8001 External Harman 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 - 8001 EXTERNAL HARMAN AMPLIFIER
| Work instruction | Display OK | If not OK | ||
|---|---|---|---|---|
| 1 | Check battery |
|
Step 2 | Charge or replace battery -> End |
| 2 | Check fuse |
|
Step 3 | Replace fuse -> End |
| 3 | Check input voltage at pin 30 |
|
Battery voltage Step 4 |
Corrosion in the plug connection or contact resistance in the supply lead. Check and repair wiring harness -> End |
| 4 | Check ground points |
|
< 0.5 -> End |
Check ground points or Repair wiring harness. -> End |