Vehicle Speed Sensor: Testing and Inspection

Fig. 21 Vehicle speed sensor circuit test. 1986-87:

1. Disconnect AAS control unit electrical connector, then connect suitable ohmmeter between terminal H and ground, Fig. 21.
2. Raise and support vehicle, then check there is alternately continuity and no continuity when tire is turned manually.
3. If no continuity is present, vehicle speed sensor may be defective or open in wiring harness, repair or replace as required.