Theory Of Operation
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The Keyless Ignition Switch sends a LIN bus signal to the Radio Frequency (RF) Hub. The RF Hub sends a Controller Area Network (CAN) message to the Body Control Module (BCM) which in turn activates the Run/Start relay that provides a hard wired 12 volt signal to the Powertrain Control Module (PCM) and Hybrid Control Processor (HCP) located inside the Power Inverter Module (PIM).