Diagnosis Procedure

Perform self - diagnosis function. Refer to DIAGNOSIS DESCRIPTION  (WITHOUT ACCS) or DIAGNOSIS DESCRIPTION  (WITH ACCS).

Is the inspection result normal?

YES 

GO TO STEP 5  .

NO 

GO TO STEP 2  .

Check voltage between air mix door motor (driver side) harness connector and ground.

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair harness or connector.

Confirm A/C LAN signal between air mix door motor (driver side) harness connector and ground using an oscilloscope.

(+)		(-)		Voltage
Air mix door motor (driver side)		-
Connector	Terminal
M252	3	Ground		Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Repair harness or connector.

1. Turn ignition switch OFF.
2. Disconnect air mix door motor (driver side) connector.
3. Check continuity between air mix door motor (driver side) harness connector and ground.

   Air mix door motor (driver side)		-		Continuity
   Connector	Terminal
   M252	2	Ground		Existed

Is the inspection result normal?

YES 

Replace air mix door motor (driver side).

NO 

Repair harness or connector.

Check air mix door motor is properly installed (driver side). Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

Is it installed normally?

YES 

INSPECTION END

NO 

Repair or replace air mix door motor (driver side).