(a) Check that the IAC valve is half opened.

(b) Connect the IAC valve connector to the IAC valve.

(c) Disconnect the ECT sensor connector from the ECT sensor.

(d) Turn the ignition switch ON.

(e) Check that the IAC valve moves. HINT:

Repeat connecting and disconnecting of IAC valve connector several times and check the operation of Ihe valve. If operation is not as specified, replace the IAC valve.

(f) Turn the ignition switch OFF.

(g) Connect the ECT sensor connector to the ECT sensor.

(h) Disconnect the IAC valve connector from the IAC valve.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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