Operation CHARM: Car repair manuals for everyone.

Turbine Speed Sensor Inspection

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) Start and warm up the engine.
4) Check the waveform and output voltage of the turbine speed sensor with engine idling.