Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. 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.

USA and Canada

IPDM E/R harness connector		ABS actuator and electric unit (control unit) harness connector		Continuity
Connector No.	Terminal No.	Connector No.	Terminal No.
E119	29	E168	19	Existed
	28		30	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).