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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 297 (Supplemental Restraints System) >> Diagnostic Information and Procedures >> DTC B0090-B0098 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to: Supplemental Inflatable Restraint System Description and Operation 

Circuit Description
Signal The control module input circuit has an internal resistance connected to 5 V
Low Reference Grounded through the control module.
Component Description
B58 Front Impact Sensor The impact sensors detect acceleration and provide input to the Restraints Control Module.
B63 Side Impact Sensor The impact sensors detect acceleration or pressure, and provide input to the Restraints Control Module.
K36 Restraints Control Module The control module monitors several sensors that can detect a collision. When a collision is detected, the control module will trigger certain airbags and seat belt pretensioners, depending on the angle and severity of the impact.
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