- Cidade de Chang Chun, Província de Jilin, China
por 
Bem-vindo a esta análise crítica do Terminal de dados de veículos de conexão rápida FAW (P/N: 7925040-92C). This component is a vital, yet simple, “lógica” montagem para FAW Jiefang CA4251P66K24T1A3E5 6×4 trator semirreboque diesel. It functions as the primary, standardized interface for accessing the vehicle’s onboard computer network (CAN bus). Esse “plug-and-play” port is the gateway for all modern telematics and diagnostic tools.
O “lógica” do Terminal de dados de veículos de conexão rápida FAW is one of “open access.” Unlike a fully integrated telematics box (like the ‘Vehicle Information Service Terminal’), this component provides a universal socket. Esse “lógica” allows fleet managers to adopt a “Bring Your Own Device” (BYOD) strategy, plugging in their preferred third-party telematics or fleet management hardware (Por exemplo, Geotab, Samsara, Verizon Connect) without any complex wire splicing.
This in-depth guide is essential for fleet managers, técnicos, e especialistas em peças. The assembly is extremely simple, consisting of only one primary Minimum Serviceable Unit (Universidade Estadual de Moscou). We will deconstruct the powerful “lógica” of this single terminal, explaining what data it provides, how it functions for both telematics and diagnostics, and analyzing its physical construction as the sole MSU.
O Terminal de dados de veículos de conexão rápida FAW (7925040-92C) is the answer to a major problem in the fleet industry: telematics interoperability. In the past, installing a third-party telematics device was a high-risk, high-cost procedure. A technician would have to spend hours cutting, tapping, and splicing into the truck’s OEM wiring harnesses (like the CAN bus and power lines) para “listen” to the data. This process was prone to error, could void vehicle warranties, and created multiple points of potential electrical failure.
O “lógica” of this assembly is to eliminate that risk entirely. O Terminal de dados de veículos de conexão rápida FAW is an OEM-installed “data tap” ou “gateway.” Ele fornece uma limpeza, seguro, and standardized socket (typically a J1939-compliant 9-pin Deutsch connector or a 16-pin OBD-II style port) that is already integrated into the vehicle’s network.
Esse “plug-and-play” functionality is revolutionary for fleet management. It allows a company that operates a “mixed fleet” (Por exemplo, LFM, Volvo, Freightliner) to use a *single* telematics provider across all their trucks. The installation process is transformed from a 3-hour wiring job into a 3-minute “plug-in” task.
O “Firewall” Lógica:
This component is not just a “burro” extension cord. O Terminal de dados de veículos de conexão rápida FAW often contains its own minimal logic board that acts as a secure “firewall.” Este é um recurso de segurança crítico. It allows third-party devices to “read” (listen to) the vehicle’s broadcast data (like speed, RPM, combustível, etc.) but *prevents* them from “writing” (sending) commands back onto the CAN bus.
Esse “read-only” gateway logic is essential. It prevents a malfunctioning or poorly designed third-party telematics device from accidentally interfering with critical vehicle functions, such as sending a stray command that could confuse the ABS, transmissão, or engine ECUs. O Terminal de dados de veículos de conexão rápida FAW ensures the safety and integrity of the truck’s core operating system.
O “Dual-Purpose” Lógica:
This port serves two masters. While its primary design may be for telematics, it is also the *exact same port* a technician uses for service and diagnostics. When a truck pulls into a service bay, the technician connects their diagnostic laptop (running FAW-specific software) to this very `FAW Quick-Connect Vehicle Data Terminal`.
This dual-purpose “lógica” means the port must be robust and reliable. It is the single point of entry for reading fault codes (DTCs), viewing live sensor data, and performing advanced service functions like “forced” DPF regeneration or recalibrating sensors.
When a device is plugged into the Terminal de dados de veículos de conexão rápida FAW, it gains immediate access to the rich data stream broadcast on the truck’s J1939 CAN bus. This data is the “lógica” behind all modern fleet management.
Key data points provided by this interface include:
The assembly itself, the ‘Quick-connect vehicle data terminal assy’ (7925040-92C), is the single Minimum Serviceable Unit (Universidade Estadual de Moscou). This part is not just the port visible on the dashboard; it is a complete assembly that includes the port, a mounting bracket, and a short wiring pigtail with a connector on the back.
Construção: The port is made from high-grade, impact-resistant ABS polymer. It is designed with a specific “keying” (the shape of the port) to ensure that only the correct J1939/OBD-II connector can be inserted, and only in the correct orientation. The pins inside are high-quality, often gold-plated, to ensure a perfect, corrosion-free electrical connection over tens of thousands of insertion/removal cycles.
Modos de falha & Facilidade de manutenção:
As the primary MSU of the Terminal de dados de veículos de conexão rápida FAW, failures are almost always physical.
Service is simple. A technician will unbolt the damaged Terminal de dados de veículos de conexão rápida FAW from under the dashboard, unplug its pigtail from the main cab harness, and install the new MSU. No wiring is required.
A tabela a seguir fornece o completo, detailed breakdown of the single component type identified in the Terminal de dados de veículos de conexão rápida FAW diagrama para o trator FAW CA4251P66K24T1A3E5.
| Marca | Parte não. | Nome da peça | Quantidade |
|---|---|---|---|
| 1 | 7925040-92C | Quick-connect vehicle data terminal assy | 1 |
As especificações para o Terminal de dados de veículos de conexão rápida FAW are defined by its role as a universal, “plug-and-play” access port for the vehicle’s internal data network.
| Aplicação em veículos | FAW Jiefang CA4251P66K24T1A3E5 6×4 Trator |
| Grupo de Componentes | Terminal de dados de veículos de conexão rápida FAW |
| Conjunto principal P/N | 7925040-92C |
| Tipo de sistema | Telematics Gateway / Porta de diagnóstico (OBD/J1939) |
| Interface “Lógica” | “Plug-and-Play” for 3rd-Party Telematics (BYOD) |
| Data Protocol | J1939 (Ônibus CAN) |
| Key Functions | Fleet Management Data, Service Diagnostics, DTC Reading |
| Lógica de Segurança | Read-Only Data “Firewall” (Típico) |
| Physical Connector | J1939 9-Pin or 16-Pin OBD-II style |
| Minimum Serviceable Unit | ‘Quick-connect vehicle data terminal assy’ (7925040-92C) |
Peças FAW, incluindo o conjunto do bloco de cilindros, são embalados com cuidado para garantir uma entrega segura. Cada componente é protegido por materiais de proteção para evitar danos durante o transporte. A rede logística garante envios pontuais em todo o mundo, apoiando operações de manutenção eficientes. Abaixo está uma imagem ilustrando a embalagem padrão para peças de caminhão FAW, mostrando a atenção aos detalhes no manuseio e armazenamento.
Esta abordagem de embalagem minimiza o risco de corrosão ou danos por impacto, garantindo que peças como o conjunto do bloco de cilindros FAW cheguem em perfeitas condições. Os clientes podem confiar na logística da FAW para obter qualidade e confiabilidade consistentes.
FAW é um dos maiores e mais antigos fabricantes automotivos da China, com capital social de RMB 35.4 bilhões de yuans e ativos totais de RMB 457.83 bilhão de yuans.
CHINA FAW GRUPO CO., LTDA. (abreviação de FAW), anteriormente China First Automobile Works, pode traçar suas raízes até julho 15, 1953, quando sua primeira montadora começou a ser construída. FAW é um dos maiores e mais antigos fabricantes automotivos da China, com capital social de RMB 35.4 bilhões de yuans e ativos totais de RMB 457.83 bilhão de yuans.
Vendas globais de caminhões pesados na China “cinco seguidas”, vendas de caminhões pesados em todo o mundo “seis seguidas”, vendas de tratores para 16 anos consecutivos líder absoluto na indústria.
