Description

Audio unit internal malfunction

Detection condition

Audio unit detects CD drive mechanism malfunction

Fail-safe function

Not applicable

Possible cause

• CD insertion direction mistaken

• CD scratching or soiling

• Incompatible CD used

• Audio unit malfunction

System wiring diagram

Not applicable

Step

Inspection

Action

1

INSPECT FOR MISTAKEN CD INSERTION DIRECTION

• Verify the CD insertion direction.

• Is the CD inserted with the printed label pointed up?

Yes

Go to Step 3.

No

Insert the CD with the printed label pointed up, then go to the next step.

2

PERFORM DTC INSPECTION AND VERIFY IF CD IS MALFUNCTIONING PART

• Clear the audio unit DTCs.

  (See CLEARING DTC [AUDIO].)

• Perform the audio unit DTC inspection.

  (See DTC INSPECTION [AUDIO].)

• Is the same DTC displayed?

Yes

Go to the next step.

No

Go to Step 6.

3

CD INSPECTION

• Verify on another vehicle of the same model (model/unit) using the CD in which the malfunction occurred.

• Does the CD play?

Yes

Go to the next step.

No

Replace the CD, then go to the next step.

NOTE:

• Refer to the following for a playable CD.

  (See REFERENCE [CD PLAYER].)

4

PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS AUDIO UNIT

• Clear the audio unit DTCs.

  (See CLEARING DTC [AUDIO].)

• Play the CD for 12 s or more.

• Perform the audio unit DTC inspection.

  (See DTC INSPECTION [AUDIO].)

• Is the same DTC displayed?

Yes

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

No

Go to the next step.

5

VERIFY THAT REPAIRS HAVE BEEN COMPLETED

• Clear the audio unit DTCs.

  (See CLEARING DTC [AUDIO].)

• Perform the audio unit DTC inspection.

  (See DTC INSPECTION [AUDIO].)

• Is the same DTC displayed?

Yes

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

(See AUDIO UNIT REMOVAL/INSTALLATION.)

No

Go to the next step.

6

VERIFY IF OTHER DTCs DISPLAYED

• Are any other DTCs displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [AUDIO].)

No

DTC troubleshooting completed.