Volvo Workshop Manuals
V70 XC AWD L5-2.4L Turbo VIN 56 B5254T (1998)
Sensors and Switches > Sensors and Switches - Cruise Control > Brake Switch (Cruise Control) > Component Information > Diagrams > Page 702
Brake Switch (Cruise Control): Description and Operation
Vacuum Valves (pedal valves)
Identical vacuum valves are located on the pedal assemblies. During adjustment, the pedal is depressed to allow the piston to be pulled out. The
When the pedal is depressed, when braking or releasing the clutch, the spring pushes the piston back, breaking the switch contact and thereby
Stop (brake) Light Switch
The stop light switch is an extra safety device, in case the brake pedal is depressed and the vacuum valve does not open.
The stop light switch is normally open, but closes when the brake pedal is depressed. The control module is then grounded through the stop lights,
Since the control module is grounded through the stop lights, they must be functioning in order for the system to work.
The stop light switch is located on the pedal assembly at the brake pedal. Newer model years from 1995- have a new type of stop light switch, it
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