Fault code 9111: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING - FAULT CODE 9111

Work instruction			Display OK	If not OK
1	Read out DME fault memory	Read out DME 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 off the DME control unit Measure resistance between plug A on the instrument cluster pin 15 and plug on PSM control unit pin 24	< 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 on PSM control unit pin 40	< 5 Step 4	Repair wiring harness -> End
4	Replace the DME control unit		-> End