Test Point 23

TEST POINT 23
W-line (DmE Immobilizer) Positive Short

Fault Code 23

Procedure

2G1. Voltmeter at plug I alarm control unit pin 23 and ground. Switch on the ignition.

Display: 0 Volts

If no fault can be detected, try replacing the alarm control unit. If the fault is still present, the DmE control unit is faulty.