Toyota Highlander Service Manual: Heater & air conditioner

Replacement

1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM (a) Turn the A/C switch on. (b) Operate the cooler compressor at an engine rpm of approximately 1,000 for 5 to 6 minutes to circulate the refrig ...

V (cooler compressor to crankshaft pulley) belt NO.1

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More about Toyota Highlander:

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 to the running motor. Make sure no friction noise comes from the motor. If friction noise exists ...