Fault code 42: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 42)
| Work instruction | Display OK | If not OK | ||
|---|---|---|---|---|
| 1 | Check transponder |
|
Step 2 | Replace hand-held transmitter -> End |
| 2 | Check teaching functions |
|
Step 3 | Re-teach the transponder in menu item "Transponder key" |
| 3 | Check control lead between the alarm system control module and the signal converter for short circuit to ground |
|
Step 4 | Repair wiring harness -> End |
| 4 | Check control lead between the alarm system control module and the signal converter for short circuit to B+ |
|
0 V Step 5 |
Repair wiring harness -> End |
| 5 | Check control lead between the alarm system control module and the signal converter for open circuit |
|
< 5 Step 6 |
Repair wiring harness -> End |
| 6 | Check data lead between the alarm system control module and the signal converter for short circuit to ground |
|
Step 7 | Repair wiring harness -> End |
| 7 | Check data lead between the alarm system control module and the signal converter for short circuit to B+ |
|
0 V Step 8 |
Repair wiring harness -> End |
| 8 | Check data lead between the alarm system control module and the signal converter for open circuit |
|
< 5 Step 9 |
Repair wiring harness -> End |
| 9 |
|
-> End | ||