C1171

C1171





Wheel Sensor Front Left. 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
^ FL wheel speed sensor signal can be read using diagnostic tool.
- Select "Read values".
- Select "Wheel Speed Front Left".
Current wheel speed in km/h (mph) is displayed.
^ With the front of the car raised, the diagnostic tool should read approximately 5 km/h (3,1 mph) if the front left wheel is rotated by hand at about 1 rev./second.