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Hyundai Equus: TPMS Sensor Description and Operation - Tire Pressure Monitoring System - Suspension System - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: TPMS Sensor Description and Operation

Description

1.
General description
(1)
WU is a sensor placed in the tire that reports pressure and temperature.
(2)
The WU is mounted inside the wheels, fixed to the valve. The angle between the valve and the housing of the WU is variable.
(3)
This allows adaptation to various types of rims.
(4)
The Wheel Unit is made of a PCB supporting the electronic hardware and encapsulated inside a housing which is potted with polyurethane.
(5)
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.
(6)
To achieve the specified battery lifetime, the WU supports various measurement and transmission timings, depending on WU operation mode.
(7)
For RF transmission, WU uses an internal antenna.
2.
First Block Mode
: When vehicle start driving, Sensor enter Mode Frist 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
    Description and Operation
    Description Tread Lamp - Tire Under Inflation / Leak Warning. 1. Turn on condition A. When tire pressure is below allowed threshold B. When rapid leak is detected by the sensor. 2 ...

    TPMS Sensor Repair procedures
    Removal Tire Removal 1. Deflate tire & remove balance weights.     • The tire bead should be broken approx. 90° from the valve side of the wheel. The bead breaker should ...

    See also:

    Output Speed Sensor Repair procedures
    Inspection 1. Check signal waveform of output speed sensor using the GDS. Specification: Refer to "Signal Wave Form" section. ...

    Auto Head lamp leveling Unit Description and Operation
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    Specifications
    Specifications DescriptionSpecificationsLimitGeneralTypeV-type, DOHCNumber of cylinders8Bore96mm (3.7795in)Stroke87mm (3.4252in)Total displacement5.038 cc (307.3 cu.in)Compression ratio11.5 : 1Fi ...

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