32 90... Troubleshooting on electric steering gear (EPS)
Read fault memory.
ELECTRIC STEERING GEAR TROUBLESHOOTING CHART
| Fault | Cause | Remedy |
|---|---|---|
| Failure of power-assisted steering / clear reduction of power-assisted steering when stationary |
|
NOTE:
Check insulation of connecting cable for damage, replace part if necessary
|
|
Check insulation of connecting cable for damage, replace part if necessary | |
| Refer to Troubleshooting On Front Axle | ||
| Excessive steering wheel play/steering wheel shake | Screws at lower section of steering spindle to steering gear/steering column loose | Replace screws and tighten down (refer to Removing And Installing/Replacing Lower Section Of Steering Spindle ) |
| Journal of tie rod end deformed | Replace Steering Gear And Tie Rod Ends | |
| Tie rod end worn | Check steering gear rack; if necessary, replace Steering Gear | |
| Check tie rods, replace if necessary | ||
| Replace Tie Rod End | ||
| Steering gear rack damaged | Replace Steering Gear | |
| Refer to Troubleshooting On Front Axle | ||
| Steering wheel inclination | Tie rod end worn | Replace Tie Rod End |
| Front axle alignment incorrectly adjusted | Carry out Chassis/Wheel Alignment Check , adjust toe/track if necessary | |
| Refer to Troubleshooting On Front Axle | ||
| Vehicle pulls | Steering angle sensor adjustment failed | Carry out Steering Angle Sensor Adjustment |
| Steering column switch cluster faulty | Check Mounting For Steering Column Switch , replace if necessary | |
| Interference noise when steering through (under load) | Spindle surface dirty or corroded (caused by damaged gaiter) | Replace Steering Gear |
NOTE:
In a warranty case you must always provide a fault memory printout, even where there is no fault memory entry, with the defective part.