Audio System Information Does Not Display On the Audio-Navigation Switch Panel Display (With Navigation)

Symptom Troubleshooting: Audio system information does not display on the audio-navigation switch panel display

Audio system information does not display on the audio-navigation switch panel display (with navigation)

NOTE:

- Check the vehicle battery condition first.

- Check the connectors for poor connections or loose terminals.

1. Remove the audio-navigation switch panel. Audio-Navigation Switch Panel Removal/Installation (With Navigation)

2. Check the connections at the audio-navigation switch panel 24P connector and audio-navigation unit connector F (12P).

Are the connectors and terminals connected properly?
YES - Go to step 3.

NO - Repair the connection, and recheck.


3. Disconnect the audio-navigation switch panel 24P connector.

4. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

5. Measure the voltage between audio-navigation switch panel 24P connector terminals No. 21 and No. 22 and body ground individually.

Is there battery voltage?
YES - Go to step 6.

NO - Repair open in the wire between No. 15 (10 A) fuse in the under-hood fuse/relay box and audio-navigation switch panel 24P connector terminal No. 22, or repair open in the wire between the No. 16 (7.5 A) fuse in the driver's under-dash fuse/relay box and the audio-navigation switch panel 24P connector terminal No. 21.






6. Measure the voltage between audio-navigation switch panel 24P connector terminal No. 10 and body ground.

Is there less than 0.1 V?
YES - Go to step 7.

NO - Repair open in the wire between audio-navigation switch panel 24P connector terminal No 10 and body ground (G501).. Audio Wire Harness Connector And Harness Locations






7. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

8. Disconnect audio-navigation unit connector F (12P).

9. Check for continuity between audio-navigation unit connector F (12P) and the audio-navigation switch panel 24P connector according to the table.





Is there continuity?
YES - Go to step 10.

NO - There is an open in the wire(s) between the audio-navigation unit and the audio-navigation switch panel. Repair or replace the affected shielded harness.






10. Check for continuity between the terminals of the audio-navigation switch panel 24P connector and body ground according to the table.





Is there continuity?
YES - There is a short in the wires between the audio-navigation unit and the audio-navigation switch panel. Repair or replace the affected shielded harness.

NO - Go to step 11.






11. Check for continuity between the terminals of audio-navigation switch panel 24P connector according to the table.





Is there continuity between any of the terminals?
YES - There is a short in the wires between the audio-navigation unit and the audio-navigation switch panel. Replace the affected shielded harness.

NO - Substitute a known-good audio-navigation switch panel, Audio-Navigation Switch Panel Removal/Installation (With Navigation) and recheck. If the symptom/indication goes away, replace the original audio-navigation switch panel. If the symptom is still present, substitute a known-good audio-navigation unit, Audio-Navigation Unit Removal/Installation (With Navigation) and recheck. If the symptom/indication goes away, replace the original audio-navigation unit.