Nissan Murano: Power Supply and Ground Circuit / Intake Door Motor

Diagnosis Procedure

CHECK INTAKE MODE DOOR MOTOR POWER SUPPLY

1. Ignition switch ON.

2. Check voltage between intake mode door motor harness connector and ground.

   +		−		Voltage (Approx.)
   Intake mode door motor
   Connector	Terminal
   M153	1	Ground		Battery voltage

Is the inspection result normal?

GO TO 2.

GO TO 4.

CHECK INTAKE MODE DOOR MOTOR GROUND CIRCUIT

1. Ignition switch OFF.

2. Disconnect intake mode door motor connector.

3. Check continuity between intake mode door motor harness connector and ground.

   Intake mode door motor		—		Continuity
   Connector	Terminal
   M153	2	Ground		Yes

Is the inspection result normal?

GO TO 3.

Repair harness or connector.

CHECK INSTALLATION OF INTAKE MODE DOOR MOTOR

Check intake mode door motor is properly installed. Refer to Exploded View.

Is the inspection result normal?

Replace intake mode door motor. Refer to Removal and Installation.

Repair or replace malfunctioning part.

CHECK INTAKE MODE DOOR MOTOR POWER SUPPLY CIRCUIT

1. Ignition switch OFF.

2. Disconnect intake mode door motor connector and A/C auto amp. connector.

3. Check continuity between intake mode door motor harness connector and A/C auto amp. harness connector.

   Intake mode door motor		A/C auto amp.		Continuity
   Connector	Terminal	Connector	Terminal
   M153	1	M50	17	Yes

Is the inspection result normal?

Replace A/C auto amp. Refer to Removal and Installation.

Repair harness or connector.