toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Pulsair Valve, Secondary Air Injection > < Air Suction Vacuum Switching Valve|Page 1654
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Air Injection Control Valve: Description and Operation

Fig. 200 Air Suction System Schematic

    The VSV that controls operation of the air suction system is switched electronically by the ECU.  Based on information received from the water
temperature sensor and engine rpm, the ECU completes the circuit and opens the VSV.  The VSV inputs the ECU through terminal AS.

Pulsair Valve, Secondary Air Injection > < Air Suction Vacuum Switching Valve|Page 1654