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Navigation System22B-1
Symptom Troubleshooting22B-16 |
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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.
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Is the fuse OK?
Yes : Reinstall the fuse, and go to step 3.
No : Replace the fuse, and recheck.
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- 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.
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Is there battery voltage?
Yes : Go to step 6.
No : Repair open in the wire between the fuse/relay box and the AVN unit.
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- 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).
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22B-17
Is there continuity?
Yes : Go to step 9.
No : Repair open in the wire between the AVN unit and body ground (G502).
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- 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).
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No : Replace the AVN unit.
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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.
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No : Replace the AVN unit.
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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.
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No : Check that nothing is blocking the GPS antenna located under the dash board, and recheck where nothing can block the GPS satellite signal.
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Audio driving instructions cannot be heard
Is it set to OFF?
Yes : Set the volume to an audible level.
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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.
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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.
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Is the speaker OK?
Yes : Replace the AVN unit.
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No : Replace the speaker.
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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.
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No : Check the VSP circuit. If the circuit is OK, replace the AVN unit.
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Navigation System22B-1
Symptom Troubleshooting22B-16 |
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