1.Remove the front door trim.(Refer to Body - "Front Door Trim")
2.Disconnect the connectors from the actuator.

3.Check actuator operation by connecting power and ground according to the table.
| Pin | Description | |
| Driver | Panssenger | |
| 1 | - | M2 |
| 2 | - | M3 |
| 3 | COM | - |
| 4 | Lock/Unlock switch | AJAR |
| 5 | AJAR | Lock/Unlock switch |
| 6 | - | COM |
| 7 | M3 | - |
| 8 | M2 | - |



1.Remove the rear door trim.(Refer to Body - "Rear Door Trim")
2.Disconnect the connectors from the actuator.

3.Check actuator operation by connecting power and ground according to the table.
| Pin | Description | |
| Driver | Panssenger | |
| 1 | - | M1 |
| 2 | COM | M2 |
| 3 | Lock/Unlock switch | - |
| 4 | AJAR | - |
| 5 | - | AJAR |
| 6 | - | Lock/Unlock switch |
| 7 | M2 | COM |
| 8 | M1 | - |


1.Remove the liftlgate trim.(Refer to Body - "Liftgate Trim")
2.Disconnect the connector from the actuator.

3.Check actuator operation by connecting power and ground according to the table.


1.Disconnect the connector and bolts from the hood switch.

2.Check for continuity between the terminals and ground according to the table.

SpecificationsHyundai Tucson (NX4) 2022-2026 Service Manual: Knock Sensor (KS)
- Description
Knocking is a phenomenon characterized by undesirable vibration and
noise and can cause engine damage. Knock Sensor (KS) is installed on the
cylinder block and senses engine knocking.When knocking occurs, the
vibration from the cylinder block is applied as pressure to the
pi ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Master warning light
This warning light illuminates:
If a malfunction is detected in any of the
following:
Forward Collision-Avoidance Assist
malfunction (if equipped)
Forward Collision-Avoidance Assist
radar blocked (if equipped)
Blind-Spot Collision-Avoidance Assist
malfunction (if equipped)
Bl ...