Diagnostic Procedure

Step	INSPECTION		Action
1	INSPECT THE CD Clear the DTC from the audio unit memory. (See CLEARING DTC [AUDIO] .) Insert a playable CD with the title surface facing upward. NOTE: Refer to the following for a playable CD. (See REFERENCE [CD PLAYER/CHANGER] .) Play the CD for 12 s or more . Perform the audio unit DTC inspection. (See DTC INSPECTION [AUDIO] .) Is the same DTC present?	Yes	Replace the audio unit, then go to the next step. (See AUDIO UNIT REMOVAL/INSTALLATION .)
1		No	Go to the next step.
2	VERIFY THAT NO OTHER DTCs ARE RECORDED Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [AUDIO] .)
2		No	DTC troubleshooting completed.