SSP 259 EPHS – Electrically Powered Hydraulic Steering
Function Diagram
Example: TRW steering system without Electronic Stability Programme (ESP)

Legend

- G22 Speedometer sender
- G250 Power steering sensor
- J220 Motronic control unit
- J285 Control unit in dash panel insert
- J500 Power steering control unit
- J519 Electrical system control unit
- J533 Databus diagnostic interface
- K92 Servotronic warning lamp
- S Fuse