Nissan Murano: Power Supply and Ground Circuit / Air Mix Door Motor Lh

Diagnosis Procedure

CHECK AIR MIX DOOR MOTOR LH POWER SUPPLY

1. Ignition switch ON.

2. Check voltage between air mix door motor LH harness connector and ground.

   +		−		Voltage (Approx.)
   Air mix door motor LH
   Connector	Terminal
   M155	1	Ground		Battery voltage

Is the inspection result normal?

GO TO 2.

GO TO 4.

CHECK AIR MIX DOOR MOTOR LH GROUND CIRCUIT

1. Ignition switch OFF.

2. Disconnect air mix door motor LH connector.

3. Check continuity between air mix door motor LH harness connector and ground.

   Air mix door motor LH		—		Continuity
   Connector	Terminal
   M155	2	Ground		Yes

Is the inspection result normal?

GO TO 3.

Repair harness or connector.

CHECK INSTALLATION OF AIR MIX DOOR MOTOR LH

Check air mix door motor LH is properly installed. Refer to Exploded View.

Is the inspection result normal?

Replace air mix door motor LH. Refer to Removal and Installation - (LH).

Repair or replace malfunctioning part.

CHECK AIR MIX DOOR MOTOR LH POWER SUPPLY CIRCUIT

1. Ignition switch OFF.

2. Disconnect air mix door motor LH connector and A/C auto amp. connector.

3. Check continuity between air mix door motor LH harness connector and A/C auto amp. harness connector.

   Air mix door motor LH		A/C auto amp.		Continuity
   Connector	Terminal	Connector	Terminal
   M155	1	M50	17	Yes

Is the inspection result normal?

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

Repair harness or connector.