Kluger/Highlander No Heat From Air Vent [B 1446 Air Mix Damper Control Servo Motor Circuit]

Kluger/Highlander No Heat From Air Vent B 1446 Air Mix Damper Control Servo Motor Circuit 2014 to 2019

DESCRIPTION
The air mix damper servo sends pulse signals to indicate the damper position to the air conditioning amplifier. The air conditioning amplifier activates the motor (normal or reverse) based on these signals to move the air mix damper (driver seat) to the appropriate position. This adjusts the amount of air passing through the heater core after passing the evaporator and controls the temperature of the blown air.

Trouble Area
• Air mix control servo motor
• Air conditioning harness
• Air conditioning amplifier

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