Honda Prelude 1993 Service Manual page 336

Hide thumbs Also See for Prelude 1993:

Table of Contents

ldle Gontrol System

System Description (cont'd)

1. After the engine starts, the IAC valve opens for a certain time. The amount of air is increased to raise the idle sp6€d

50- 3OO rPm.

2. When the engine coolant temperature is low, the IAC valve is opened to obtain the prope. fast idle speed.

of bvoassed air is thus controlled in relation to the engine coolant temperature'

Troubleshooting