8001 CD changer: Diagnosis/troubleshooting

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSIS/TROUBLESHOOTING (8001 CD CHANGER)

Work instruction			Display OK	If not OK
1	Audio CD damaged or inserted incorrectly	Replace audio CD	-> End	Step 2
2	Check battery	Check battery charging condition.	Step 3	Charge or replace battery -> End
3	Check fuses	Check fuse E6 on CD changer. Check fuse D8 on radio.	Step 4	Replace fuse -> End
4	Check input voltage at pin 30 +	Switch off ignition Pull off plug A on the CD changer Switch on ignition Measure voltage on plug A of the CD changer between pins 1 and 2	Battery voltage Step 5	Corrosion in the plug connection or contact resistance in the supply lead Check and repair wiring harness -> End
5	Check ground points	Measure resistance on plug A of the CD changer between pin 2 and ground	< 5 Step 6	Check or repair wiring harness -> End
6	Replace the CD changer		-> End