1.With the washer motor connected to the reservoir tank, fill the reservoir tank with water.
• Before filling the reservoir tank with water, check the filter for foreign material or contamination. if necessary, clean the filter.
2.Connect positive (-) battery cables to terminal 1 and negative (+) battery cables to terminal 2 respectively.
3.Check that the motor operates normally and the washer motor runs and water sprays from the front nozzles.If they are abnormal, replace the washer motor.
| PIN | Description |
| 1 | Ground |
| 2 | Windshield washer (+) |
| 3 | Rear washer (+) |


1.Disconnect the negative(-) battery terminal.
2.Drain the washer fluid less than 400 cc.
3.Check for continuity between the No. 1 and No.2 terminal in each float position.If the continuity is not as specified, replace the washer fluid level sensor


1.Disconnect the negative (-) battery terminal.
2.Remove the right front wheel guard.(Refer to Body - "Front Wheel Guard" )
3.Remove the washer hose and disconnect the washer motor connector.

4.Remove the washer motor.

5.Remove the washer reservoir (A) after loosening mounting bolts .

1.Check the filter for foreign material or contamination.
2.Install the washer reservoir.
3. Install the washer motor.
4.Connect the washer motor connector and washer hose.
5.Install the front wheel guard.
Front Wiper Motor
Rain SensorHyundai Tucson (NX4) 2022-2026 Service Manual: Smart Key Unit
- Components (1)
Integrated Body Control Unit (IBU)
Connector Pin Information
NoConnector AConnector BConnector CConnector D
1Speed_input-ECU groundBlower motor operate_output
2-Rear washer switch_outputpower ground-
3Front washer switch_inputESCL (+)_outputBattery (+) ECU-
4PDW-R power_ ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Ambient Sensor
- Description
The ambient temperature sensor is located at the front of the condenser
and detects ambient air temperature. It is a negative type thermistor;
resistance will increase with lower temperature, and decrease with
higher temperature.The sensor output will be used for discharge
t ...