Diesel Data: Automotive Repair

Navigation Unit Will Not Eject Or Accept The Navigation DVD




Navigation System Symptom Troubleshooting - Navigation unit will not eject or accept the navigation DVD

Navigation unit will not eject or accept the navigation DVD

NOTE:

- Check the vehicle battery condition first Battery Test.
- Before troubleshooting, make sure you have the 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.

1. Check the No. 15 (10 A) fuse in the under-hood fuse/relay box and the No. 18 (7.5 A) fuse in the driver's under-dash fuse/relay box.

Are the fuses OK?

YES -

Go to step 2.

NO -

Replace the fuse(s), and recheck. If the fuse blows again, check for a short in the No. 15 (10 A) fuse and/or the No. 18 (7.5 A) fuse circuit(s).

2. Turn the ignition switch to ON (II).

3. Eject the navigation DVD from the navigation unit Service and Repair.

Does the navigation DVD eject?

YES -

Go to step 4.

NO -

Go to step 5.

4. Reinsert the navigation DVD into the navigation unit.

Does the navigation unit accept the navigation DVD?

YES -

Intermittent failure. The system is OK at this time. Inspect for loose or poor connections at navigation unit connector A (8P) terminals No. 1, No. 2, and No. 4.

NO -

Replace the navigation unit Service and Repair.

5. Measure the voltage between body ground and navigation unit connector A (8P) terminal No. 1 and No. 2 individually.





Is there battery voltage?

YES -

Go to step 6.

NO -

If the+B wire does not have voltage, repair an open in the wire between the No. 15 (10 A) fuse in the under-hood fuse/relay box and the navigation unit. If the ACC wire does not have voltage, repair an open in the wire between the No. 18 (7.5 A) fuse in the driver's under-dash fuse/relay box and the navigation unit.

6. Measure the voltage between navigation unit connector A (8P) terminal No. 4 and body ground.





Is there less than 0.2 V?

YES -

Replace the navigation unit Service and Repair.

NO -

Repair an open or high resistance in the wire between the navigation unit and body ground (G651); 4-door, 2-door.