( TL19E00J10300000000FAAT22 )

Audio System Symptom Troubleshooting - Audio remote switch does not work properly

1. Check for continuity between body ground and the terminals No. 5 and No. 16 of audio unit connector A (24P) individually.

Is there continuity?

YES | - | Repair short to body ground in the circuit between the audio unit and the audio remote switch. If the wires are OK, replace the cable reel. ■
NO | - | Substitute a known-good audio unit with navigation system , without navigation system , and recheck. If the symptom/indication goes away, replace the original audio unit with navigation system , without navigation system. ■