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Home >> Isuzu >> 2002 >> Axiom Base, 4WD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Front Wheel Speed Sensor >> Front Wheel Speed Sensor And Associated Parts >> Inspection And Repair
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Inspection And Repair

  1. Check the speed sensor pole piece for presence of foreign materials; remove any dirt, etc.
  2. Check the pole piece for damage; replace speed sensor if necessary.
  3. Check the speed sensor cable for short or open circuit, and replace with a new one if necessary.

    To check for cable short or open, bend or stretch the cable while checking for continuity.

  4. Check the sensor ring for damage including tooth chipping, and if damaged, replace the sensor ring assembly. Refer to FRONT HUB AND DISC (4WD MODEL) .
  5. On 2WD vehicles, the hub unit bearing and front wheel speed sensor are a single unit. Check the outside of the unit for damage. If there is damage, refer to FRONT HUB AND DISC (2WD MODEL) .
    NOTE: The hub unit bearing and front wheel speed sensor cannot be disassembled. They must be replaced as a complete unit.
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