Inspect Iac Valve Resistance Notice

"Cold" and "Hot" in the following sentences express the temperature of the coils themselves. "Cold" is from -10 °C (14° F) to 50 °C (122 °F) and "Hot" is from 50 °C (122 °F) to 100 °C (212 °F).

(a) Disconnect the IAC valve connector.

(b) Using an ohmmeter, measure the resistance between terminal +B and other terminals (RSC, RSO). Resistance:


17.0 - 24.5 a


21.5 - 28.5 a

If resistance is not as specified, replace the IAC valve. (c) Reconnect the IAC valve connector.

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