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.
- Check the connectors for poor connections or loose terminals.

1. Check No. 23 (10 A) fuse in the under-hood fuse/relay box and No. 35 (7.5 A) fuse in the under-dash fuse/relay box.

Are the fuses OK?

YES -

Go to step 2.

NO -

Replace the blown fuse(s), and recheck.

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 problem, 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 navigation unit connector A (8P) terminal No. 4 and body ground.





Is there less than 0.2 V?

YES -

Go to step 6.

NO -

Repair an open or high resistance in the BLK wire between navigation unit connector A (8P) and body ground (G503).

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





Is there battery voltage?

YES -

Replace the navigation unit Service and Repair.

NO -

Repair an open in the wire between navigation unit connector A (8P) terminal No. 1 and the No. 23 (10 A) fuse in the under-hood fuse/relay box, or the navigation unit connector A (8P) terminal No. 2 and the No. 35 (7.5 A) fuse in the under-dash fuse/relay box.