IAC Valve Resistance

Remove IAC valve. See COMPONENT LOCATIONS  under INTRODUCTION. Measure resistance between the following terminals of IAC valve connector. See Figure. If resistance is not 34-54 ohms, replace IAC valve.

• Terminals B1 and S1.
• Terminals B1 and S3.
• Terminals B2 and S2.
• Terminals B2 and S4.