Toyota Highlander Service Manual: SFI system (2AZ-FE)

Engine control system

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On-vehicle inspection

1. CHECK THROTTLE BODY (a) Listen to the throttle control motor operating sounds.  Turn the ignition switch ON.  When pressing the accelerator pedal position sensor lever, listen t ...

More about Toyota Highlander:

Intake air control valve ASSY NO.2 (3MZ-FE)
REPLACEMENT 1. REMOVE INTAKE AIR CONTROL VALVE ASSY NO.2 (a) Remove the 3 bolts and nut. (b) Turn the lever to the closed position as shown in the illustration and pull out the IAC valve. (c) Remove the gasket from the intake air surge tank. 2. INSTALL INTAKE AIR CONTROL VALVE ASSY NO.2 ( ...