42/57034/w960_57034-2360.png "INFINITI QX56 2004 Factory Service Manual LAN-98
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
PKIA8068E")
![INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-99
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “](/img/42/57034/w960_57034-2361.png "INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-99
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “")
![INFINITI QX56 2004 Factory Service Manual LAN-100
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 2
Check harness between driver seat control unit and data link connector. Refer to LAN-116, "Circuit Check
Between Driver Seat Con](/img/42/57034/w960_57034-2362.png "INFINITI QX56 2004 Factory Service Manual LAN-100
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 2
Check harness between driver seat control unit and data link connector. Refer to LAN-116, \"Circuit Check
Between Driver Seat Con")
![INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-101
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 3
Check harness between data link connector and IPDM E/R. Refer to LAN-117, "Circuit Check Between Data](/img/42/57034/w960_57034-2363.png "INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-101
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 3
Check harness between data link connector and IPDM E/R. Refer to LAN-117, \"Circuit Check Between Data")
![INFINITI QX56 2004 Factory Service Manual LAN-102
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 4
Check ECM circuit. Refer to LAN-118, "ECM Circuit Check" .
PKIA8072E
PKIA8159E](/img/42/57034/w960_57034-2364.png "INFINITI QX56 2004 Factory Service Manual LAN-102
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 4
Check ECM circuit. Refer to LAN-118, \"ECM Circuit Check\" .
PKIA8072E
PKIA8159E")
![INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-103
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 5
Check TCM circuit. Refer to LAN-118, "TCM Circuit Check" .
PKIA8073E
PKIA8160E](/img/42/57034/w960_57034-2365.png "INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-103
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 5
Check TCM circuit. Refer to LAN-118, \"TCM Circuit Check\" .
PKIA8073E
PKIA8160E")
![INFINITI QX56 2004 Factory Service Manual LAN-104
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 6
Check driver seat control unit circuit. Refer to LAN-119, "Driver Seat Control Unit Circuit Check" .
PKIA8074E
PKIA8161E](/img/42/57034/w960_57034-2366.png "INFINITI QX56 2004 Factory Service Manual LAN-104
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 6
Check driver seat control unit circuit. Refer to LAN-119, \"Driver Seat Control Unit Circuit Check\" .
PKIA8074E
PKIA8161E")
![INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-105
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 7
Check combination meter circuit. Refer to LAN-119, "Combination Meter Circuit Check" .
PKIA8075E
PKI](/img/42/57034/w960_57034-2367.png "INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-105
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 7
Check combination meter circuit. Refer to LAN-119, \"Combination Meter Circuit Check\" .
PKIA8075E
PKI")
![INFINITI QX56 2004 Factory Service Manual LAN-106
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 8
Check display control unit circuit. Refer to LAN-120, "Display Control Unit Circuit Check" .
PKIA8076E
PKIA8163E](/img/42/57034/w960_57034-2368.png "INFINITI QX56 2004 Factory Service Manual LAN-106
[CAN]
CAN SYSTEM (TYPE 3)
Revision: August 20072004 QX56
Case 8
Check display control unit circuit. Refer to LAN-120, \"Display Control Unit Circuit Check\" .
PKIA8076E
PKIA8163E")
![INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-107
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 9
Check BCM circuit. Refer to LAN-120, "BCM Circuit Check" .
PKIA8077E
PKIA8164E](/img/42/57034/w960_57034-2369.png "INFINITI QX56 2004 Factory Service Manual CAN SYSTEM (TYPE 3)
LAN-107
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 9
Check BCM circuit. Refer to LAN-120, \"BCM Circuit Check\" .
PKIA8077E
PKIA8164E")