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Idle Air Control Solenoid

Turn ignition off. Disconnect Idle Air Control I(AC) solenoid wiring harness connector. Connect DVOM positive lead to VPWR terminal of IAC solenoid wiring harness connector. See appropriate WIRING DIAGRAMS article. Connect DVOM negative lead to IAC terminal. If resistance is 6-13 ohms, go to next step. If resistance is not 6-13 ohms, replace IAC valve assembly.