Description

Audio amplifier internal malfunction

Detection condition

• Audio amplifier internal malfunction detected

Fail-safe

Not applicable

Possible cause

• Audio amplifier malfunction

System wiring diagram

Not applicable

Step

Inspection

Action

1

• Clear the DTC for the audio amplifier using the M-MDS.

  (See CLEARING DTC [AUDIO AMPLIFIER].)

• Retrieve the audio amplifier DTCs using the M-MDS.

  (See DTC INSPECTION [AUDIO AMPLIFIER].)

• Is the same DTC displayed?

Yes

Replace the audio amplifier, then go to the next step.

(See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)

No

Go to the next step.

2

• Are any other DTCs displayed?

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [AUDIO AMPLIFIER].)

No

DTC troubleshooting completed.