Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Primary 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. 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.