Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM - JAPAN PRODUCTION , or WIRING DIAGRAM - USA PRODUCTION .

1. CHECK DOOR MIRROR LH SENSOR SIGNAL
   
   
   1. Turn ignition switch to ACC.
   2. Check voltage between door mirror LH harness connector and ground.

      (+)		(-)	Condition		Voltage (V) (Approx.)
      Door mirror LH
      Connector	Terminal
      D16	1	Ground	Door mirror LH	Close to peak	3.4
      				Close to valley	0.6
      	9			Close to right edge	3.4
      				Close to left edge	0.6

   Is the inspection result normal?

   YES 

   GO TO STEP 5. 

   NO 

   GO TO STEP 2. 

2. CHECK DOOR MIRROR LH SENSOR CIRCUIT 1
   
   
   1. Turn ignition switch OFF.
   2. Disconnect automatic drive positioner control unit and door mirror LH connector.
   3. Check continuity between automatic drive positioner control unit harness connector and door mirror LH harness connector.

      Automatic drive positioner control unit		Door mirror LH		Continuity
      Connector	Terminal	Connector	Terminal
      M99	6	D16	1	Yes
      	18		9

   4. Check continuity between automatic drive positioner control unit harness connector and ground.

      Automatic drive positioner control unit		Ground	Continuity
      Connector	Terminal
      M99	6		No
      	18

   Is the inspection result normal?

   YES 

   GO TO STEP 3. 

   NO 

   Repair or replace harness.

3. CHECK DOOR MIRROR LH SENSOR CIRCUIT 2
   
   
   1. Check continuity between automatic drive positioner control unit harness connector and door mirror LH harness connector.

      Automatic drive positioner control unit		Door mirror LH		Continuity
      Connector	Terminal	Connector	Terminal
      M99	20	D16	11	Yes
      	21		3

   2. Check continuity between automatic drive positioner control unit harness connector and ground.

      Automatic drive positioner control unit		Ground	Continuity
      Connector	Terminal
      M99	20		No
      	21

   Is the inspection result normal?

   YES 

   GO TO STEP 4. 

   NO 

   Repair or replace harness.

4. CHECK TILT MOTOR ADJUSTING OPERATION
   
   
   1. Connect automatic drive positioner control unit and door mirror LH.
   2. Turn ignition switch ON.
   3. Check tilt motor adjusting operation with memory function.

   Is the operation normal?

   YES 

   Replace door mirror actuator. (Built in door mirror LH). Refer to REMOVAL AND INSTALLATION .

   NO 

   Replace automatic drive positioner control unit. Refer to REMOVAL AND INSTALLATION .

5. CHECK INTERMITTENT INCIDENT
   
   

   Refer to INTERMITTENT INCIDENT .

   Is the inspection result normal?

   YES 

   Replace automatic drive positioner control unit. Refer to REMOVAL AND INSTALLATION .

   NO 

   Repair or replace the malfunctioning part.