1.With the washer motor connected to the reservoir tank, fill the reservoir tank with water.
2.Connect positive (+) and negative (-) battery cables to terminals 3 and 1 respectively to see that the washer motor runs and water is pumped.
3.Check that the motor operates normally.Replace the motor if it operates abnormally.
| No | Description |
| 1 | Ground |
| 2 | Windshield washer (+) |
| 3 | Rear washer (+) |


Rear Washer Switch
Rear Wiper BlabeHyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
• Be careful not to short-circuit the wiring by the body or other wirings.
• In case of discharging problem, measure dark current at all times.(Charging System - "Dark Current Inspection")
• When checking the alternator main fuse, perform continui ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Schematic Diagrams
- Terminal Function
ABS / ESC
PIN NoDesciption CurrentResistance
1Pump motor supply voltage137 A10 MΩ
2Main CAN Low30 mA250 mΩ
3---
4-- -
4---
5---
6---
7---
8---
9---
10- --
11- --
12---
13Recycle pump ground137 A 10 MΩ
14Main CAN High30 mA250 mΩ
15---
16Stop lam ...