Hyundai Palisade: Tire Pressure Monitoring System / TPMS Sensor

Hyundai Palisade (LX2) 2020-2024 Service Manual / Suspension System / Tire Pressure Monitoring System / TPMS Sensor

Description and operation
Description

Hyundai Palisade. Description and operation

1.
General description
WU is a sensor placed in the tire that reports pressure and temperature.
The WU is mounted inside the wheels, fixed to the valve. The angle between the valve and the housing of the WU is variable.
This allows adaptation to various types of rims.
The Wheel Unit is made of a PCB supporting the electronic hardware and encapsulated inside a housing which is potted with polyurethane.
It is self-powered by a battery and includes all systems for parameter measurement (pressure, temperature and centrifugal acceleration and optionally rotation direction), RF transmission and LF detection.
To achieve the specified battery lifetime, the WU supports various measurement and transmission timings, depending on WU operation mode.
For RF transmission, WU uses an internal antenna.
2.
First Block Mode
: When vehicle start driving, Sensor enter Mode First Block.
Typical period of RF emissions is 16 sec. for 40 times for Auto-learning and Auto-location function.
3.
Driving Mode
: After 19 min. parking and then finishing Mode First Block mode, WU enter Driving mode.
Typical period of RF emissions are 64 sec above 4g vehicle speed.
4.
Parking Mode
: at below 3g Vehicle speed, enter Parking mode.
Typical periodicities of RF emissions are 13 hours.
Repair procedures
Replacement
1.
Remove the valve core and deflate the tire.Remove the tire.
2.
Push the tire as illustration below by using tire change machine.

Hyundai Palisade. Repair procedures
3.
Remove the screw with torx driver (A).
Hyundai Palisade. Repair procedures   
•
When installing the bead brake, make sure that it does not come in contact with the TPMS sensor.
•
Be careful not to damage the TPMS sensor when installing the bead brake near the TPMS sensor.

Hyundai Palisade. Repair procedures
4.
Remove the sensor body (A) from the valve (B) in the direction of the arrow.

Hyundai Palisade. Repair procedures
5.
Remove the valve using the valve mounting tool.
(1)
Cut the rubber at the bottom of valve with a knife.

Hyundai Palisade. Repair procedures
(2)
Use the valve mounting tool to pull out the valve until it is entirely out of the lower hole.

Hyundai Palisade. Repair procedures
6.
Apply lubricant to the surface of the valve, and then mount it through the valve hole of the wheel.
Hyundai Palisade. Repair procedures   
•
We recommend using regular soapy water as lubricant.

Hyundai Palisade. Repair procedures
Hyundai Palisade. Repair procedures   
•
The TPMS sensor valve bottom is not properly sealed if it is not fully mounted on the wheel, as shown in the following figure:

Hyundai Palisade. Repair procedures
•
Make sure that the valve body is pulled entirely through the hole.

Hyundai Palisade. Repair procedures
7.
Remove the tire change machine.

Hyundai Palisade. Repair procedures
8.
Inject air into the tire until the beads are in the correct position.
Tire pressure : 240 kPa (35psi)

Hyundai Palisade. Repair procedures
Diagnostic Procedure Using a Diagnostic Instrument
The following section describes how to diagnose faults using a diagnostic instrument.
1.
Connect the diagnostic instrument to the self-diagnostic connector (16-pin) beneath the crash pad on the side of driver's seat, and then turn on the ignition to activate the diagnostic instrument.
2.
In the GDS Vehicle Type Selection menu, select "Vehicle Type" and "TPMS" System, and then opt for "OK."
[Register Sensor Method]

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Check that Write ID and Read ID are the match.
•
After successfully registering the sensor, perform "Sensor Wireless Information" to confirm that the sensor operates properly.

Hyundai Palisade. Repair procedures

[Sensor Status Method]

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Each entry must be checked for normal operation of each sensor.
•
After replacing the tires or sensors, check for proper operation of sensor after sensor registration process.

Hyundai Palisade. Repair procedures

    Components and components location

    ..

    TPMS Receiver

    Description and operation Description TPMS Receiver : BCM(body control module) integrated management 1. Mode (1) Virgin State • The receiver as a sole part is shipped in this state...

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