2004 INFINITI QX56 Factory Service Manual

Page 2337 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-74
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Case 16
Check front air control circuit. Refer to LAN-87, "Front Air Control Circuit Check"  .
PKIA8104E
PKIA8815E

Page 2338 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-75
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 17
Check ABS actuator and electric unit (control unit) circuit. Refer to LAN-87, "ABS Actuator and Elect

Page 2339 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-76
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Case 18
Check IPDM E/R circuit. Refer to LAN-88, "IPDM E/R Circuit Check"  .
PKIA8106E
PKIA8817E

Page 2340 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-77
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
Case 19
Check CAN communication circuit. Refer to LAN-88, "CAN Communication Circuit Check"  .
Case 20
Check

Page 2341 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-78
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Case 21
Check IPDM E/R ignition relay circuit continuously sticks “ON”. Refer to LAN-89, "IPDM E/R Ignition Relay Cir-
cuit Check"

Page 2342 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-79
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC sensor connector.
2. Check continuity between harness con

Page 2343 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-80
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Circuit Check Between ICC Unit and Driver Seat Control UnitUKS001PP
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the ne

Page 2344 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-81
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: August 20072004 QX56
3. CHECK HARNESS FOR OPEN CIRCUIT
Check continuity between harness connector M40 terminals 51J
(W), 52J (R) a