System Diagram
 Courtesy of NISSAN NORTH AMERICA, INC.
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INPUT/OUTPUT SIGNAL
Major signal transmission between each unit via communication lines is shown in the following table.
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Component
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Signal description
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Electronic stability program control unit
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- Transmits mainly the following signals to EPS control unit via CAN communication.
- Front LH wheel speed signal
- Front RH wheel speed signal
- Rear LH wheel speed signal
- Rear RH wheel speed signal
- Steering assistance torque request signal
- Yaw rate signal
- Side G signal
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ECM
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- Transmits mainly the following signal to EPS control unit via CAN communication.
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Combination meter
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- Receives mainly the following signals from EPS control unit via CAN communication.
- EPS warning message signal
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Steering column control module
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- Transmits mainly the following signals to EPS control unit via CAN communication.
- Steering angle sensor signal
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Electronic ignition switch control unit
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- Transmits mainly the following signal to EPS control unit via CAN communication.
- Ignition switch ON signal
- Battery voltage signal
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Sonar control unit
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- Transmits mainly the following signals to EPS control unit via CAN communication.
- Park assist status signal
- Steering angle command signal
- Receives mainly the following signals from EPS control unit via CAN communication.
- EPS control unit status signal
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