Electric parking brake controller unit, component description - GF42.20-P-5000SX

MODEL 221.0 /1, 216.3 up to Model Year 8 

Shown on model 221.0 

Location 

The controller unit is located on the left of the rear axle.

Task 

Depending on the request the controller unit operates the parking brake (duo servo brake) on the rear axle.

The brake position is held by a self-locking mechanical action.

The controller unit makes possible the following functions:

• Apply and release the parking brake
• Automatic parking brake release
• Emergency braking with parking brake
• Test bench mode

Discrete inputs 

• Circuit 30
• Circuit 31
• Circuit 87
• Electric parking brake switch (S76/15)

CAN signals 

The controller unit is a subscriber on the front end CAN.