Wheel Speed Sensor: Testing and Inspection

Fig. 51 Speed Sensor Terminal Identification.:

Fig. 52 Speed Sensor Continuity Specification.:

1. Check continuity at control unit terminals, Fig. 51 and 52.
2. If continuity is not as specified, check wiring harness between wheel speed sensor and control unit.
3. If continuity is satisfactory, check voltage between D and F, H and I, U and W, X and Z while rotating wheel one revolution per second by hand.
4. If voltage is not approximately 50-60 mV, the control unit is faulty.