Diesel Data: Automotive Repair

Stabilizer System, ESP




C1386





Wheel Sensor Rear Right. Signal Incorrect

Fault symptoms
Warning lamps for ESP, foot brake and central warning lamp are on.
ESP OFF indicator lamp is on.
No ESP function.

Conditions
^ Speed signal not present for longer than 10 ms when vehicle speed exceeds 40 km/h (25 mph)
^ Speed signal incorrect if vehicle speed exceeds 12 km/h (7,5 mph).

Diagnostic help
^ A reading of the rear right wheel speed sensor can be obtained with the diagnostic tool.
- Select "Read values".
- Select "Wheel Speed Rear Right".

Current wheel speed in km/h (mph) is displayed.
^ With the rear wheels of the car raised, the diagnostic tool should read approximately 5 km/h (3,1 mph) if the rear right wheel is rotated by hand at about 1 rev./second.