1.CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect door mirror (passenger side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (passenger side) harness connector and ground.

   (+) | (–) | Condition | Voltage (V) (Approx.)
   Door mirror (Passenger side)
   Connector | Terminal
   D33 | 1 | Ground | Rear window defogger switch: ON | Battery voltage
   Rear window defogger switch: OFF | 0

Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 2.
2.CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) connector.
3. Check continuity between fuse block (J/B) harness connector and door mirror (passenger side) harness connector.

   Fuse block (J/B) | Door mirror (passenger side) | Continuity
   Connector | Terminal | Connector | Terminal
   M3 | 9C | D33 | 1 | Existed

Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness between fuse block (J/B) and door mirror (passenger side).
3.CHECK FUSE BLOCK (J/B) OUTPUT SIGNAL

1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) harness connector and ground.

   (+) | (–) | Condition | Voltage (V) (Approx.)
   Fuse block (J/B)
   Connector | Terminal
   M3 | 9C | Ground | Rear window defogger switch: ON | Battery voltage
   Rear window defogger switch: OFF | 0

Is the inspection result normal?
YES>>GO TO 5.
NO>>Replace fuse block (J/B).
4.CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.
2. Check continuity between door mirror (passenger side) harness connector and ground.

   Door mirror (passenger side) | Ground | Continuity
   Connector | Terminal
   D33 | 5 | Existed

Is the inspection result normal?
YES>>Replace door mirror glass (passenger side). Refer to Disassembly and Assembly.
NO>>Repair or replace harness between door mirror (passenger side) and ground.
5.CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to Intermittent Incident
>>INSPECTION END