Audio Unit Frequently Asks For the Anti-Theft Code
Audio unit frequently asks for the anti-theft codeNOTE:
- Check the vehicle battery condition first.
- Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to LOCK (0).
2. Remove the audio-HVAC display module assembly.
NOTE: Eject all the discs before removing the audio unit to prevent damaging the CD/DVD player's load mechanism.
3. Measure the voltage between audio unit connector A (20P) terminal No. 10 and body ground.
Is there battery voltage?
YES - Check for an intermittent open in the wire between the under-dash fuse/relay box and audio unit connector A (20P) terminal No. 10. If the wires is OK, go to step 4.
NO - Repair open in the wire between the under-dash fuse/relay box and audio unit connector A (20P) terminal No. 10.
4. Turn the ignition switch to ON (II).
5. Measure the voltage between audio unit connector A (20P) terminal No. 20 and body ground.
Is there less than 0.1 V?
YES - Check for an intermittent open in the wire between the audio unit connector A (20P) terminal No. 20 and body ground (G504). If the wire is OK, replace the audio unit.
NO - Repair open in the wire between the audio unit connector A (20P) terminal No. 20 and body ground (G504).