Speed Sensor Signal Check: Notes

WARNING: This page is about a different car, the 1985 Nissan Maxima and 1985 Nissan 200SX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If speedometer is functioning properly, this test is not necessary. Go to METER OUTPUT CHECK .

Remove instrument cluster with harness connected. Disconnect speedometer cable from speed sensor. Remove speed sensor with harness connected.
Connect a voltmeter between terminal No. 8 (+) and No. 15 (-). See Figure . Turn ignition switch to "ON" position. Slowly turn speed sensor rotor shaft with a screwdriver to make sure voltmeter needle deflects.

NOTE: Do not turn rotor shaft quickly, as voltmeter deflects 24 times per revolution of rotor shaft.