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.
1990 Eagle Summit Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Entering On-Board Diagnostics (Using DRB-II): Notes
- Before entering on-board diagnostics, refer to PRETEST INSPECTION . Turn ignition off. Locate self-diagnostic connector. See SELF-DIAGNOSTIC TEST CONNECTOR LOCATION table in this article. Using appropriate Mitsubishi cartridge and adapter, connect DRB-II to diagnostic connector.
- Ensure all accessories are off. Turn ignition on. All character positions will illuminate and copyright information will appear on screen for a few seconds.
- If DRB-II screen displays an error message, refer to DRB-II ERROR SCREENS in this article. The DRB-II will offer 4 menus: VEHICLES TESTED, HOW TO USE, CONFIGURE and SELECT VEHICLE.
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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