C1371
C1371Wheel Sensor Front Left. Signal Incorrect
Fault symptoms
Warning lamps for ESP and brakes are on as also is the central warning lamp.
ESP OFF warning lamp is on.
No ABS, TCS, ESP function
Conditions
^ No speed signal 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.
Fault Diagnosis Procedure