Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000)
-
Connect multimeter to measure resistance between contacts 1 and 2.
-
Specification: Infinity Ohms (no continuity)
-
Depress brake pedal.
-
Specification: approx. 0 Ohms
-
Connect multimeter to measure resistance between contacts 3 and 4
-
Specification: approx. 0 Ohms
-
Depress the brake pedal.
-
Specification: Infinity Ohms (no continuity)
If the specifications are not attained:
-
Replace the brake light/brake pedal switch.
If the specifications are obtained:
-
Connect multimeter to measure voltage between contact 1 and Ground.
-
Specification: at least 11.5 V
-
Switch ignition on.
-
Connect multimeter to measure voltage between contact 3 and Ground.
-
Specification: at least 11.5 V
If the specifications are not obtained:
-
Check the wire between 4-pin connector contact 1 and main fuse/contact 2 and central electrics using wiring diagram.
See Electrical Wiring Diagrams, Troubleshooting & Component Locations.
If the specification is obtained: