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Hyundai Equus: Heated Steering wheel Description and Operation - Steering wheel - Steering System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Heated Steering wheel Description and Operation

Descrption and Operation
The steering wheel heating system will not be active with an ambient temperature above the system set point temperature. The steering wheel heater element is connected through a wire harness and regulated through an electronic control module.The control module responds to a temperature sensor’s (negative temperature coefficient - NTC thermistor) resistance change, which is in direct contact with the steering wheel heater element.The system switch provides a means to the end user to turn the heater ON/OFF and, is attached at shroud or steering wheel.The complete assembled steering wheel shall regularly operate within the temperature range of -40°C ~ +115°C and the humidity range of 0 ~ 90%.The expected life of the steering wheel heating system shall be the expected life of the vehicle (15 years or 240,000 km).The composed parts of the Heater(heater main part, switch, harness etc.) shall not occur faults such as disconnection, short circuit, destruction, electric leakage, or separation of parts when assembled to actual vehicles.The steering wheel heating system shall be compatible with the air bag module and the steering column attachment structure. During deployment of the air bag (with or without occupant loading), the steering wheel heating system shall not inhibit the opening of the air bag or cause fragmentation of the air bag module. The steering wheel heating system shall not fragment during deployment. Components shall not separate or fragment from the fully assembled heated steering wheel during air bag deployment.Provisions will be necessary to allow electrical connection of the steering wheel heating system to the power connection area. All electrical connectors should mate using blind installation methods. The connectors shall provide audible feedback when engaged and provide methods for verifying terminal retention and connector engagement. Wires shall be routed so that pinching of wires during installation of the air bag module does not occur.
1.
Heated control unit

2.
Heated pad

Item
Specifications
Rated valtage
13.5V
Rated current consumption
107W ± 10%
Head pad vesistance
1.70x ± 10%

    Steering wheel
    ...

    Heated Steering wheel Components and Components Location
    Components Location 1. heated steering switch ...

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