مجموعة المنطق الكهربائية لهيكل FAW: دليل أساسي للنظام الكهربائي الكامل

Welcome to this essential technical analysis of the مجموعة المنطق الكهربائية لهيكل FAW. This comprehensive system is the complete electrical backbone for the FAW Jiefang CA4251P66K24T1A3E5 6×4 جرار نصف مقطورة ديزل. It functions as the vehicle’s central nervous system, managing everything from power generation and storage to lighting, بيانات الاستشعار, and safety system operation. This document deconstructs the entire assembly into its primary sub-systems and minimum serviceable units.

على المدى “تجميع المنطق” signifies that this is far more than just a box of wires. ال مجموعة المنطق الكهربائية لهيكل FAW is an integrated network of high-amperage power lines, data communication harnesses, and intelligent components. It is responsible for the “منطق” that governs the truck’s operation—for example, ensuring that the ABS system receives power and sensor readings, or that the correct signal light illuminates when the driver hits the switch.

For technicians, مديري الأسطول, ومتخصصين في قطع الغيار, understanding this system is critical. A failure is rarely just a single wire; it’s often a component within a larger, interconnected “منطق” مجموعة. This guide will break down the مجموعة المنطق الكهربائية لهيكل FAW into its three core functional areas: توليد الطاقة & تخزين, The Harness & Distribution Network, and The End-Point Components (أضواء, أجهزة الاستشعار, and Switches).

جوهر 1: توليد الطاقة & Storage Assemblies

أساس مجموعة المنطق الكهربائية لهيكل FAW is its ability to create, store, and distribute high-amperage current. This is handled by three primary “overall purchase” عناصر, which are typically replaced as complete units.

1. Alternator Assy (3701010-36د): This is the power plant of the truck. يتم تشغيلها بواسطة حزام ملحقات المحرك, the alternator generates AC current, which it then rectifies to DC current to power all onboard systems and, بشكل حاسم, لإعادة شحن البطاريات. A failure here will cause the مجموعة المنطق الكهربائية لهيكل FAW to drain the batteries, bringing the truck to a halt. This is a primary serviceable assembly.

2. بطارية ASSY (3703010-1086 & 3703010A1086): The parts list calls for two battery assemblies. This is standard for a 24-volt heavy-duty system, with two 12V batteries connected in series. These assemblies are the truck’s energy reservoirs, providing the immense cranking amps needed for the ‘Starter assy’ and stabilizing the voltage for the entire مجموعة المنطق الكهربائية لهيكل FAW. Batteries are the most frequently replaced component in this group.

3. كاتب آسى (3708010-530-C00): This is the single largest consumer of electricity on the vehicle. Its sole function is to engage the engine’s flywheel and turn the crankshaft, initiating combustion. It draws its power directly from the batteries via a heavy-gauge cable, which is a key part of the مجموعة المنطق الكهربائية لهيكل FAW‘s power distribution. It is considered a non-serviceable unit in the field and is replaced as a whole.

جوهر 2: ال “منطق” – يسخر & Distribution Network

This section represents the true “منطق” التابع مجموعة المنطق الكهربائية لهيكل FAW. These harnesses are the complex web of wires that act as the vehicle’s nervous system, carrying power and data signals to every corner of the chassis. They are not simple wires, but complex, pre-formed assemblies designed to fit the chassis perfectly and resist vibration, حرارة, والتآكل.

These components are arguably the most complex part of the entire مجموعة المنطق الكهربائية لهيكل FAW. They are bundled, insulated, and terminated with high-grade, multi-pin connectors that lock into place.

Main Chassis Harnesses (على سبيل المثال, 3724260-96ق, 3724265-97ر): The parts list identifies several “chassis electric harness assy” عناصر. These are the main arteries. "اليسار".’ و"صحيح".’ harnesses run the length of the truck frame, carrying signals for the rear combination lamps, مستشعرات ABS, and trailer connections.

توزيع الطاقة (على سبيل المثال, 3724100A92W, 3722155A92W): This group includes critical power-carrying lines. The ‘Power line assy-battery to starting relay…’ (3724100A92W) is the main heavy-gauge cable for the starter. The ‘Chassis electric fuse box & قوس عاصي’ (3722155A92W) is a critical minimum serviceable unit; it is the central protection point for the entire مجموعة المنطق الكهربائية لهيكل FAW. While the harness is one part, the fuses *within* it are the MSUs.

System-Specific Harnesses (على سبيل المثال, 3724115-61ب, 3724410-91دبليو): ال مجموعة المنطق الكهربائية لهيكل FAW is also composed of specialized sub-harnesses. The ‘ABS main harness assy for towing vehicle’ (3724115-61ب) is a safety-critical component dedicated *only* to the anti-lock braking system. بصورة مماثلة, the ‘Engine electric harness assy’ (3724410-91دبليو) acts as the bridge, allowing the chassis to communicate with the engine’s electronic control unit (وحدة نقدية أوروبية).

Service for these components is precise. A single damaged pin or a corroded wire can disable an entire sub-system. In most cases, a damaged harness is replaced as a complete assembly, as field repairs are unreliable.

جوهر 3: End-Point Components (أضواء, أجهزة الاستشعار & مفاتيح)

These components are the “الحواس” و “voice” التابع مجموعة المنطق الكهربائية لهيكل FAW. They are the inputs (أجهزة الاستشعار, المفاتيح) and outputs (أضواء, قرون) that the driver and the vehicle’s ECUs interact with. These are the most common minimum serviceable units (وحدات التخزين المتنقلة).

Lighting Assemblies (على سبيل المثال, 3711015-91W-C00, 3716015-91W-C00): The parts list includes the complete ‘Left/Right front combination lamp assy’ and ‘Left/Right rear combination lamp assy’. These assemblies are overall purchase parts, but the bulbs *inside* them are the true MSUs. This group also includes the ‘Side marker lamp assy’ (3733010-55أ) and the ‘Fog lamp’ التجميعات (3732015-91W-C00), which are all part of the integrated مجموعة المنطق الكهربائية لهيكل FAW.

أجهزة الاستشعار (على سبيل المثال, 3757010-2000-C00, 3802020-76أ): هذه هي “nerves” that send data back to the driver and the ECUs. The ‘Air pressure sensor’ (3757010-2000-C00) is critical for the brake system. The ‘Electronic tachograph sensor assy’ (3802020-76أ) provides vehicle speed data. The ‘Fuel sensor’ (3806040-54دبليو) reports the fuel level. These sensors are all MSUs that can be individually diagnosed and replaced.

مفاتيح & المحركات (على سبيل المثال, 3736010-61ب, 3754010-63ش): These components translate physical action into electrical signals or vice-versa. The ‘Power master switch assy’ (3736010-61ب) is the main cut-off for the entire system. The ‘Differential lock switch assy’ (3834050-A0E) sends a signal to engage the axle. Actuators like the ‘Solenoid valve assy’ (3754010-63ش) and the ‘Fuel shutoff solenoid valve’ (3806045-1516) are where the مجموعة المنطق الكهربائية لهيكل FAW performs physical work, turning electrical commands into mechanical motion.

FAW Chassis Electrical Logic Assembly Parts List

الجدول التالي يوفر كامل, تفصيل مفصل للجميع 53 المكونات المحددة في مجموعة المنطق الكهربائية لهيكل FAW رسم تخطيطي للجرار FAW CA4251P66K24T1A3E5.

المواصفات الفنية وسياق التجميع

المواصفات ل مجموعة المنطق الكهربائية لهيكل FAW are defined by its function as the primary electrical distribution and control network for the vehicle. This system is engineered for durability, serviceability, and reliable operation in demanding, high-vibration environments.