Anti-Lock Braking System Wheel Speed Sensor: Inspection

1. Connect an ohmmeter between the wheel speed sensor terminals and measure the resistance.
   1. Service standard 
      1. Front: 1385 +/- 110 ohms
      2. Rear: 1385 +/- 110 ohms
   Fig 1: Measuring Wheel Speed Sensor Resistance

   
2. Connect a voltmeter between the wheel speed sensor terminals and measure the voltage by turning the wheel.

NOTE: Set the voltmeter to measure AC voltage. Service standard: AC voltage detected.

Fig 2: Measuring Wheel Speed Sensor Voltage