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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Manual A/C-Heater Systems) >> Water Valve >> On-Vehicle Inspection

On-Vehicle Inspection

WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Warm up engine.
  2. Disconnect water valve control cable.
  3. Inspect water valve operation.
    1. Check that warm air blown out the vent when the water valve lever is moved to "WARM" position.
    2. Check that cool air blown out when the water valve is moved to the "COOL" position. If operation is not as specified, replace the water valve.
  4. Connect water valve control cable.
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