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Home >> Toyota >> 2012 >> Highlander Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 127 (Air Conditioning (Manual) (Diagnostic Codes & Circuit Tests) (Except Hybrid)) >> AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) >> Circuit Tests >> IG Power Source Circuit >> Description

IG Power Source Circuit: Description

WARNING: This page is about a different variant/trim than selected.

This is the main power source supplied to the air conditioning amplifier when the ignition switch is on (IG). This power source is used for operating components, such as the air conditioning amplifier and servo motors.