Saturn Saturn ASTRA Spezifikationen

Learning Guide COURSE NUMBER: W013-01 CHASSIS SPECIALIST ELECTRIC POWER STEERING

Chassis Specialist : Electric Power Steering Page 7 STEERING POSITION SENSOR SIGNAL 1 STEERING WHEEL POSITION SENSOR SIGNAL 2 Steering Wheel Posit

Chassis Specialist : Electric Power Steering Page 8 Operation and Diagnosis In this section the various EPS systems will be discussed. This sectio

Chassis Specialist : Electric Power Steering Page 9 B2477 Module Configuration Failure B3104 Steering Shaft Position sensor Malfunction C2000 Stee

Chassis Specialist : Electric Power Steering Page 10 Malibu Steering Column Assembly EPAS Column Assembly Initialization 1. Have the vehicle on a

Chassis Specialist : Electric Power Steering Page 11 The torque sensor is the main input that the PSCM uses to determine the steering direction a

Chassis Specialist : Electric Power Steering Page 12 The EPS motor and PSCM are serviced as an assembly separate from the steering column. The PSC

Chassis Specialist : Electric Power Steering Page 13 The Koyo system used by the Cobalt, G5, Equinox, Torrent, Ion and Vue is basically the same a

Chassis Specialist : Electric Power Steering Page 14 High Speed GMLAN Serial Data Bus RUN/START BODY CONTROL MODULE (BCM) FUSE BLOCK- UNDERHOOD P

Chassis Specialist : Electric Power Steering Page 15 Trouble Codes Description C0000 Vehicle Speed Information Circuit C0176 System Thermal Error

Chassis Specialist : Electric Power Steering Page 16 C1508 Internal Motor Circuit Malfunction (Saturn Astra) C1512 Temperature Sensor Circuit (Sat

Chassis Specialist : Electric Power Steering Page ii Notice Due to the wide range of vehicles makes and models, the information given during

Chassis Specialist : Electric Power Steering Page 17 Poor Steering Return Inspect the Lower Control Arms Inspect the Steering Knuckles and Strut B

Chassis Specialist : Electric Power Steering Page 18 Torque Sensor Calibration 1. On a flat level surface install the scan tool 2. Turn the igni

Chassis Specialist : Electric Power Steering Page 19 Koyo System Initialization On the Koyo system, the PSCM is serviced separately, all

Chassis Specialist : Electric Power Steering Page 20 11. Observe the scan tool and wait until the display reads “Calibration Complete”.

Chassis Specialist : Electric Power Steering Page 21 One common customer complaint on both systems is a no steering assist concern. This usually h

Chassis Specialist : Electric Power Steering Page 22 the fluid is low top up with the special Saturn power steering fluid for this vehicle. Do not

Chassis Specialist : Electric Power Steering Page 23 ON OFF Long blinks (two times) Short blinks (three times) Example of DTC 23 EPS Indicator Lig

Chassis Specialist : Electric Power Steering Page 24 Flash Code Possible Component 11 High or Low Ignition Voltage 12 High or Low System Voltage

Chassis Specialist : Electric Power Steering Page 25 Trouble codes can be cleared by using the Service Check Signal Circuit Method. The steps mus

Chassis Specialist : Electric Power Steering Page 26 ROTATIONAL PLAY: 0-10MM (0-3.9in.) The EPS system can be checked for the correct Level of Ass

Chassis Specialist : Electric Power Steering Page iii Table of Contents Table of Contents ...

Chassis Specialist : Electric Power Steering Page 27 TOYOTA ELECTRIC POWER STEERING (EPS) SYSTEM Toyota also uses a steering column with an electr

Chassis Specialist : Electric Power Steering Page 28 Combination Meter CODE 21 (ON for half second) NORMAL CODE SECONDS SECONDS ON OFF OFF ON

Chassis Specialist : Electric Power Steering Page 29 DTC/ Flash Code DTC Description Possible Component C1511/11 Torque Sensor Circuit 1 Torque S

Chassis Specialist : Electric Power Steering Page 30 To clear the system DTC’s without a scan tool  With the ignition switch in the OFF position

Chassis Specialist : Electric Power Steering Page 31 Glossary BCM Body Control Module CAN Controller Area Network CIM Column Integration Module DC

Chassis Specialist : Electric Power Steering Page 1 Introduction OBJECTIVES Upon successful completion of this lesson, participants will be able t

Chassis Specialist : Electric Power Steering Page 2 Electric Power Steering Systems Power steering systems were originally developed in the

Chassis Specialist : Electric Power Steering Page 3 EPS controller will determine the appropriate assist level. This system is compact but very ex

Chassis Specialist : Electric Power Steering Page 4 One of the benefits of EPS is an increase in fuel economy, according to Ford this increase ca

Chassis Specialist : Electric Power Steering Page 5 EPS Motor The EPS motor can either be a brushless or brushed reversible motor. Depen

Chassis Specialist : Electric Power Steering Page 6 TORQUE SENSOR SIGNAL 1 TORQUE SENSOR SIGNAL 2 Snap shot of a 2004 Malibu Torque Sensor on a ri