8001 External Harman amplifier: Diagnosis/troubleshooting
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 or repair wiring harness -> End |