Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
2. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay
3. CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown.

4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

5. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Check rear window defogger power supply and ground circuit
6. CHECK DOOR MIRROR DEFOGGER
Check door mirror defogger.
Rear window defogger does not operate but both of door
mirror defogger operateU1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, an ...
AV control unit
Removal and Installation
AV control unit
AV control unit bracket (LH)
AV control unit bracket (RH)
A/C auto amp.
Cluster lid C (with A/C and AV switch
assembly attached)
Clip
AV CONTROL UNIT
Removal
CAUTION:
Before replacing AV control unit, perform "READ CONFIGU ...
U1000 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
applications. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Modern
vehicles are equipped with many electronic control units, an ...