Терминал бортового информационного обслуживания FAW: Представлен ваш концентратор подключения 5-в-1

Welcome to this essential technical breakdown of the Терминал бортового информационного обслуживания FAW. This component is the central “Т-бокс” или “Telematics Brain” для FAW Jiefang CA4251P66K24T1A3E5 6×4 дизельный полуприцеп тягач. It is a highly advanced Electronic Control Unit (Экю) that functions as the truck’s primary communications gateway, bridging the gap between the vehicle’s internal computer networks and the outside world via the cellular network.

The “Логическая сборка” обозначение имеет решающее значение. This is not a simple data port; it is a powerful computer. The Терминал бортового информационного обслуживания FAW (Артикул: 7913010A54W-000) has its own processor, память, and 4G/GPS modems. Его “логика” is to acquire data from the truck (via CAN bus), process it, and transmit it to fleet managers for remote diagnostics, real-time tracking, and driver log compliance.

This in-depth guide is a critical resource for technicians and fleet managers. We will deconstruct the entire assembly into its two simple, but critical, типы компонентов. We will explore the complex “5-in-1” logic of the main terminal itself, identifying it as the primary Minimum Serviceable Unit (МГУ). We will also analyze the specific ‘Cross recessed pan head self-tapping screw’ (CQ2714216) used to mount it.

МГУ 1: The “Черный ящик” – Deconstructing the Terminal’s 5-in-1 Logic

Это “дольше” and most complex module. The ‘Vehicle information service terminal assy’ (7913010A54W-000) is the entire Терминал бортового информационного обслуживания FAW. Это запечатанный, non-repairable “черный ящик” and the primary Minimum Serviceable Unit (МГУ). Его “логика” is not physical, but functional. We can deconstruct it into five core logical functions.

1. Logic One: The CAN Bus Interface (The “Ears”)

The terminal’s first function is to “listen.” It is wired directly into the vehicle’s J1939 CAN bus network. This two-wire digital highway is where all the truck’s computers talk. The Терминал бортового информационного обслуживания FAW constantly monitors this data stream, “listening” for key information from other ECUs.

Это “hears” live data from the Engine ECU (об/мин, fuel consumption, давление масла, coolant temp), the ABS/EBS module (braking events, stability control), and the Body Control Module (БЦМ) (door open, lights on). This raw data is the “what” и “how” of the vehicle’s operation.

2. Logic Two: The GNSS Receiver (The “Where”)

The terminal’s second function is to know *where* it is. It contains a high-sensitivity Global Navigation Satellite System (GNSS) получатель. This receiver links to the ‘Multifunctional antenna assy’ (7903010-61Б) to get a live, constant signal from satellites, primarily GPS and/or Beidou (BDS).

This provides precise, time-stamped location data. Этот “where” logic is what gives context to the CAN bus data. The system now knows not just *that* a harsh braking event occurred, but *exactly where* on the route it happened.

3. Logic Three: The Telematics Modem (The “Voice”)

The third function is to “speak.” The Терминал бортового информационного обслуживания FAW houses a 4G/LTE cellular modem, complete with a SIM card. This is its connection to the outside world. Это занимает “what” (CAN data) и “where” (GPS data), packages it, and transmits it over the mobile network to a secure server.

This is the core of “telematics.” It allows a fleet manager, sitting in an office hundreds of miles away, to see the truck’s location, скорость, and fuel level on a live map. It also allows for two-way communication, such as sending new dispatch orders or route information *to* the truck’s dashboard.

4. Logic Four: Remote Diagnostics (The “Doctor”)

This is perhaps the most valuable “логика” for vehicle health. The Терминал бортового информационного обслуживания FAW constantly monitors the CAN bus for Diagnostic Trouble Codes (DTCs), или “fault codes.”

When the driver sees a “Проверьте двигатель” свет, the terminal *already knows* the specific code (НАПРИМЕР., “P0128 – Coolant Thermostat Malfunction”). It instantly transmits this code to the service manager. Этот “predictive maintenance” logic is revolutionary. The manager can order the exact thermostat part and schedule service *before* the driver even finishes the route, drastically reducing vehicle downtime and preventing a minor issue from becoming a major engine failure.

5. Logic Five: The Driver Log Interface (The “Logbook”)

The final function is legal compliance. The terminal often serves as the data-gathering “мозг” for the digital tachograph (like the ‘Tachograph assy’ 7914010-61Б). It combines CAN bus data (Engine On/Off, Engine Hours) with GPS data (Vehicle Speed, Location) to create a secure, tamper-proof Electronic Driver Log (EDL).

This automates the tracking of driver Hours of Service (HOS), eliminating paper logbooks and ensuring the fleet is in full legal compliance. As the central MSU, any failure in the Терминал бортового информационного обслуживания FAW can compromise all five of these functions, making its replacement a high-priority service task.

МГУ 2: The Fastening “Логика” (CQ2714216)

The second component type is the mounting hardware, «Саморез с крестообразной потайной головкой»’ (CQ2714216). The parts list calls for four (4) из этих, identifying them as a key MSU for installation.

The “логика” of these fasteners is critical. The Терминал бортового информационного обслуживания FAW is a sensitive electronic device. It cannot be allowed to vibrate or shake loose, as this can damage internal solder joints or loosen the critical wiring harness connectors.

Это “саморез” винты, meaning they are designed to be driven directly into the plastic sub-frame of the dashboard, where they cut their own threads. This creates a tight, vibration-resistant fit. The 4-point mounting pattern ensures the terminal is rigidly secured.

These screws are a specific MSU. A technician must use these exact OEM screws. Using a standard bolt or a screw with the wrong thread pitch will strip the plastic mounting boss and fail to secure the terminal, leading to rattling and eventual electronic failure.

FAW In-Vehicle Information Service Terminal Parts List

В следующей таблице представлена ​​полная, подробная разбивка всех 2 типы компонентов, указанные в Терминал бортового информационного обслуживания FAW схема трактора FAW CA4251P66K24T1A3E5.

Технические характеристики и контекст сборки

Технические характеристики Терминал бортового информационного обслуживания FAW are defined by its role as the central telematics control unit (TCU). Это “черный ящик” MSU that integrates multiple communication and processing technologies.