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IAC Valve Resistance

WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.

Remove IAC valve from throttle body. Measure resistance between the following terminals of IAC valve connector. See Figure.

If resistance is not as specified, replace IAC valve. See IAC VALVE RESISTANCE  table.

IAC VALVE RESISTANCE

Temperature: °F (°C) Ohms
14-122 (-10-50) 15-25
123-212 (51-100) 20-30