( TL19E00J10300000000FAAT16 )

Audio System Symptom Troubleshooting - Security indicator does not work properly

Security indicator does not work properly
NOTE:

- The system will not operate without the 4-digit security (anti-theft) code.
- Before troubleshooting, confirm that a 4-digit security (anti-theft) code is recorded.

1. Turn off the audio system.

Is the security indicator (LED) on (blink)?

YES | - | Go to Step 2 .
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. If the symptom is still present, substitute a known-good audio switch panel, and recheck. If the symptom/indication goes away, replace the original audio switch panel. ■

1. Turn on the audio system.

Is the security indicator (LED) out?

YES | - | The audio unit is OK at this time. Check for loose or poor connections at audio unit and audio panel.■
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. If the symptom is still present, substitute a known-good audio/navigation switch panel, and recheck. If the symptom/indication goes away, replace the original audio/navigation switch panel. ■