Diesel Data: Automotive Repair

Audio-Navigation Unit Will Not Eject Or Accept The Navigation DVD (With Navigation)




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

Audio-navigation unit will not eject or accept the navigation DVD

1. Check the No. 1 (10 A) fuse and the No. 14 (7.5 A) fuse in the under-dash fuse/relay box and the 30 A fuse (auxiliary under-dash fuse box) on the wire harness near 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 DVD from the audio-navigation unit CD, DVD, And PC Card Removal/Installation.

Does the navigation DVD eject?

YES -

Go to step 4.

NO -

Go to step 5.

4. Reinsert the audio-navigation DVD into the navigation unit.

Does the audio-navigation unit accept the navigation DVD?

YES -

No problems at this time, the system is normal. Inspect for loose or poor connections at terminals No. 14, No. 24 of audio-navigation unit connector A (24P), and No. 1 of audio-navigation unit connector C (8P).�

NO -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�

5. Measure the voltage between audio-navigation unit connector C (8P) terminal No. 1 and body ground.





Is there battery voltage?

YES -

Go to step 6.

NO -

There is an open in the PNK wire between audio-navigation unit connector C (8P) terminal No. 1 and the No. 1 (10 A) fuse in the under-dash fuse/relay box.

6. Measure the voltage between body ground and audio-navigation unit connector A (24P) terminals No. 14 and No. 24.





Is there battery voltage?

YES -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.�

NO -

There is an open in the PNK wire between audio-navigation unit connector A (24P) terminal No. 24 and No. 1 (10 A) fuse in the under-dash fuse/relay box, or between the audio-navigation unit connector A (24P) terminal No. 14 and No. 14 (7.5 A) fuse in the under-dash fuse/relay box.�