Diagnosis system (driver seat C/U)
U1000 CAN comm circuitAMP on signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the AV
control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
Turn audio system ON.
Check v ...
Rear window defogger and door mirror defogger do not
operate
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 CIR ...
Front door speaker
Description
The audio unit sends audio signals to the front door speakers using the front
door speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
...