2007 Mazda Mazdaspeed3 L4-2.3L TurboFACTORY OEM SERVICE PROCEDURE

Vehicle Speed Sensor: Testing and Inspection

VEHICLE SPEED SENSOR INSPECTION (WITHOUT ABS) [G36M-R]
1. Remove the vehicle speed sensor.
2. Measure the voltage between the vehicle speed sensor terminals while the gear is turning.

Factory service manual diagram



Factory service manual diagram




3. Install the vehicle speed sensor.
Factory Service Tools

Use the Manual With the Right Hardware

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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.