2005 INFINITI QX4 Factory Service Manual

Page 2361 of 3419

INFINITI QX4 2005  Factory Service Manual LAN-82
[CAN]
CAN SYSTEM (TYPE 2)
Revision: October 20052005 QX56
ECM Circuit CheckUKS001NB
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check followi

Page 2362 of 3419

INFINITI QX4 2005  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-83
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Revision: October 20052005 QX56
ICC Sensor Circuit CheckUKS001PQ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative

Page 2363 of 3419

INFINITI QX4 2005  Factory Service Manual LAN-84
[CAN]
CAN SYSTEM (TYPE 2)
Revision: October 20052005 QX56
Driver Seat Control Unit Circuit CheckUKS001ND
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery termi

Page 2364 of 3419

INFINITI QX4 2005  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-85
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Revision: October 20052005 QX56
Display Control Unit Circuit CheckUKS001NF
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the

Page 2365 of 3419

INFINITI QX4 2005  Factory Service Manual LAN-86
[CAN]
CAN SYSTEM (TYPE 2)
Revision: October 20052005 QX56
Data Link Connector Circuit CheckUKS001NH
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.

Page 2366 of 3419

INFINITI QX4 2005  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-87
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Revision: October 20052005 QX56
Front Air Control Circuit CheckUKS001NJ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the ne

Page 2367 of 3419

INFINITI QX4 2005  Factory Service Manual LAN-88
[CAN]
CAN SYSTEM (TYPE 2)
Revision: October 20052005 QX56
IPDM E/R Circuit CheckUKS001NL
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check te

Page 2368 of 3419

INFINITI QX4 2005  Factory Service Manual CAN SYSTEM (TYPE 2)
LAN-89
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Revision: October 20052005 QX56
2. CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, check
continuit