Summary of Contents for Honda Accord 1986-310 Service Manual - Page 46

  • Honda Accord 1986-310 Service Manual - Page 46

    6 —Power Valve Ks Only This system is provided to supply supplementary fuel into the priamry rnain fuel passage when the vehicle is operated In the power mode. In normal driving modes other than acceleration, manifold vacuum is applied on the diaphragm of the power valve and the valve is closed. When the throttle valve is suddenly opened to accelerate the vehicle, the power valve opens because of the decreased manilold vacuum and supplies additional fuel to the primary main fuel passage thruugh the power iet, providing smooth acceleration performance. When the power valve control solenoid valve is activated by the solenoid valve control unit, the power valve is opened because the solenoid valve does not allow vacuum to act on the power valve. POWEFI VALVE CONTROL SOLENOID VALVE OFF 0R INTAKE AIR TEMP. BELOW 18°C (64.4°F) VEHICLE SPEED BELOW 15 MI’H AND AND ENGINE SPEED BELOW 3,000 rpm COOLANT TEMP. BELOW 50°C (122°FI AND AND AT: SHIFT POSITION SWITCH OFF AT: SHIFT POSITION SWITCH OFF (Any position other than “F” or N”.) (Any position other than F or POWER PISTON To SHIFT POSIYION SWIYCK ro INTAKE i PRIMARY MAIN NOZZLE VEHICLE SPEED SENS“ MANZMD I powzn VALVE THEM, COIL ro POWER SSNSOR SPRING (- fl VALVE ROD TO CONTROL — 1 UNIT to INTAKE ‘ t 1 MANIFOLD rh ® vows-1 , ff POWER VALVE : ‘ CDNYROL VALVE EL SOLENOID VALVE lGNITlON swncu P FUEL ussme INTAKE AIR TEMP seNson 3-9