Possible DTC

Track change is inoperative

Using the M-MDS

B1D19:71

Without using M-MDS (On-board diagnostic test mode)

10:Er02

Possible cause

• Defective CD (e.g., cracked, badly bent, rough edges, scratch, dirty CD, condensation)

• Non-conventional discs (e.g., 8 cm (3 in) disc adapter, heart-shaped disc, octagonal disc)

• Audio panel switch malfunction

• Audio unit malfunction

STEP

INSPECTION

ACTION

1

• Replace the CD known to be good.

• Does the CD player change the track?

Yes

Explain to the customer that the defective CD or non-conventional disc cannot be used.

No

Go to the next step.

2

• Inspect the panel switch installation.

• Does the CD player change the track number on the display when pressing the track up or down switch?

Yes

Replace the audio unit.

(See AUDIO UNIT REMOVAL/INSTALLATION.)

No

Go to the “No.1 Audio panel switch inspection” in this section. Replace the audio panel as necessary.