Archive & reference hub
MK3 / A70 markets
Manuals, parts, data

Troubleshooting assistant

Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.

Diagnostic codes
Searching in 1990 USDM TSRM.
Areas
Step-by-step TSRM procedure

Theft deterrent D — back door key unlock switch circuit

Follow the theft deterrent system flowchart from BE-91.

Previous checks
DoneIs there continuity between terminal 10 and ground with key position normal
You chose: Yes
Go back here
Is there continuity between terminal 10 and ground with key position normal?
Result
Short circuit in back door key unlock switch circuit.
Short circuit in back door key unlock switch circuit.
Final result after choosing Yes

Short circuit in back door key unlock switch circuit.

Short circuit in back door key unlock switch circuit.