INFINITI QX56 2004 Factory Service Manual
Page 2321 of 3371
LAN-58
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
PKIA8088E
Page 2322 of 3371
CAN SYSTEM (TYPE 2)
LAN-59
[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 ICC sensor. Refer to LAN-78, "Circuit Check Between TCM and ICC Sen-
sor" .
PKIA8089E
PKIA8800E
Page 2323 of 3371
LAN-60
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Case 2
Check harness between ICC sensor and ICC unit. Refer to LAN-79, "Circuit Check Between ICC Sensor and
ICC Unit" .
PKIA8090E
PKIA8801E
Page 2324 of 3371
CAN SYSTEM (TYPE 2)
LAN-61
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 3
Check harness between ICC unit and driver seat control unit. Refer to LAN-80, "Circuit Check Between ICC
Unit and Driver Seat Control Unit" .
PKIA8091E
PKIA8802E
Page 2325 of 3371
LAN-62
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Case 4
Check harness between driver seat control unit and data link connector. Refer to LAN-80, "Circuit Check
Between Driver Seat Control Unit and Data Link Connector" .
PKIA8092E
PKIA8803E
Page 2326 of 3371
CAN SYSTEM (TYPE 2)
LAN-63
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 5
Check harness between data link connector and IPDM E/R. Refer to LAN-81, "Circuit Check Between Data
Link Connector and IPDM E/R" .
PKIA8093E
PKIA8804E
Page 2327 of 3371
LAN-64
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Case 6
Check ECM circuit. Refer to LAN-82, "ECM Circuit Check" .
PKIA8094E
PKIA8805E
Page 2328 of 3371
CAN SYSTEM (TYPE 2)
LAN-65
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 7
Check TCM circuit. Refer to LAN-82, "TCM Circuit Check" .
PKIA8095E
PKIA8806E
Page 2329 of 3371
LAN-66
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Case 8
Check ICC sensor circuit. Refer to LAN-83, "ICC Sensor Circuit Check" .
PKIA8096E
PKIA8807E
Page 2330 of 3371
CAN SYSTEM (TYPE 2)
LAN-67
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 9
Check ICC unit circuit. Refer to LAN-83, "ICC Unit Circuit Check" .
PKIA8097E
PKIA8808E