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- Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.
- Turn the steering wheel so that the front wheels can face straight ahead.
- Remove the airbag module. (Refer to " «AIRBAG MODULE»(ref-417754) ")
- Loosen the lock nut.
- Remove the steering wheel (A) from the steering column shaft by using a SST (09561-11001). CAUTION: Do not hammer on the steering wheel to remove it; it may damage the steering column.
- Loosen the screw and then remove the steering column shroud (A).
- Disconnect the connector and then remove the clock spring (A). CAUTION: When assembling set the center position by setting the marks between the clock spring and the cover into line. Make an array the mark (***) by turning the clock spring clockwise to the stop and then 2.0 revolutions counterclockwise.
- Loosen the screw and then remove the multifunction switch (A).
- Loosen the screw and then remove the crash pad lower panel (A). (Refer to " «CRASH PAD»(ref-417751-S11778651202011083000000) ").
- Loosen the nut and then remove the lower panel bracket (A).
- Loosen the bolt (A) and then disconnect the universal joint assembly from the pinion of the steering gear box. Tightening Torques: 17.7 ~ 24.5N.m (1.8 ~ 2.5kgf.m, 13.0 ~ 18.1lb-ft) CAUTION: Keep the neutral-range to prevent the damage of the clock spring inner cable when you handle the steering wheel. Change to the new bolt when assembling
- Loosen the nuts and then remove the steering column dust cover (A).
- Disconnect all connectors connected to the steering column assembly.
- Remove the steering column assembly by loosening the mounting bolts and nuts. Tightening torque: 12.7 ~ 17.7N.m (1.3 ~ 1.8kgf.m, 9.4 ~ 13.0lb-ft)
- Installation is the reverse of the removal. CAUTION: When installing the clock spring, refer the RT group to prevent the damage of clock spring inner cable.
Description
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.