18 how to match the hot and cold valves of Toyota garage?

1, 18 The hot and cold switching valve of Toyota garage is located in the middle of the warm air pipe in the engine compartment.

2. The warm air water valve is the warm air switch of the automobile heater. The working principle of the automobile heater is that the radiator in the heater is connected with the circulating water of the engine through the inlet and outlet water pipes, and the water valve is a switch.

3. The water valve is opened, the waterway is connected, the engine circulating water enters the radiator, and the fan blows heat into the cab. Therefore, the matching of 18 Toyota hot and cold valves needs to contact Toyota 4s shop for consultation.