Radio Remote Switch Does Not Work Properly

Radio remote switch does not work properly

1. Test the radio remote switch.

Is the radio remote switch OK?

YES - Go to step 2.

NO - Replace the radio remote switch.

2. Remove the audio-HVAC display module.







3. Measure resistance between the A3 and A11 terminals as specified in the check list.

Is resistance OK?

YES - Go to step 4.

NO - Repair open or high resistance in the circuit between the audio unit and the radio remote switch. If the wires are OK, replace the cable reel.




4. Check for continuity between body ground and terminals A3 and A11 individually.

Is there continuity?

YES - Repair the short to body ground in the circuit between the audio unit and the radio remote switch. If the wires are OK, replace the cable reel.

NO - Replace the audio-HVAC display module.