Navigation Display Stays on With Ignition Switch OFF
Navigation display stays on with ignition switch OFFNOTE:
- Check for aftermarket accessories.
- Always 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. Check the display panel status.
Is there only a dim backlight visible on the display panel with no image?
YES - Go to step 3.
NO - Go to step 5.
3. Disconnect display panel control unit connector A (22P).
4. 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.
5. Disconnect Navigation unit connector C (8P).
6. 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.