Brake Light Switch: Adjustments

Brake Pedal Position (BPP) Switch Adjustment

Check
1 Remove the brake pedal rubber.




2
NOTE:
Make sure that the dial test indicator (DTI) gauge is in line with the brake pedal movement.
Position the DTI gauge on a suitable mounting block, as illustrated.
3 With the aid of another technician, gently press the brake pedal until the stoplamps illuminate.
4
NOTE:
The specification is that the stoplamps should illuminate at between 5.5mm and 8.5mm brake pedal travel.
Note the measurement of the brake pedal travel from rest position until the stoplamps illuminated.

Adjust
1
CAUTION: The brake pedal must not be pressed during this operation. Failure to follow this instruction may result in damage to the component.
CAUTION:
Remove the stoplamp switch. For additional information, refer to Stoplamp Switch Service and Repair
2
CAUTION: The brake pedal must not be pressed during this operation. Failure to follow this instruction may result in damage to the component.
CAUTION: Only use light finger pressure when installing the stoplamp switch. Failure to follow this instruction may result in an incorrectly adjusted stoplamp switch.
Install the stoplamp switch. For additional information, refer to Stoplamp Switch Service and Repair
3 Check the adjustment of the stoplamp switch by following the Check procedure in this procedure and carry out the Adjust procedure if required.