Fault code 16: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 16)

Work instruction			Display OK	If not OK
1	Check wiring for short circuit to B+	Switch off ignition Pull plug A off the alarm system control module Pull plug off the airbag control module Pull plug D off the DME control module Switch on ignition Measure voltage between plug A on alarm system control module pin 12 and ground	0 V Step 2	Repair wiring harness -> End
2	Detect faulty control module	Switch off ignition Push plug A back onto the alarm system control module Push plug back onto the airbag control module Switch on the ignition and read out the fault memory again	Fault code 16 no longer present Step 4	Fault 16 still present Step 3
3	Detect faulty control module	Switch off ignition Pull plug off the airbag control module Push plug D back onto the DME control module Read out the fault memory again	Fault code 16 no longer present Step 5	Fault 16 still present Step 6
4	Replace DME control module		-> End
5	Replace airbag control module		-> End
6	Replace alarm system control module		-> End