Movement sensor in bodywork
1. Check the connectors and wiring. 2. If the voltage at pin T94-1 is 10-13 V: renew the motion sensor. 3. If the voltage at pin T94-1 is too low: check the wiring and for short circuit to earth. 4. If the voltage at pin T94-1 is too high: check for short circuit to voltage. 5. Check that pin T94-3 and T94-4 are connected to earth via the alarm control unit. 6. When you have rectified the fault: activate and deactivate the alarm at least twice and check that the fault code is not re-set.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
The voltage on the alarm control unit input is incorrect.
The fault can be caused by the following: - The movement sensor is not connected - Short circuit to earth. - OPen circuit in the communication cable between the alarm control unit and the movement sensor