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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Anti-Theft System - Passive Anti-Theft System (Pats), With Intelligent Access) >> Description And Operation >> Passive Anti-Theft System (PATS) - With Intelligent Access (IA) >> Component Description >> Start-Stop Switch

Start-Stop Switch

WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

The start/stop switch is a momentary contact switch that is hardwired to the RFA  module, BCM  , and the PCM  . When the switch is pressed, it signals the RFA  module, BCM  , and the PCM  that there is a request to either switch the ignition on or start the engine. The start/stop switch is connected to both the RFA  module and BCM  as a backup in case of a failure. If there is a circuit failure to either module from the start/stop switch, the modules communicate the start/stop switch request to each other over the MS-CAN  .

If the vehicle is running and moving at a speed greater than 8 kmh (5 mph), the engine can be shut down by pressing the start/stop switch 3 times within 2 seconds.

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