Trouble Code Table
| Trouble Code | Information Sensor | Cause of Fault |
|---|---|---|
| 21 | Wheel speed sensor, | No speed signal |
| ABS control unit | ||
| 22 | Ter. 2, Ter. 5 | Short circuit in converter lead or to ground |
| 23 | Servotronic control unit | RAM fault, test sum is incorrect |
Contents
Wiring diagrams Section: Zf Servotronic Steering- Speed-Dependent Power Steering (Servotronic)
- Location in Vehicle
- Schematic Diagram, Servotronic
- Function, Mechanical
- Function, Electronic
- Function, Hydraulic
- Block Diagram
- Control Unit
- Electro-Hydraulic Converter
- Wiring Harness Routing in Vehicle
- Circuit Diagram
- Trouble Code Table
- Noises When Steering Right.
- Introduction
- Diagnosis
- Read Trouble Code
- Check Data List Parameters
- Carry Out Actuator Tests
- Carry Out Control Tests
- Snapshot Mode
- Final System Test
- Vehicle Systems Model Year 95
- General Safety Measures and Repair Instructions
- Survey of Vehicles
- F2: Trouble Codes - Trouble Code 21 No Vehicle Speed Signal
- F2: Trouble Codes - Trouble Code 22 Solenoid Short Circuit
- F2: Trouble Codes - Trouble Code 23 Replace ECU
- F7: Programming
- How to Replace Replace the Electro-Hydraulic Converter
- How to Replace the Servotronic Control Unit
- ABS
- ABS 5.3
- ABS 5.3/TC/ESP
- ABS 5/TC, ABS 5.3/TC
- Accessories
- Adhesive Foiles
- Air Conditioning
- Airbag
- Antenna
- Anti-Theft Warning System-M
- Automatic Transmission Rear Wheel Drive
- Battery
- Board Computer
- Body Equipment
- Brake Hydraulics, Brake Lines
- Brakes
- Car Level Control
- Central Door Locking System
- Central Locking with Atws (Electronic)
- Check Control
- Clutch
- Clutch and Transmission
- Communication / Navigation
- Connector pinouts
- Cooling System
- Corrosion Protection
- Diesel Engine
- DOHC Diesel Engine
- DOHC Petrol Engine
- Ecc Electronic Climate Control
- Electrical Equipment and Instruments
- Electrical Socket Front/ Rear
- Electrical Window Winders
- Electronic Cruise Control
- Electronic Ride Control
- Electronic Traction Control
- Engine and Engine Aggregates
- Engine Electrics
- Exhaust System
- Fittings, Hinges, Locks
- Frame
- Front End
- Front Wheel Brake
- Front Wheel Suspension
- Front Wheel Suspension, Wheels and Tyres
- Fuel and Exhaust System
- Fuel Injection Systems
- Fuel System
- Fuse Box
- General Vehicle Information
- Glass, Window Guides, Window Winders
- Headlamps, Lamps and Horn
- Heating, Ventilation
- Heating, Ventilation, Air Conditioning (HVAC)
- Immobiliser
- Instruments, Telltales
- Maintenance, Body and Chassis Sheet Metal Parts, Frame
- Manual Transmission Rear Wheel Drive
- Mid (Multi Info Display)
- OHC Petrol Engine
- Other Accessories
- Outside Rear View Mirror
- Paint
- Painting Repair Operations
- Painting Repair System
- Parkpilot
- Power Steering
- Radiator Grille
- Radio
- Radio Interference Suppression
- Rear Axle and Rear Wheel Suspension
- Rear Axle Rear Wheel Drive
- Rear End
- Rear Wheel Brake
- Roof Luggage Carrier (Railing)
- Seat Heating Systems
- Seats, Upholstery, Inner Trim Panels
- Secondary Air Injection
- Service Brake, Parking Brake
- Sheet Metal Parts (Bolted)
- Sheet Metal Parts (Cement and Seal)
- Sheet Metal Parts (Welded)
- Sliding Roof
- Steering
- Steering Damper
- Steering Gear
- Steering Linkage
- Steering Wheel - Steering Column
- Switches, Control Unit, Relays, Ignition Lock
- TID (Triple Info Display)
- Trailer Hitch
- Trim Panels, Radiator Grille, Spoiler
- Trim Strips, Lettering, Coverings
- Turbo-Charging
- Wheels and Tyres
- Windscreen Wash/wipe System, Heated Screen
- Wiring Harnesses
- Xenon Control Unit (Headlamp Range Control)
- Zf Servotronic Steering