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Home >> Infiniti >> 2011 >> M37 V6-3.7L (VQ37VHR) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Main Line Between M&A And DLC Circuit >> CAN
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CAN


MAIN LINE BETWEEN M&A 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
- Combination meter
- Harness connectors M105 and M181
4. Check the continuity between the combination meter harness connector and the harness connector.





Is the inspection result normal?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the main line between the combination meter and the data link connector.
NO - Replace the PCB harness.
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