( TL19E00J36100000000FAAT21 )

Navigation System Symptom Troubleshooting - Navigation display stays on with ignition switch in LOCK (0)

Navigation display stays on with ignition switch in LOCK (0)
NOTE:

- Check for aftermarket accessories that may interfere with the navigation system.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have anti-theft codes for the audio system and the navigation system.
- After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
- The vehicle may have been used for a show event. Check for a short jumper harness in-line with the navigation unit connector C. If a jumper harness is present, remove it.

1. Remove the key from the ignition.

Does the navigation screen stay on?

YES | - | Go to Step 2 .
NO | - | The system is OK at this time.■

1. Check for battery voltage on navigation unit connector A (8P) terminal No. 2.

Is there battery voltage?

YES | - | Troubleshoot a short to battery voltage on the ACC circuit.■
NO | - | Replace the navigation unit.■