Tundra Regular Cab SR5 4WD V8-4.7L (2UZ-FE) (2000)
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Heater Control Valve: Testing and Inspection
Water Valve
1. WARM UP ENGINE
2. DISCONNECT WATER VALVE CONTROL CABLE
3. INSPECT WATER VALVE OPERATION
a. Check that warm air blown out the vent when the water valve lever is moved to "WARM" position.
b. 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
