Inspect Air Pump

a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check that air flows.

If operation is not as specified, replace the air pump.

2007 ENGINE Emission Control - Sequoia

Fig. 29: Inspecting Air Pump

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 29: Inspecting Air Pump

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. INSPECT AIR SWITCHING VALVE

a. Blow air into port A and check that air is not discharged from port B.

2007 ENGINE Emission Control - Sequoia

Y A122982E01

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