Hyundai Elantra: Tire Pressure Monitoring System / TPMS Sensor Repair procedures

Removal
1.
Remove the valve core and deflate the tire.
2.
Remove the side of the tire bead area from the wheel using tire changing machine .

   
The tire bead should be broken approx. 90° from the valve side of the wheel. The bead breaker should not be set too deep.
Avoid tire/tool contact with the valve on dismount.
Dismount should end near the valve.
3.
Rotate the wheel clockwise.

4.
The valve during transportation (air inlet portion of the silver) deviated from its original location be sure to check whether the original position of the valve (metal brackets) are assembled in indented state.
5.
While tightening the nut on the valve as not to deviate from the fixed position while rotating the valve to a fixed location (metal brackets to fit inside) and push. The specified torque (8Nm) to tighten the nut does not reuse.
6.
Contact with the rim so that the valve washer seals the valve hole put into.

7.
Housing with two fingers holding the valve in the axial direction with one finger and push the valve.

8.
Housing, the state must be visible laser marking.

9.
When the valve is fully inserted so that the contact between the sensor and the rim while keeping hands on the wheel nut tightening will start Wed.

10.
While maintaining the position of the valve and the sensor is mounted nut.

11.
Apply tire soap or lubrication to the top and bottom tire beads.

12.
To fit the bottom bead, position the sensor at the 5 o’clock position relative to the head on the tire changing machine

13.
Place the tire on the rim so the bottom bead touches the edge of the rim after the sensor (6 o’clock). Rotate the rim clockwise, and push down on the tire at the 3 o’clock position to fit bottom bead.

14.
After bottom bead is on tire, rotate the rim until the sensor is at the 5 o’clock position relative to the head on the tire changing machine. Push down on the tire at the 3 o’clock position and rotate the rim clockwise to fit the top bead.

15.
Inflate the tire until both beads seat.

16.
In the case of TPMS sensor failure, TPMS sensor needs learning. Faulty sensor is replaced new units, conduct learning of TPMS sensors.
Inspection
After installing TPMS sensor test methods Thai
1.
Sealing washer on the outside rim of hole to be compressed.
2.
The lower part of the valve housing, a fixed place (no metal brackets) should be located.
3.
Housing is at least one or more points on the surface of the rim should contact.
4.
The rim of the housing mounting height shall not exceed the height of the chin.
[Normally]

[Faulty]

Diagnosis procedure by using diagnostic device
As manual for diagnosis methods by using diagnosis device, the main contents are as follows:
1.
Connect self-diagnosis connector(16pins) located in the lower of driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.
2.
Select the "vehicle model" and "TPMS" on GDS vehicle selection screen, then select OK.
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."
[Initial Screen for Sensor ID Registration]

[Register Sensor function description]

[Preparation phase sensor measurements]

[Sensor register method 1]

[Sensor register method 2]

[Sensor register method 3]

[Sensor register method 4]

[Sensor register method 5]

   
Make sure that the read ID matches the written ID.
After successfully registering the sensor, proceed to "Sensor Wireless Information" to ensure that the sensor functions correctly.
[Sensor Status initialization]

[Sensor function description]

[Preparation phase sensor measurements]

   
In North America, the cable is measured separately.
In Domestic/General(European) area, the cable is measured without separation.
[Sensor measurements 1]

[Sensor measurements 2]

[Sensor Status]

   
Check each sensor component to ensure that it functions correctly.
Replace any tires or sensors that do not function correctly, proceed to the sensor registration procedure, and check if the sensors function correctly.
TPMS Sensor Description and Operation
Description 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 ...

TPMS Receiver Description and Operation
Description TPMS Receiver : BCM(body control module) integrated management 1. Mode (1) Virgin State A. The receiver as a sole part is shipped in this state. Replacement parts should therefo ...

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