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 MANUALSHONDA1985ACCORD SEI, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMTBI SYSTEMTESTINGFAST IDLE CONTROL SOLENOID VALVE
1985 Honda Accord SEi, Standard
Fast Idle Control Solenoid Valve
1985 Honda Accord SEi, StandardSECTION Fast Idle Control Solenoid Valve
NOTE:
The fast idle control solenoid valve is open when coolant temperature is less than 5°F (-15°C). If coolant temperature is less than 104°F (40°C), solenoid is open only when atmospheric pressure is less than 26 in. Hg. Vacuum is supplied to vacuum hose between solenoid valve and air flow tube.
- When the valve is open, 9 volts or more should be available between Black/Yellow (A) and Blue/Black (B) terminals on CRX Si) of control box No.1 wiring harness.
- Disconnect wiring harness from No. 1 control box. Disconnect vacuum hose No. 18 from air flow tube. Apply vacuum to the hose. It should hold vacuum. See Fig 1 .
- Connect battery positive terminal to Black terminal of No. 1 control box coupler, and battery negative terminal to Orange terminal. Disconnect vacuum hose No. 23 from intake manifold. Apply vacuum. It SHOULD NOT hold vacuum.
RENDER: 1.0x
NO RELATED
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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.