8014 External BOSE amplifier: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING (8014 EXTERNAL BOSE AMPLIFIER)
| Work instruction |
Display OK |
If not OK |
| 1 |
Check wiring harness and rear right loudspeaker |
- Connect and start the Porsche System Tester II 9588 and switch on the ignition.
- Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key.
- Select PCM in the Control units menu and confirm with the "FORWORD" key.
- Select External BOSE amplifier in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key.
- Select Fault memory in the 911 (996) external BOSE amplifier function selection and confirm with the "FORWORD" key.
- Read out fault memory.
- Erase fault memory.
- Remove ignition key and switch on ignition again.
- Read out fault memory.
- Extract ambient data, press the "FORWORD" key.
|
-> End |
Fault code is still displayed
Step 2 |
| 2 |
Check the rear left and right wiring harness and loudspeakers |
- Switch off ignition.
- Pull off plug A on the amplifier.
- Check resistance on plug A, pins 23 and 28.
|
= 5
Step 6 |
Step 3 |
| 3 |
Check the wiring harness to the rear left and right loudspeakers |
- Pull off the plugs on the loudspeakers.
- Check the resistance in the wire between pin 23 on plug A of the amplifier and pin 3 of the plug for the rear left and right loudspeakers.
|
< 5
Step 4 |
Open circuit in the wire/short circuit to ground. Repair wiring harness
-> End |
| 4 |
Check the wiring harness to the rear left and right loudspeakers |
- Check the resistance in the wire between pin 28 on plug A of the amplifier and pin 4 of the plug for the rear left and right loudspeakers.
|
< 5
Step 5 |
Open circuit in the wire/short circuit to ground. Repair wiring harness
-> End |
| 5 |
Replace the rear left and right loudspeakers |
-> End |
Step 6 |
| 6 |
Replace amplifier |
-> End |
|