Principles Of Operation

2012 Ford Fiesta L4-1.6LSECTION Principles Of Operation



Remote Function Actuator (RFA) Module

Principles of Operation

The Remote Function Actuator (RFA) module is only on vehicles equipped with the Intelligent Access (IA) feature. On vehicles equipped with this option, the RFA (Remote Function Actuator) controls the IA (Intelligent Access) and related entry/anti-theft systems (such as the power door locks and luggage compartment/liftgate release). The RFA (Remote Function Actuator) module communicates on the High Speed Controller Area Network (HS-CAN) and the Medium Speed Controller Area Network (MS-CAN). The RFA (Remote Function Actuator) module controls the following functions:

- IA (Intelligent Access) feature

- Ignition states

- Passive Anti-Theft System (PATS)

- Remote Keyless Entry (RKE) system
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.