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Home >> Toyota >> 1987 >> Pickup SR5, 2D Pickup Extra Cab, 22-RTE, 4WD, R151F >> Repair and Diagnosis >> Engine Performance >> System >> TCCS System >> Operation >> Data Sensors >> A/C Switch

A/C Switch

A signal is sent to ECU when the air conditioner is activated. The ECU requires this input for controlling idle speed during A/C operation.