1995 Mazda MX-5 Miata Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Throttle Position (TP) Sensor Continuity: Inspection

  1. Turn ignition switch to OFF position and throttle valve to closed throttle position. Disconnect TP sensor connector. Connect ohmmeter between terminals "C" and "D" of TP sensor connector. Continuity should exist. If continuity does not exist, adjust TP sensor. See ADJUSTMENT procedure below.
  2. Insert a feeler gauge of specified thickness between throttle lever and throttle stop screw. See TP SENSOR CONTINUITYΒ  table. Connect ohmmeter between terminals "C" and "D" of TP sensor connector. If continuity is not as specified, adjust TP sensor. See ADJUSTMENT procedure below.
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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.