Disconnect the brake light switch connector (1).
Rotate stop light switch (2) one eighth of a turn counterclockwise.
Remove the stoplight switch.
Disconnect the brake light switch ring (3).
Attach the new brake light switch ring (3) on the pedal assembly.
Set the brake pedal to the up position.
Note. To perform this operation, the vacuum booster rod must be connected to the brake pedal.
Insert new brake light switch (2) in the ring (3).
Install the sensor with the end facing the pedal body.
Note. Incorrect adjustment can lead to premature brake wear.
Lock the brake light switch by turning one eighth of a turn clockwise.
Stoplight switch adjustment
The distance between the switch housing and the mating surface of the rod in the brake pedal housing is indicated in the figure by the letter (X).
Using a set of feeler gauges, check that the distance (X) equal to 1-2.5 mm. With the brake pedal held up:
- it is necessary to install a lining 1 mm thick between the switch and the brake pedal;
- do not install a 2.5 mm thick pad between the switch and the brake pedal.
Connect the brake light switch connector.
Turn on the ignition.
Check the operation of the brake light switch.
Connect the diagnostic tool.
Depress the brake pedal 3 mm.
Verify that the first signal from the switch did not work (the first signal does not turn on the lights).
Switch off the ignition.