故障现象一辆2009年10月出厂的华林牌压缩式垃圾车(型号为HLT5060ZYS,装用朝柴CY4102-C3电控高压共轨柴油机和EQ3061TJ底盘),累计行驶里程约为1.5万km。接通电源总开关,后尾部小灯、侧灯常亮,仪表灯、前小灯只有在接通前照灯开关时才亮,起动发动机后,仪表盘上的检测制动警告灯(仪表盘上的指示灯)常亮。故障诊断与排除首先检查整车线束,包扎完好,无磨破短路现象;踩下制动踏板,制动灯亮,接通前照灯开关,仪 Symptom A Hualin compressed garbage truck (Model HLT5060ZYS, equipped with Chaoyang Chai CY4102-C3 electronically controlled high-pressure common rail diesel engine and EQ3061TJ chassis) was released in October 2009 and accumulated a total mileage of about 15,000 km. Turn on the power switch, the rear of the small lights, the side light is always on, the instrument lights, the front light only turn on the front light when the switch is lit, start the engine, the instrument panel brake warning lights (dashboard On the light) is always on. Fault diagnosis and troubleshooting First of all, check the vehicle wiring harness, wrapped intact, no wear and tear short circuit phenomenon; depresses the brake pedal, brake lights, turn on the front light switch, meter