The steering gear is connected to the steering shaft through an intermediate shaft.
Attention! In the event of a malfunction of the electric power steering, the following warning messages are displayed on the on-board computer display:
- «Direction a controler» - check steering), accompanied by the steady light of the signal lamp «Service»;
- «Direction defaillanbe» - steering malfunction), accompanied by the steady light of the signal lamp «Stop»;
- flashing light (with a frequency of 8 Hz) signal lamp «Service» indicates that the steering angle is not calibrated (ECU not programmed).
Note. When diagnosing, the signal lamp «Service» flashes at a frequency of 2 Hz.
Pic. 5.1. The power steering mechanism of the Megane II car: 1 - ECU of the electric power steering with a torque and angle sensor; 2 - stepper motor with worm gear; 3 – gear wheel of a reducer; 4 - an intermediate shaft of the steering system; 5 – fork of the universal joint of a steering shaft in salon
Pic. 5.2. Power Steering ECU