TPMS Hyundai Elantra – 2023

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Defi ne your standard.

DESCRIPTION & OPERATION

The Tire Pressure Monitoring System (TPMS) monitors the pressure and temperature inside the tire in order to warn the driver of changes in pressure which may influence the operation of the vehicle. The TPMS control module analyzes wireless information from sensors. The system detects the pneumatic pressure of the tires and warns the driver if the pneumatic pressure drops below the standard level.

TIRE LOW-PRESSURE WARNING LIGHT

The lamp turns ON when the tire pressure decreases below the standard level. And the warning lamp turns OFF when the tire pressure exceeds the pressure required to turn off the lamp.

Tpms Fault Warning Lamp

When the system detects a defect in the operating environment, the warning lamp blinks for about one minute and then turns ON.

NOTE:

• If this phenomenon occurs while driving, you should check the cause of the fault even after the DTC is resolved. (Turn the ignition switch from OFF to ON. Then, check the lamp status.)

• The warning lamp turns off once the DTC is resolved. The warning lamp stays on until you complete the check necessary to resolve the DTC.

• If the DTC is resolved, the warning lamp turns OFF during the same ignition cycle.

CAUTION: If the vehicle starts within 19 minutes after the replacement of the wheel of the stopped vehicle, the TPMS Malfunction Indicator on the instrument cluster illuminates.

• The above symptom is due to communication failure between the BCM and the replaced TPMS ID.

• This communication failure indicator turns off in 19 minutes after the vehicle stops through the BCM’s automatic learning process of TPMS ID. (When driving the vehicle after stopping for over 19 minutes, the indicator turns off automatically.)

Lamp OFF

The warning lamp turns OFF when the DTC is resolved. DTC is stored as a past breakdown.

System Defect

General Operation

The system detects many input elements to identify potential defects. DTC is deter-

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The following are major defects:

• In order to diagnose more symptoms of the fault when the ignition line malfunctions, you must check the warning lamp when you turn the ignition on.

• Check whether the warning lamp turns on and then off.

Memorizing The Tire Pressure Sensor Id

Automatic Location Learning Perform

• After stopping or parking for more than 19 minutes, automatic learning function in every driving position is performed.

• The sensor is converted to Parking Mode when stopped or parked for more than 15 minutes. When acceleration of more than 15-20 km/h is detected in Parking Mode, it is converted to First Block Mode.

TIRE PRESSURE SENSOR REMOVAL AND INSTALLATION Removal And Installation

1. Remove the wheel and tire.

2. Remove the screw with Torx driver (A), as shown in Fig. 1.

CAUTION: 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.

3. Remove the sensor body (A) in the direction of the arrow, as shown in Fig. 2.

4. Use the valve mounting tool to pull out the valve until it is entirely out of the lower hole.

CAUTION: Do not reuse the snap-in type TPMS sensor. NOTE: Cut the rubber at the bottom of valve with a knife.

5. Apply lubricant to the surface of the new valve, and then mount it through the valve hole of the wheel. Specified lubricants: soap water or YH100 (lubricant for tire insert).

NOTE: After applying the lubricant, it should not be longer than five minutes until the valve is mounted. If the lubricant is applied for more than five minutes, apply lubricant again. CAUTION: The TPMS sensor valve bottom is not properly sealed if it is not fully mounted on the wheel, as shown in Fig. 3. Make sure that the valve body is pulled entirely through the hole.

6. Apply soapy water or lubricant to the upper/lower bead section of the tire.

7. To fit the bottom bead, position the sensor at the 5 o’clock position relative to the head on the tire changing machine, as shown in Fig. 4.

8. Rotate the wheel clockwise, and push down on the tire at the 3 o’clock position to fit bottom bead.

CAUTION: Place the tire on the wheel so the bottom bead touches the edge of the wheel after the sensor (6 o’clock).

9. Push down on the tire at the 3 o’clock position and rotate the wheel clockwise to fit the top bead, as shown in Fig. 5.

10. Inflate the tire until beads seat.

11. Adjust the tire pressure according to the recommended tire pressure for the vehicle.

12. If the TPMS sensor malfunctions, you must perform TPMS sensor learning. Replace any faulty sensors and perform TPMS sensor learning. ■

Information for this column comes from the tire pressure monitoring systems data in ProDemand, Mitchell 1’s auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918. For more information, visit www.mitchell1.com.

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