Diagnostic Procedure

STEP	INSPECTION		ACTION
1	Inspect the operation of the audio system other than CD player/changer (e.g. Radio). Does other audio system operate?	Yes	Go to Step 3.
1		No	Go to the next step.
2	Switch the ignition OFF (LOCK). Inspect the connection of the audio unit connector (24-pin). Inspect both audio unit connector and wiring harness-side connector for poor connection. (such as damaged/bent/pulled-out pins, corrosion) All the pins and connector normal?	Yes	Go to the next step.
2		No	If the audio unit connector/pin is wrong: Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .) If the wiring harness-side connector/pin is wrong: Repair or replace the pins and/or the connector.
3	Eject the CD. Is the CD ejected from the CD player/changer?	Yes	Go to the next step.
3		No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)
4	Insert the CD into the CD player/changer. Does the CD insert into the CD player/changer smoothly?	Yes	Go to the next step.
4		No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)
5	Is the CD ejected from the CD player/changer?	Yes	Troubleshooting completed. Explain repairs to the customers.
5	Is the CD ejected from the CD player/changer?	No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)