| Components |

| 1. Water temperature control (WTC) outlet fitting 2. Water temperature control (WTC) housing 3. Water temperature control (WTC) gasket 4. Water temperature control (WTC) outlet fitting gasket | 5. Water temperature sensor 6. Return & degassing pipe & hose 7. Heater pipe 8. Separate cooling thermostat |
Removal and installation1.Loosen the drain plug, and drain the engine coolant. Remove the reservoir cap to help drain the coolant faster.(Refer to Cooling System - "Coolant")2.
Removal and installationWater Temperature Control Assembly1.Disconnect the battery negative terminal.2.Loosen the drain plug, and drain the engine coolant.
Diagnosis With GDS1.The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).※ The diagnostic system (GDS) provides the following information.(1) Self diagnosis : Checking the failure code (DTC) and display.
Component Location1. Heater unit assemblyCompoents1. Heater core cover2. Heater core & Seal assembly3. Mode actuator [LH]4. Temperature control actuator [LH]5. Shower duct [LH]6. Duct sensor [Floor]7. PTC Heater8. Duct sensor [Vent]9. Heater & Evaporator lower case10.