1. Disconnect the negative battery cable..
2. Spread open the rain sensor cover in the direction of the arrows and disengage tabs A to remove it.

3. Disconnect the rain sensor connector.

4. Slide rain sensor tab B in the direction of the arrow shown in the figure and detach tab B.

5. Remove the rain sensor in the direction of the arrow shown in the figure.

6. Peel off the rain sensor protective sheet from the rain sensor.

7. Install in the reverse order of removal..
Rain Sensor Installation Note
CAUTION:
If the rate at which the rain sensor reflects or transmits infrared light between the rain sensor and the windshield, or through the protective sheet is changed, the rain sensor will determine that there is a malfunction in the rain detection function and stop auto wiper system control. Be careful of the following when installing the rain sensor:
Do not reuse rain sensor protective sheet
Do not touch rain sensor lens, rain sensor protective sheet, and sensor installation area on windshield with your finger
Verify that there is no air bubble after installing rain sensor
1. Wipe off any oil or dirt from the rain sensor lens and the windshield using a clean rag.

2. Peel off double-sided adhesive tape A from the rain sensor protective sheet.

3. Adhere the rain sensor protective sheet to the rain sensor lens.

4. Peel off double-sided adhesive tape B from the rain sensor protective sheet.

5. Install the rain sensor.

6. Press the rain sensor in the direction of the windshield and press out any air bubbles.

7. Verify that there is no air bubble between the windshield and the rain sensor.
Wiper And Washer Switch Removal/InstallationAir Mix Actuator Inspection [Full Auto Air Conditioner]
CAUTION:
If the lever position exceeds the operation range shown in the figure, the
circuit in the actuator could be damaged. Always perform an actuator operation
inspection with the lever movement within the range shown in the figure.
Driver-side
1. Connect battery positive vol ...
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
1. Remove the air bypass valve..
2. Connect the vacuum pump to the vacuum ports of the air bypass valve.
3. Verify that the airflow is as indicated in the table.
Vacuum
(kPa {mmHg, inHg})
Valve operation condition
Airflow between port A—B
...
Windshield Defrosting and
Defogging
Set the mode selector dial to the
position and turn the fan control dial to the
desired speed.
In this position, the outside air position is automatically selected, and when
the fan control dial is ON, the air conditioner automatically turns on. The air
conditioner will directly dehumidify ...