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

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Vehicle Speed Sensor: Testing and Inspection

INSPECTION





1. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2.
2. Connect the positive (+) lead from the tester to terminal 3 and negative (-) lead to terminal 2.
3. Revolve shaft.
4. Check that there is voltage change from approximately 0.0 volts to 11.0 volts when measured between terminals 2 and 3. The voltage should change 4 times per each revolution. If not as specified, replace the Vehicle Speed Sensor.