How To Proceed With Troubleshooting

HINT:

In accordance with the following procedures, troubleshoot the audio and visual system.

VEHICLE BROUGHT TO WORKSHOP

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INSPECT BATTERY VOLTAGE

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Standard voltage: 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

BASIC INSPECTION

(a) Turn the ignition switch to ACC.

(b) Check whether the display appears on the radio receiver.

Result

Proceed to

Display appears

A

Display does not appear

B

PROCEED TO PROBLEM SYMPTOMS TABLE

PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault not listed in problem symptoms table

A

Fault listed in problem symptoms table

Go to step 6

OVERALL ANALYSIS AND TROUBLESHOOTING

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(a) Terminals of ECU (See page AV-14)

(b) Inspection (See page AV-159, AV-172)

ADJUST, REPAIR OR REPLACE

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CONFIRMATION TEST

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