800A External BOSE amplifier: Diagnosis/troubleshooting
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS/TROUBLESHOOTING - 800A EXTERNAL BOSE AMPLIFIER
| Work instruction | Display OK | If not OK | ||
|---|---|---|---|---|
| 1 | Check wiring harness to the microphone |
|
< 0.5 Step 9 |
Step 2 |
| 2 | Check wire between amplifier and microphone |
|
< 0.5 Step 3 |
Open circuit in the wire/short circuit to ground; Repair wiring harness -> End |
| 3 | Check wire between amplifier and microphone |
|
< 0.5 Step 4 |
Open circuit in the wire/short circuit to ground; Repair wiring harness -> End |
| 4 | Check line for short circuit to ground |
|
0.5 Step 5 |
Open circuit in the wire/short circuit to ground; Repair wiring harness -> End |
| 5 | Check line for short circuit to ground |
|
0.5 Step 6 |
Open circuit in the wire/short circuit to ground; Repair wiring harness -> End |
| 6 | Check line for short circuit to B+ |
|
0 V Step 7 |
Open circuit in the wire/short circuit to ground; Repair wiring harness -> End |
| 7 | Check line for short circuit to B+ |
|
0 V Step 8 |
Open circuit in the wire/short circuit to ground; Repair wiring harness -> End |
| 8 | Replace microphone | Replace microphone | -> End | |
| 9 | Replace BOSE amplifier control module | Replace BOSE amplifier control module | -> End | |