Diesel Data: Automotive Repair

Secondary Speed Sensor Inspection

Secondary Speed Sensor

INSPECTION

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

Connector & terminal
(B54) No. 7 (+) - No. 14 (-):





3) Start and warm up the engine.
4) Check the waveform of secondary speed sensor with engine idling.