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Home >> Fiat >> 2020 >> 500L Trekking >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Starting System (Service Information)) >> Operation >> Standard Starting System

Standard Starting System

WARNING: This page is about a different car, the 2020 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

When you press the Keyless Go button (KIN Button), a request is sent to RFH via the private LIN. Once the RFH receives the request from the KIN it then looks for the valid key via the Passive Entry Module (PEM) antennas. If the RFH detects a valid key, then the RFH sets the ignition position to START/CRANK. The BCM then turns the Ignition status to START/CRANK.

The Body Control Module (BCM) sends a command to switch the vehicle to the "RUN/CRANK" state. If conditions are correct to start, the PCM turn on the high side of the relay and holds the high side until the PCM turns off the signal allowing the engine to crank.

If the BCM is still in crank and the crank hold signal is true then the BCM turns on the Low side of the relay and the engine will start cranking.

Once the engine has started the PCM activates the double start over ride. The BCM then deactivates the starter when the engine starts or the maximum time has been elapsed for the tip start (10 sec for Gas and 25 sec for Diesel) and the BCM will set the ignition from "CRANK" to "RUN"

The engine can be manually shut down by the driver with speeds over 5 MPH in any gear.