E-Pretensioner System Description - System Diagram (2016 2017 2018 2019 2020)
This is a system diagram of the E-pretensioner system.
E-Pretensioner Unit
The E-pretensioner unit operates the E-pretensioner motor-driving controls based on F-CAN data it receives from the multipurpose camera unit, the VSA modulator-control unit, the SRS unit, the steering angle sensor, and the PCM. Also the E-pretensioner unit receives seat belt buckle switch signals. The E-pretensioner unit has a self-diagnostic function. When an error or failure is detected, the E-pretensioner unit sends an F-CAN signal to the gauge control module to turn the E-pretensioner indicator (on the multi-information display) on.
E-Pretensioner
The mechanical portion of the E-pretensioner consists of the motor and the gear sections. The Collision Mitigation Braking System (CMBS) and the brake assist system send signals to the motor in the retractor to retract or rewind the belt. If the system judges that the driving situation is safe, the tension on the seat belts is released. The E-pretensioners are used in conjunction with the conventional tensioners.