Fault code 9115: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING - FAULT CODE 9115
| Work instruction |
Display OK |
If not OK |
| 1 |
Read out air-conditioning system fault memory |
- Check whether the air-conditioning control module is still functional. Check voltage supply and fuse of the air-conditioning system control module
- Read out air-conditioning fault memory and remedy any stored faults
|
The fault is remedied -> End |
Step 2 |
| 2 |
Check CAN Comfort high for open circuit |
- Switch off ignition
- Pull plug A off the instrument cluster
- Pull plug off the control module of the air-conditioning system
- Measure resistance between plug A on the instrument cluster pin 14 and plug B on control module of air-conditioning system pin 1
|
< 5 Step 3 |
Repair wiring harness -> End |
| 3 |
Check CAN Comfort low for open circuit |
- Measure resistance between plug A on the instrument cluster pin 30 and plug B on control module of air-conditioning system pin 2
|
< 5 Step 4 |
Repair wiring harness. -> End |
| 4 |
- Replace the control module of the air-conditioning systems.
|
-> End |