Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. 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
- IPDM E/R
- ABS Actuator And Electric Unit (Control Unit)

Check the continuity between the IPDM E/R harness connector and the ABS Actuator And Electric Unit (Control Unit) harness connector.

IPDM E/R harness connector		ABS Actuator And Electric Unit (Control Unit) harness connector		Continuity
Connector No.	Terminal No.	Connector No.	Terminal No.
E122	41	E125	41	Existed
	40		27	Existed

Is the inspection result normal?

YES

Check CAN system type decision again.

YES

Error was detected in the main line between the IPDM E/R and the ABS Actuator And Electric Unit (Control Unit).

Repair the main line between the IPDM E/R and the ABS Actuator And Electric Unit (Control Unit).