1. Measure the temperature around the ambient temperature sensor and measure the resistance between the ambient temperature sensor terminal.

If the characteristics of the ambient temperature sensor are not as shown in the graph, replace the ambient temperature sensor.
Airflow Mode Actuator Removal/Installation [Full Auto Air Conditioner]
Ambient Temperature Sensor Inspection [Manual Air Conditioner]Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. Remove the battery and b ...
Oil Seal (Control Valve Body) Replacement [Fw6 A EL]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the air cleaner component..
4. Disconnect the control valve body connector.
5. Remove the hose clamp.
6. Cut the oil seal using a utility knife as shown in the following illustration.
CAUTION: ...
Base Installation
1. Cut away all of the original sealant using a razor.
WARNING:
Using a razor with bare hands can cause injury. Always wear gloves when using
a razor.
2. Clean and degrease the ceramic coating on the glass and the base.
CAUTION:
Keep the area free of dirt and grease, and ...