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Home >> Infiniti >> 2010 >> QX56 AWD V8-5.6L (VK56DE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Main Line Between AV and DLC Circuit
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Main Line Between AV and DLC Circuit





MAIN LINE BETWEEN AV AND DLC CIRCUIT


Diagnosis Procedure

1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the following harness connectors.
- ECM
- AV control unit
4. Check the continuity between the AV control unit harness connector and the data link connector.





Is the inspection result normal?
YES (Present error)-Check the following items again.
- Decision of CAN system type.
- Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR ("ECU list" included)].
- Procedure for detecting root cause.
YES (Past error)-Error was detected in the main line between the AV control unit and the data link connector.
NO - Repair the main line between the AV control unit and the data link connector.
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