Component Description For Electronic Stability Program Control Unit - GF42.45-P-5119GWM
Model 463 (except 463.342) as of model year 2019
View of engine compartment
Location
The Electronic Stability Program control unit is located in the engine compartment, center right.
Tasks
The Electronic Stability Program control unit contains the control for the following systems:
- ADAPTIVE BRAKE
- Electric parking brake
- Electronic Stability Program (ESP®)
- Electronic brake force distribution (EBD)
- Anti-lock braking system (ABS)
- Acceleration skid control (ASR), electronic traction system (ETS)
- Brake Assist System (BAS)
- Brake Assist System PLUS (BAS PLUS) (with CODE EM4 (Driving Assistance package Plus))
- Hill Start Assist
- Flashing adaptive brake lights
- Dry braking
- Precharging, depending on accelerator pedal actuation
- Precharging, depending on lateral acceleration
- HOLD function
- ESP® trailer stabilization (with code Q55 (Trailer coupling, ball head))
- PRE-SAFE® system (with CODE EM4 (Driving Assistance package Plus))
- Standstill control (SSC)
- Steer Assist
- Tire pressure loss warning (RDW) tire pressure monitor
- Variable speed limiter (except code EM4 (Driving Assistance package Plus))
- Cruise control (except CODE EM4 (Driving Assistance package Plus))
The Electronic Stability Program control unit has the following tasks:
- Reading in of signals
- Evaluation of input factors
- Actuation of components
Reading in of signals
The input factors are read in via the following connections:
- Direct line
- Suspension FlexRay (Flex E)
- Vehicle dynamics CAN (CAN H)
- Traction system hydraulic unit (A7/3)
- Brake vacuum sensor (B150)
- Left front axle rpm sensor (L6/1)
- Right front axle rpm sensor (L6/2)
- Left rear axle rpm sensor (L6/3)
- Right rear axle rpm sensor (L6/4)
- Electrical parking brake switch (S76/15)
- Brake lights switch (S9/1)
Chassis FlexRay
The Electronic Stability Program control unit is a subscriber to suspension FlexRay. It communicates with the following control units:
- Instrument cluster (A1)
- Supplemental Restraint System control unit (N2/10)
- CDI control unit (N3/9) (with diesel engines)
- ME-SFI control unit (N3/10) (with gasoline engines)
- Front SAM control unit (N10/6)
- Rear SAM control unit (N10/8)
- Trailer recognition control unit (N28/1) (with code Q55 (Trailer coupling, ball head))
- Parking system control unit (N62) (with code EZ8 (PARKTRONIC))
- Electrical power steering control unit (N68)
- Left front door control unit (N69/1)
- Right front door control unit (N69/2)
- Electronic ignition lock control unit (N73)
- Steering column tube module control unit (N80)
- Powertrain control unit (N127)
- Fully integrated transmission control unit (Y3/8n4)
Vehicle dynamics CAN
The Electronic Stability Program control unit is a subscriber on the vehicle dynamics CAN. It communicates with the following control unit:
- Supplemental restraint system control unit
Evaluation of input factors
The input factors that have been read in are evaluated by the integrated microprocessor and the affected components are then actuated.
Actuation of components
Components are actuated with the following line:
- Direct line
Direct line
The following components are actuated via direct lines:
Direct line
The following signals are read in via direct lines:
- Circuit 30
- Circuit 31
- Traction system hydraulic unit
- Left electric parking brake actuator motor (M76/1)
- Right electric parking brake actuator motor (M76/2)
| Wiring diagram electronic stability program (ESP) | PE42.45-P-2200-97ZHA |