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A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.).
It is able to do this by flashing a check engine light on the car's instrument panel and storing the information about a malfunction in its memory. When taken to a service center, the ECM uses this same light to "talk" to the mechanic through a flashing code that indicates where the problem is. On Cadillacs, the proper code is digitally displayed.
A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.
Included in this system is a proprietary 5-pin ALDL that interfaces with the Engine Control Module (ECM) to initiate a diagnostic request and provide a serial data stream. The protocol communicates at 160 baud with Pulse-width modulation (PWM) signaling and monitors all engine management functions. It reports real-time sensor data, component ...
A new F-150 Raptor was announced in January 2021, with a high-output version of the 3.5L V6 EcoBoost engine. [29] A fully electric version of the F-150 was unveiled on May 19, 2021, marketed as the Ford F-150 Lightning. [27] [30] For the 2024 model year, the F-150 received a mid-cycle refresh, with revised grilles, taillights, and headlights.
The BCM communicates with other on-board computers via the car's CAN bus system, and its main application is controlling load drivers – actuating relays that in turn perform actions in the vehicle such as locking the doors, flashing the turn signals (in older cars), or dimming the interior lighting.
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The twelfth generation of the Ford F-Series is a light-duty pickup truck that was produced by Ford from the 2009 to 2014 model years. Initially slotted between the Ford Ranger and Ford Super Duty in size, the F-150 became the smallest Ford truck in North America following the 2011 withdrawal of the Ranger (in North America).