SAAB WIS ONLINE

B1371

Read the instructions below then start the fault diagnostic procedure.

Symptom: ABS warning lamp on, no ABS function.

B1371

LH front wheel sensor, faulty signal


Fault symptom

ABS warning lamp on, no ABS function.

Condition

Fault registered as open-circuit with a speed of >40 km/h.

Diagnostic help




A reading of the left-hand front wheel sensor signals can be obtained on the ISAT scan tool.



- Select "READ FUNCTIONS".

- Select "WHEEL SPEEDS"


The current wheel speed in km/h is displayed.


If the front assembly of the vehicle is jacked up and the left-hand front wheel rotated by hand at about 1 revolution per second, the reading obtained on the ISAT scan tool should be about 5 km/h.