Fault code 45: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 45)
| Work instruction |
Display OK |
If not OK |
| 1 |
Check wiring from the alarm system control module to the door locks for short circuit to B+ |
- Pull plug off the two door locks
- Pull plugs A and B off the alarm system control module
- Switch on ignition
- Measure voltage between plug B on alarm system control module pin 3 and ground
- Measure voltage between plug B on alarm system control module pin 9 and ground
|
0 V
Step 2 |
Repair wiring harness
-> End |
| 2 |
Check servomotors for left door lock |
- Switch off ignition
- Reconnect plug to left door lock
- Disconnect plug connection X11
- Measure resistance on plug connection X 11 (sleeve side) between pins 11 and 17
- On vehicles with "safe position": Measure resistance on plug connection X 11 (sleeve side) between pins 11 and 24
|
5 -- 7 at 20°C
Step 3 |
Replace left door lock
-> End |
| 3 |
Check servomotors for right door lock |
- Reconnect plug to right door lock
- Disconnect plug connection X12
- Measure resistance on plug connection X 12 (sleeve side) between pins 11 and 17
- On vehicles with "safe position": Measure resistance on plug connection X 12 (sleeve side) between pins 11 and 24
|
5 -- 7 at 20 °C
Step 4 |
Replace right door lock
-> End |
| 4 |
- Replace alarm system control module
|
-> End |