Tundra 4WD V8-5.7L (3UR-FE) (2007)
2. Apply battery voltage across terminals 1 and 2.
NOTE:
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Do not operate the air pump continuously for 2 minutes or more.
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When operating the air pump, wait 5 minutes until the pump has cooled down between each operation. If the pump has not cooled
down sufficiently, the motor will burn out.
3. Check that air flows from port A to port B.
If the result is not as specified, replace the air pump assembly.