Idle Speed/Throttle Actuator - Mechanical: Testing and Inspection

THROTTLE OPENER INSPECTION

1. INSPECT THROTTLE OPENER
A. Warm up engine
Allow the engine to warm up to normal operating temperature.
B. Check idle speed

Idle speed: 700 ± 50 rpm
(Transmission in neutral position)





C. Check throttle opener setting speed
(a) Disconnect the throttle opener vacuum hose from the throttle body and plug the hose end.
(b) Maintain the engine speed at 2,500 rpm.
(c) Release the throttle valve.
(d) Check that the throttle opener is set.

Throttle opener setting speed: 1,500 ± 400 rpm

If the throttle opener setting speed is not as specified, replace the throttle body.
(e) Reconnect the throttle opener vacuum hose to the throttle body.