Diagnosis Procedure
WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
- Harness connector M7
- Harness connector B1
Is the inspection result normal?
YES: GO TO 2.
NO: Repair the terminal and connector.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the following harness connectors.
- Unified meter and A/C amp.
- Harness connectors M7 and B1
- Check the continuity between the unified meter and A/C amp. harness connector and the harness connector.
CONTINUITY SPECIFICATIONUnified meter and A/C amp. harness connector Harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. M67 56 M7 34 Existed 72 35 Existed Is the inspection result normal?
YES: GO TO 3.
NO: Repair the main line between the unified meter and A/C amp. and the harness connector M7.
- Disconnect the following harness connectors.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the harness connectors B11 and B460.
- Check the continuity between the harness connectors.
CONTINUITY SPECIFICATIONHarness connector Harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. B1 34 B11 3 Existed 35 19 Existed 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 unified meter and A/C amp. and the driver seat control unit.
NO: Repair the main line between the harness connectors B1 and B11.