Navigation Display Stays on With Ignition Switch OFF
Navigation display stays on with ignition switch OFFNOTE:
- Check for after market accessories.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, get the navigation system anti-theft codes.
- After troubleshooting, enter the anti-theft code, and initialize the navigation system.
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.
2. Turn the ignition switch to ON (II).
3. Check the display panel status.
Is there only a dim backlight visible on the display panel with no image?
YES - Go to step 4.
NO - Go to step 7.
4. Turn the ignition switch to LOCK (0).
5. Remove the audio-HVAC display module assembly, and disconnect display panel control unit connector A (22P).
NOTE: Eject all the discs before removing the audio unit to prevent damaging the CD/DVD player's load mechanism.
6. Measure the voltage between display panel control unit connector A (22P) terminal No. 9 and body ground.
Is there battery voltage?
YES - Repair short to power in the wire.
NO - Replace the display panel control unit.
7. Turn the ignition switch to LOCK (0).
8. Disconnect Navigation unit connector C (8P).
9. Measure the voltage between navigation unit connector C (8P) terminal No. 2 and body ground.
Is there battery voltage?
YES - Repair short to power in the wire.
NO - Replace the navigation unit.