Operation CHARM: Car repair manuals for everyone.

Remote Radio Switches Inoperative (If Equipped)

Tests 1 - 3:




Tests 4 - 8:




Tests 9 - 12:




Test 13:





SYMPTOM
REMOTE RADIO SWITCHES INOPERATIVE (IF EQUIPPED)

POSSIBLE CAUSES
- Attempt to communicate with the radio
- Check operation of switches
- Left remote radio switch shorted to ground
- Right remote radio switch shorted to ground
- Radio control MUX circuit shorted to ground at the switch
- Radio control MUX circuit shorted to the ground circuit at the switch
- Clockspring shorted to ground
- Radio control MUX circuit shorted to ground
- Central timer module - internal short
- Clockspring open
- Ground circuit open
- Open radio control MUX circuit
- Central timer module - open internal