Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. CHECK POWER SUPPLY
   
   

   Check if the following fuse in the fuse block (J/B) is blown.

   COMPONENT PARTS	AMPERE	FUSE NO.
   Fuse block (J/B)	10A	22

   Is the inspection result normal?

   YES 

   GO TO STEP 2  .

   NO 

   If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
   
   
   1. Turn ignition switch OFF.
   2. Disconnect door mirror LH.
   3. Turn ignition switch ON.
   4. Check voltage between door mirror LH connector D6 terminal 7 and ground.

   (+)		(-)	Condition		Voltage (V) (Approx.)
   Door mirror LH
   Connector	Terminal
   D6	7	Ground	Rear window defogger switch	ON	Battery voltage
   				OFF	0

   Is the inspection result normal?

   YES 

   GO TO STEP 3  .

   NO 

   Repair or replace harness.

3. CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
   
   
   1. Turn ignition switch OFF.
   2. Check continuity between door mirror LH connector and ground.

      Door mirror LH		Ground	Continuity
      Connector	Terminal
      D6	19		Yes

   Is the inspection result normal?

   YES 

   GO TO STEP 4. 

   NO 

   Repair or replace harness.

4. CHECK DOOR MIRROR DEFOGGER LH
   
   

   Check door mirror defogger LH.

   Refer to COMPONENT INSPECTION .

   Is the inspection result normal?

   YES 

   GO TO STEP 5  .

   NO 

   Replace door mirror LH. Refer to REMOVAL AND INSTALLATION .

5. CHECK INTERMITTENT INCIDENT
   
   

   Check intermittent incident.

   Refer to INTERMITTENT INCIDENT .

   Is the inspection result normal?

   YES 

   Check the following:

   • Battery power supply circuit
   • Fuse block (J/B)

   NO 

   Repair or replace the malfunctioning parts.