Idle Air Control Valve: 4Runner

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

For Idle Air Control (IAC) system testing procedures, see Fig 1 Figure and Fig 2 Figure . To check air induction system, see ACOUSTIC CONTROL INDUCTION SYSTEM in AIR INDUCTION SYSTEMS. To replace air induction system, see AIR INDUCTION SYSTEMS in REMOVAL & INSTALLATION - V6 & V8. To check throttle control system, see THROTTLE BODY .

Fig 1: Testing Idle Air Control System - Circuit Description & Steps 1-2 (4Runner)

Fig 2: Testing Idle Air Control System - Step 3 (4Runner)