Speed Sensor

Fig. 13 Evaporative emission control system.:

Fig. 19 Evaporative emission control system.:

Fig. 20 Evaporative emission control system.:

Fig. 22 Speed sensor test connections:

The speed sensor is not used in all vehicles. Refer to Figs. 13, 19 & 20 for proper application.
1. Raise and support vehicle so one rear wheel is off ground.
2. Release parking brake, place shift lever in neutral, and disconnect wiring connector from computer.
3. Connect ohmmeter, Fig. 22.
4. Turn rear wheel slowly and ensure ohmmeter needle deflects consistently.
5. If ohmmeter needle does not deflect, check for proper connection of speed sensor terminals at rear of speedometer.
6. If connection is satisfactory, replace speedometer assembly.
7. Reconnect wiring connector to computer.