Test Point 13

Fault, DTC 4340 Test Point 13

Stop light switch

Possible causes, elimination, notes

- Check with the System Tester 2 via the Input signals menu. Press the brake pedal after selection of the stop-light switch. Required display: Display on screen changes from not actuated to actuated.
- Pull off wires on the stop light switch (No. 1). Test the stop-light switch with a multimeter (remove switch for the test if necessary).







- Check stop-light switch adjustment (operating point) (see Volume 4, Running gear).
- Check wiring according to the wiring diagram.