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:

Throttle body ASSY (2AZ-FE)
COMPONENTS REPLACEMENT 1. DRAIN ENGINE COOLANT (See page 16-6 ) 2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 ) 3. REMOVE THROTTLE BODY ASSY (a) Disconnect the throttle control motor & throttle position sensor connector. (b) Disconnect the vacuum hose from the throttle ...