2004 INFINITI QX56 Factory Service Manual

Page 2345 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-82
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
ECM Circuit CheckUKS001NB
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check followin

Page 2346 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-83
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Revision: August 20072004 QX56
ICC Sensor Circuit CheckUKS001PQ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative b

Page 2347 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-84
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Driver Seat Control Unit Circuit CheckUKS001ND
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery termin

Page 2348 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-85
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Revision: August 20072004 QX56
Display Control Unit Circuit CheckUKS001NF
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the

Page 2349 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-86
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
Data Link Connector Circuit CheckUKS001NH
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3

Page 2350 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-87
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Revision: August 20072004 QX56
Front Air Control Circuit CheckUKS001NJ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the neg

Page 2351 of 3371

INFINITI QX56 2004  Factory Service Manual LAN-88
[CAN]
CAN SYSTEM (TYPE 2)
Revision: August 20072004 QX56
IPDM E/R Circuit CheckUKS001NL
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check ter

Page 2352 of 3371

INFINITI QX56 2004  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-89
[CAN]
C
D
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F
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LAN
Revision: August 20072004 QX56
2. CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, check
continuity