Diesel Data: Automotive Repair

Front Wheel Speed Sensor Inspection

Front Wheel Speed Sensor

INSPECTION

1) Remove the instrument panel lower cover.
2) Set the probe of oscilloscope to TCM harness connector.

Connector & terminal
(B54) No. 20 (+) - No. 1 (-):





3) Lift up the vehicle and raise the vehicle speed up to 20 km/h (12 MPH).
4) Check the waveform of front wheel speed sensor when vehicle speed is at 20 km/h (12 MPH).