Wheel Sensor Inspection

Inspect the front and rear pulser for chipped or damaged teeth.
Measure the air gap between the wheel sensor and pulser all the way around while rotating the pulser. Remove the rear brake disc to measure the gap on the rear wheel sensor. If the gap exceeds 1.0 mm (0.04 in.), check for a bent suspension arm.
Standard:

Front/Rear: 0.4-1.0 mm (0.02-0.04 in.)

Fig 1: Measuring Air Gap Between Wheel Sensor And Pulser
Courtesy of AMERICAN HONDA MOTOR CO., INC.