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. ■