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Home >> Volvo >> 2007 >> C70 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Electronics - Design And Function - 4 Of 4 >> Supplemental Restraint System Module (SRS) (2008-2013) >> Design >> Adaptive Steering Column
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Adaptive Steering Column

Fig 1: Identifying Adaptive Steering Column
GLL117634Courtesy of VOLVO CARS CORPORATION
WARNING:

Never use an ohmmeter or similar tool to test airbags, door mounted inflatable curtains, adaptive seat belt tensioners, the adaptive steering column, rollover bar cassette or seat belt tensioners. Disconnect airbags, door mounted inflatable curtains, adaptive seat belt tensioners, adaptive steering column, rollover bar cassette or seat belt tensioners before testing them. Failure to do so may result in accidental deployment. This could result in serious injury or death.

When the collision protection system in the collapsible steering column is activated, a pin deploys enabling the steering column to be adjusted for length. The steering wheel is pressed in further towards the dashboard than if the steering column was rigid.

Steering is not affected by the deployment of the pin. The pin is deployed by a pyrotechnical charge and is located in the center of the steering column. The impact protection system in the adaptive steering column only deploys if the driver is wearing the seat belt and when the airbag is deployed. The entire steering column must be replaced if the impact protection system in the adaptive steering column has deployed.