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.
1992 Eagle Summit Base, 2D Hatchback, AutomaticFACTORY OEM SERVICE PROCEDURE
Idle Speed Control (ISC) Motor Operation Test: 1.6L
- Remove throttle body from intake plenum. Remove ISC motor from throttle body. Apply 6-volt source parallel to terminals No. 2 and 5 of ISC motor connector. See Fig 1 .
- Apply source ground lead to ISC motor connector terminals No. 3 and 6. Note slight movement of ISC motor plunger. Remove ground leads from terminals No. 3 and 6.
- Apply and remove source ground at terminals No. 1 and 6, 1 and 4, 3 and 4, and 3 and 6. Note slight movement of ISC motor plunger during each phase of test.
- Beginning at terminal No. 6, reverse grounding sequence specified in steps 2) and 3). If motor does not operate when grounding any of specified terminals, replace ISC motor.
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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