Operation CHARM: Car repair manuals for everyone.

Primary Speed Sensor Inspection

Primary Speed Sensor

INSPECTION

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

Connector & terminal
(B54) No. 6 (+) - No. 1 (-):





3) Start and warm up the engine.
4) Lift up the vehicle.

CAUTION:
Lift up the vehicle until the tire bottom is 0.3 m (0.98 ft) or more above the ground.

5) Shift the select lever to "D" range.
6) Check the waveform of primary speed sensor with engine idling running.