8006 External Harman amplifier: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING - 8006 EXTERNAL HARMAN AMPLIFIER
| Work instruction | Display OK | If not OK | ||
|---|---|---|---|---|
| 1 | Read out external amplifier fault memory |
|
-> End | Fault code is still displayed Step 2 |
| 2 | Check wiring harness and right door loudspeaker |
|
= 4 Step 7 |
Step 3 |
| 3 | Check wiring harness to right door loudspeaker |
|
< 0.5 Step 4 |
Repair open circuit in wiring harness ->End |
| 4 | Check wiring harness to right door loudspeaker |
|
< 0.5 Step 5 |
Repair open circuit in wiring harness -> End |
| 5 | Check wiring harness to right door loudspeaker |
|
Step 6 | Repair short circuit in wiring harness -> End |
| 6 | Check wiring harness to right door loudspeaker |
|
Step 9 | Repair short circuit to ground in wiring harness -> End |
| 7 | Check wiring harness to right door loudspeaker |
|
Step 8 | Repair short circuit to ground in the wiring harness -> End |
| 8 | Check wiring harness to right door loudspeaker |
|
< 0 V Step 8 |
Repair short circuit to B+ in the wiring harness -> End |
| 9 | Check wiring harness to right door loudspeaker |
|
0 V Step 10 |
Repair short circuit to B+ in the wiring harness -> End |
| 10 | Replace front right door loudspeaker | -> End | Step 10 | |
| 11 | Replace amplifier | -> End | - | |