1986 Mazda RX-7 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Testing with Digital Code Checker

  1. A Digital Code Checker (49 G018 9A0 ) can be used instead of, or in conjunction with voltmeter. Warm engine to normal operating temperature. Connect digital code checker alligator clip to battery ground.
  2. Connect digital code checker to check connector. See Figure . Check for code number identification. If a code number is indicated, check appropriate CODE ILLUMINATION chart for cause of problem.
NOTE: The digital code checker buzzer will sound for approximately 3 seconds after the ignition is turned on.
Factory Service Tools

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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.

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