Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1988 Mazda RX-7 Base, 2D ConvertibleFACTORY OEM SERVICE PROCEDURE
Trouble Codes
- Self-Diagnosis Checker (49 H018 9A1) must be used to obtain trouble codes. Warm engine to normal operating temperature. Connect self-diagnosis checker to connector. See Fig 1 .
- Place select switch in the "B" position. Check trouble code
number indicated. Compare trouble code to that listed. See
TROUBLE CODE
USAGE
table.
SELF-DIAGNOSIS
under TROUBLE SHOOTING in this article for trouble shooting
procedure.NOTE: Self-diagnosis checker buzzer will activate for approximately 3 seconds after the ignition is turned on.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.