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.
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HOMESERVICE MANUALSSUBARU1990XT-6 4WD L6-2.7L SOHCREPAIR AND DIAGNOSISCRUISE CONTROLDESCRIPTION AND OPERATION
1990 Subaru XT-6 4WD L6-2.7L SOHC
Cruise Control: Description and Operation
1990 Subaru XT-6 4WD L6-2.7L SOHCSECTION Description and Operation
The speed control system automatically controls vehicle speed without depressing the accelerator pedal. To achieve this, the speed sensor in the speedometer sends a feedback signal which is compared with the desired speed set in the micro-computer memory. The difference between the sensor and memory speeds is transmitted to the solenoid valves which moves the actuator controlling the throttle and keeps the rate of speed constant.
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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.