Front Speed Sensor

1997 Toyota Tercel 4D Sedan, AutomaticSECTION Front Speed Sensor
  1. Remove harness connector clamp. Unplug connector from front wheel speed sensor. Measure resistance between speed sensor terminals. Resistance should be 600-2500 ohms (1997 Paseo), 600-1800 ohms (1997 Tercel) or 1400-1800 ohms (1998 Tercel).
  2. Measure continuity between each sensor terminal and sensor body. Continuity should not exist. If resistance and continuity are not as specified, replace speed sensor. Inspect sensor rotor teeth for scratches, cracks, warping, or missing teeth.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.