Operation CHARM: Car repair manuals for everyone.
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Speed Sensor

1. INSPECT NO. 2 SPEED SENSOR.
a. Jack up one front wheel.






b. Connect an ohmmeter between the connector and ground.
c. Spin the wheel and check that the meter needle deflects from 0 ohms to infinity ohms.

2. INSPECT NO. 1 SPEED SENSOR IN COMBINATION METER (ANALOG METER).
a. Remove the combination meter.






b. Connect an ohmmeter between terminals SPD (+) and SPD (-).
c. Revolve the meter shaft and check that the meter needle repeatedly deflects from 0 ohms to infinity ohms.

3. INSPECT NO. 1 SPEED SENSOR IN COMBINATION METER (DIGITAL METER).
a. Turn the ignition switch "ON".






b. Check that there is about 10 V between terminals A-7 and A-9 four times per each revolution of the shaft.