Nissan Murano: Dtc/circuit Diagnosis / Main Line Between Abs and Hvac Circuit

Diagnosis Procedure

CHECK CONNECTOR

1. Turn the ignition switch OFF.

2. Disconnect the battery cable from the negative terminal.

3. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).

   • Harness connector E152

   • Harness connector M31

Is the inspection result normal?

GO TO 2.

Repair the terminal and connector.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Disconnect the following harness connectors.

   • ABS actuator and electric unit (control unit)

   • Harness connectors E152 and M31

2. Check the continuity between the ABS actuator and electric unit (control unit) harness connector and the harness connector.

   ABS actuator and electric unit (control unit) harness connector		Harness connector		Continuity
   Connector No.	Terminal No.	Connector No.	Terminal No.
   E125	26	E152	12G	Existed
   	14		11G	Existed

Is the inspection result normal?

GO TO 3.

Repair the main line between the ABS actuator and electric unit (control unit) and the harness connector E152.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Disconnect the A/C auto amp. harness connector.

2. Check the continuity between the harness connector and the A/C auto amp. harness connector.

   Harness connector		A/C auto amp. harness connector		Continuity
   Connector No.	Terminal No.	Connector No.	Terminal No.
   M31	12G	M50	1	Existed
   	11G		21	Existed

Is the inspection result normal?

Check CAN system type decision again.

Error was detected in the main line between the ABS actuator and electric unit (control unit) and the A/C auto amp.

Repair the main line between the harness connector M31 and the A/C auto amp.