mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Anti-Lock Brake System Speed Sensor <--> [Wheel Speed Sensor]|Service and Repair > < Anti-Lock Brake System Speed Sensor <--> [Wheel Speed Sensor]|Specifications|Page 1075
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Anti-Lock Brake System 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.

Anti-Lock Brake System Speed Sensor <--> [Wheel Speed Sensor]|Service and Repair > < Anti-Lock Brake System Speed Sensor <--> [Wheel Speed Sensor]|Specifications|Page 1075