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.
1993 Acura Integra GS-RFACTORY OEM SERVICE PROCEDURE
No MIL
- Turn ignition on. If oil pressure light is on, go to next step. If light is off, inspect fuse No. 23. If fuse No. 23 is okay, repair open circuit in Yellow wire between fuse and instrument cluster.
- If oil pressure light is on, turn ignition off. Connect ECM test harness connector between ECM and ECM connectors. Jumper ECM terminal A13 to body ground. See Fig 1 . Turn ignition on. If MIL is now on, go to next step. If light is off, replace MIL bulb or repair open in Green/Orange wire between ECM terminal A13 and instrument cluster.
- Measure voltage individually between ground and ECM terminals A23 and A24. If more than one volt is present on either terminal, repair open in that wire between ECM and ground terminal G101, located at thermostat housing. See Fig 2 . If less than one volt is present on each terminal, replace ECM and retest.
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:
- • 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.
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