Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
- ECM
- ADAS control unit
- Harness connectors B208 and B32

Check the continuity between the harness connector and the ADAS control unit harness connector.

Harness connector		ADAS control unit harness connector		Continuity
Connector No.	Terminal No.	Connector No.	Terminal No.
B32	5	B89	9	Existed
	4		10	Existed

Is the inspection result normal?

YES

Check CAN system type decision again.

YES

Error was detected in the main line between the driver seat control unit and the ADAS control unit.

Repair the main line between the harness connector B32 and the ADAS control unit.