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.
1986 Mitsubishi Starion ESI-RFACTORY OEM SERVICE PROCEDURE
Self-Diagnosis Test
- Turn ignition switch to "OFF" position. On Starion models, connect voltmeter between Self-Diagnosis Output and Ground of diagnosis connector, located in engine compartment. See Figure .
- For all models, turn ignition switch to "ON" position and indication of ECU memory will start. If there is any abnormality in the memory, perform the necessary component repairs. Turn ignition off and disconnect battery negative ground cable for 15 seconds or more to erase ECU memory.
NOTE:
Before disconnecting battery terminals, make sure that ignition is off. Disconnecting terminals with ignition on or engine running could damage computer system.
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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