ELECTRICAL 289 8.16 ULTRASONIC PARK ASSIST SYSTEM 1. ULTRASONIC Park Assist System Architecture: NOTE: RVC – May or May not applicable. Applicability is completely depending on vehicle feature list. PDC work independent of RVC. PDC Activation Switch – In some vehicle variant “Park Button” on Fascia switch may not available. However, that will not affect PDC functionality. The PDC system shall be powered from the ignition line of the vehicle (KL15) PDC ECU shall be in OFF state if Ignition is made OFF. PDC ECU shall draw 0mA in PDC OFF state as complete PDC system is not powered during Ignition OFF. PDC ECU shall be connected to vehicle via CAN. Hardwired input for the reverse gear signal needs to be protected in case to be used as a reverse gear ON signal (logic High to Battery voltage) In particular vehicle variants, PDC will receive only one type of reverse gear indication signal either hardwired reverse gear signal or CAN based reverse gear signal. The type of reverse gear indication to PDC is depends on the PDC Calibration file for production software releases (parameter Transmission Type) or EOL DID parameter for development software releases (Transmission Type).
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