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Home >> Toyota >> 2012 >> Highlander Limited, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning (Automatic) (Diagnostic Codes & Circuit Tests) (Except Hybrid) >> AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) >> Circuit Tests >> Rear Air Conditioning Control Panel Circuit >> Description

Rear Air Conditioning Control Panel Circuit: Description

This circuit consists of the rear air conditioning control and the air conditioning amplifier. When the rear air conditioning control is operated, signals are transmitted to the air conditioning amplifier through the LIN communication system.

If the LIN communication system malfunctions, the air conditioning amplifier does not operate even if the rear air conditioning control is operated.