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.
Output Signals - CARBURETED
1989 Subaru Justy DLSECTION Output Signals - CARBURETED
The EFC control unit processes information from the input sensors and sends appropriate voltage control signals to the following engine controls:
- "CHECK ENGINE" Light (Self-Diagnostics)
- Duty Solenoid Valve (Fuel Control)
- EGR Solenoid Valve (Emission)
- Float Bowl Vent Solenoid Valve (Emission)
- Float Chamber Vent (FCV) Solenoid Valve (Emission)
- High Altitude Compensation (HAC) Solenoid Valve (Federal - Emission)
- Idle-Up Solenoid Valve (Idle Speed)
- Canister Purge Control (CPC) Solenoid (Emission)
- Self-Diagnostics (Self-Diagnostics)
RENDER: 1.0x
NO RELATED
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.