Symptom Troubleshooting

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 Testing and Inspection.
- Check the connectors for poor connections or loose terminals.

1. Check the No. 7 (7.5 A) fuse and the No. 32 (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 6.

4. Reinsert the navigation DVD into the navigation unit.

Does the navigation unit accept the navigation DVD?

YES -

No problems at this time, the system is normal. 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) terminals No. 1 and No. 2 individually.





Is there battery voltage?

YES -

Go to step 6.

NO -

Repair an open in the wire(s) between navigation unit connector A (8P) terminal No. 1 and the No. 7 (7.5 A) fuse in the under-dash fuse/relay box or the navigation unit connector A (8P) terminal No. 2 and the No. 32 (7.5 A) fuse in the under-dash fuse/relay box.

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





Is there less than 0.2 V or less?

YES -

Replace the navigation unit Service and Repair.�

NO -

Repair an open or high resistance in the wire between navigation unit connector A (8P) and body ground (G501).�