Fault code 9112: Diagnosis/troubleshooting
DIAGNOSIS/TROUBLESHOOTING - FAULT CODE 9112
| Work instruction |
Display OK |
If not OK |
| 1 |
Read out Tiptronic fault memory |
- Read out Tiptronic fault memory and remedy any stored faults.
|
The fault is remedied
-> End |
Step 2 |
| 2 |
Check CAN-high drive for open circuit |
- Switch off ignition
- Remove plug A from the instrument cluster
- Pull plug D and B off the DME control unit
- Pull plug off the Tiptronic control unit
- Measure resistance between plug A on the instrument cluster pin 15 and plug on DME control unit pin 36
- Measure resistance between plug B on DME control unit pin 4 and plug on Tiptronic control unit pin H
|
< 5
Step 3 |
Repair wiring harness
-> End |
| 3 |
Check CAN-low drive for open circuit |
- Measure resistance between plug A on the instrument cluster pin 31 and plug D on DME control unit pin 37
- Measure resistance between plug B on DME control unit pin 3 and plug on Tiptronic control unit pin L
|
< 5
Step 4 |
Repair wiring harness.
-> End |
| 4 |
- Replace the Tiptronic control unit
|
-> End |