Scheme 2
Scheme 3
Scheme 4
- Turn the front wheels to the straight ahead position.
- Measure how far you can turn the steering wheel left and right without moving the front wheels. If the play is within the limit, the gearbox and linkage are OK. If the play exceeds the limit, adjust the rack guide (see «RACK GUIDE ADJUSTMENT»(ref-291392-S09520010952008072800000) ). If the play is still excessive after rack guide adjustment, inspect the steering linkage and gearbox (see «STEERING LINKAGE AND GEARBOX INSPECTION»(ref-291392-S26492368292008072800000) ).
Restriction on Power Assist Operation
Repeated extreme steering force, such as turning the steering wheel continuously back-and-forth with the vehicle stopped, causes an increase of power consumption in the EPS motor. The increase of electric current causes the motor to heat up. Because this heat adversely affects the system, the control unit monitors the electric current of the motor.
When the control unit detects heat build-up in the motor, it reduces the electric current to the motor gradually to protect the system, and it restricts the power assist operation. The EPS indicator does not come on during this function.
When steering torque is not applied to the steering wheel, or when the ignition is turned off and the motor cools, the control unit will restore the power assist gradually until it's fully restored (after about 8 minutes).