911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
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Booster pump Carrera 2
The booster pump is located on the opposite side of the hydraulic unit in the Carrera 2.
Booster pump Carrera 4
The booster pump is located next to the hydraulic unit in the Carrera 4.
Brake pressure sensor
The brake pressure sensor records the brake pressure (desired deceleration), which is used by the PSM control module to calculate the wheel brake
forces (longitudinal forces). If driving dynamics control is necessary during the braking procedure, the existing wheel brake forces are included to
calculate the lateral traction.
Brake pressure sensor PSM 5.3
The brake pressure sensor is located on the booster pump on the PSM 5.3.
Brake pressure sensor PSM 5.7
The brake pressure sensor is on the hydraulic unit on the PSM 5.7.
Stop light switch
When the brake is actuated, signals from the twin contact (make and break) are detected and evaluated by the control module. If the brake is actuated
