Navigation System22B-1
Symptom Troubleshooting22B-16 |
Symptom Troubleshooting22B-16
No picture is shown on the display
Is the fuse OK?
Yes : Reinstall the fuse, and go to step 2.
No : Replace the fuse, and recheck.
Is the fuse OK?
Yes : Reinstall the fuse, and go to step 3.
No : Replace the fuse, and recheck.
- Turn the ignition switch ON (II).
- Measure the voltage between body ground and AVN unit connector A (12P) terminals No. 1 and No. 2 individually.
Is there battery voltage?
Yes : Go to step 5.
No : Repair open in the wire between the fuse/relay box and the AVN unit.
Is there battery voltage?
Yes : Go to step 6.
No : Repair open in the wire between the fuse/relay box and the AVN unit.
- Turn the ignition switch OFF.
- Check for continuity between AVN unit connector A (12P) terminal No. 4 and body ground.
Is there continuity?
Yes : Go to step 8.
No : Repair open in the wire between the AVN unit and body ground (G502).
22B-17
Is there continuity?
Yes : Go to step 9.
No : Repair open in the wire between the AVN unit and body ground (G502).
- Perform the forced starting of display (see page 22B-40) .
Is the diagnosis menu of the picture diagnosis displayed?
Yes : Perform the System Links Test in the Picture Diagnosis Test menu (see page 22B-26).
No : Replace the AVN unit.
The picture is missing a Red, Green or Blue color or tone
- Perform the start-up procedure (see page 22B-27) . Select the Monitor Check then select the RGB Color (see page 22B-31) .
Are the Red, Green, and Blue colored circles shown?
Yes : Select the Return. Select the Color Change, and then Select the Default to restore the standard color settings.
No : Replace the AVN unit.
Symptom Troubleshooting (cont'd)22B-18
Satellite mark in the GPS mark is not indicated
- Perform the System Link check under the picture diagnosis (see page 22B-26) .
Is ''NG'' indicated?
Yes : Repair as indicated by the system link check.
No : Check that nothing is blocking the GPS antenna located under the dash board, and recheck where nothing can block the GPS satellite signal.
Audio driving instructions cannot be heard
Is it set to OFF?
Yes : Set the volume to an audible level.
No : Go to step 2.
- Perform the System Link check under the picture diagnosis (see page 22B-26) .
Can the sound be heard?
Yes : The system is OK at this time.
No : Go to step 3.
Are the circuits OK?
Yes : Go to step 4.
No : Repair open or short to body ground in the wire speaker circuits.
Is the speaker OK?
Yes : Replace the AVN unit.
No : Replace the speaker.
22B-19
Vehicle position does not move on the map
- Start the engine.
- Perform the Car Status Test under the Picture Diagnosis Test menu (see page 22B-26) .
Is there vehicle speed pulse signal?
Yes : Replace the AVN unit.
No : Check the VSP circuit. If the circuit is OK, replace the AVN unit.
Navigation System22B-1
Symptom Troubleshooting22B-16 |