honda Workshop Repair Guides

Honda Workshop Service and Repair Manuals

A/C Idle Boost Throttle Controller <--> [Idle Up Control Valve] > < Idle Speed/Throttle Actuator - Electronic|Description and Operation
Page 1
background image

Idle Speed/Throttle Actuator - Electronic: Testing and Inspection

CRX Si & Civic
    9 volts or more should be present between black (+) terminal and light green ( - ) terminal of the valve leads while solenoid valve is being activated. 

1.

Open control box cover, then disconnect control box wire harness.

2.

Disconnect upper vacuum hose to idle control solenoid valve at the 3-way connector.

3.

Apply vacuum to hose using a suitable hand vacuum pump. Valve should hold vacuum.

4.

Connect battery positive terminal to black terminal of control box and negative battery terminal to the light green terminal.

5.

Apply vacuum to hose using a suitable hand vacuum pump. Valve should not hold vacuum.

A/C Idle Boost Throttle Controller <--> [Idle Up Control Valve] > < Idle Speed/Throttle Actuator - Electronic|Description and Operation