No Picture Is Displayed

No picture is displayed

NOTE: Always check the connectors for poor connections or loose terminals between the audio unit, CD changer, and navigation unit.

1. Check the 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, and reinstall the fuse if it is OK.

Is the fuse OK?

YES - Go to step 2.

NO - Replace the fuse and recheck.

2. Turn the ignition switch to ACC (I).
3. Operate the radio, and listen to the audio.

Can audio be heard?

YES - Go to step 4.

NO - Refer to audio system troubleshooting.

4. Turn the ignition switch ON (II).




5. Measure the voltage between navigation unit connector A (17P) terminal No. 14 and body ground, and between terminal No. 17 and body ground.

Is there battery voltage on both terminals?

YES - Go to step 6.

NO - Repair open in the wire between the under-dash fuse/relay box and the navigation unit.




6. Check for voltage between the navigation unit connector A (17P) terminal No. 9 and body ground, between navigation unit connector B (22P) terminal No. 15 and body ground, and between navigation unit connector C (12P) terminal No. 4 and body ground.

Is there less than 0.1 V?

YES - Replace the navigation unit.

NO - Repair the open in the wire between the navigation unit and body ground (G501, G504, G505).