Vehicle Speed Sensor: Testing and Inspection

Vehicle Speed Sensor Connector Terminal Identification.:

INSPECTION
1. Disconnect the three pin connector at the Vehicle Speed Sensor (VSS). Turn the ignition switch on.
2. Measure the voltage between the BLACK/YELLOW terminal and the BLACK terminal on the harness side of the connector. Voltage should read approx. 5.0 volts. (If not, inspect no. 23 fuse (15A) in under dash fuse box).
3. Reconnect the three pin connector. Block rear wheels. Set park brake. Raise front of car and support with safety stands.
4. Carefully back probe the ORANGE wire and connect it to chassis ground THROUGH A VOLTMETER.
5. Block right front wheel. Slowly rotate left front wheel by hand. Voltage should pulse between 12.0 volts and 0.0 volts. If voltage does not pulse, replace VSS.