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C1377

Read the instructions below then start the fault diagnostic procedure.

Symptom: ABS warning lamp on. ABS not functioning.

C1377


Wheel Sensor Front Right. No Signal


Fault symptoms

ABS warning lamp on. ABS not functioning.

Conditions

DTC is generated by open circuit.

Diagnostic help




• Front right wheel speed sensor can be read using the diagnostic tool.



- Select "Read values".

- Select " Wheel Speed Front Right ".


The current wheel speed in km/h is displayed.

With the front of the car raised off the ground, the diagnostic tool should show a reading of about 5 km/h when the FR wheel is rotated by hand at a speed of about 1 turn a second.


• For tracing electrical faults, the diagnostic tool can be used to take readings from the control module's wheel-sensor inputs.



- Select “Read Values”

- Select “Wheel-sensor output”


The reading is used to determine whether there is a break in the circuit between the control module and one of the wheel sensors. If the circuit is OK, the reading should be approximately 3.4 V.

If the circuit to the front right wheel is not OK, the value will be about 0.8 V.