Toyota 4Runner: Air Conditioning Unit

IG Power Source Circuit

DESCRIPTION The main power source is supplied to the air conditioning amplifier assembly when the ignition switch is turned to ON. The power source is used for operating the air conditioning ampl ...

Components

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Other materials about Toyota 4Runner:

Power Steering Warning Light Circuit
DESCRIPTION The power steering ECU assembly is connected to the combination meter assembly via CAN communication. If the power steering ECU assembly detects a malfunction, the power steering warning light comes on. At this time, the vehicle enters fail-sa ...

Instrument panel light control
The brightness of the instrument panel lights can be adjusted. 1. Brighter 2. Darker The meters and display illuminate when (Optitron type meter) Vehicles without a smart key system: The engine switch is in the “ON” position. Vehicles with a smar ...