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Home >> Acura >> 2007 >> TL V6-3.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Idle Control System
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Idle Control System

Idle Control System

When the engine is cold, the A/C compressor is on, the transmission is in gear, the brake pedal is pressed, the power steering load is high, or the alternator is charging, the ECM/PCM controls current to the throttle actuator to maintain the correct idle speed.

Brake Pedal Position Switch
The brake pedal position switch signals the ECM/PCM when the brake pedal is pressed.

Power Steering Pressure (PSP) Switch
The PSP switch signals the ECM/PCM when the power steering load is high.
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