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案例1苏州金龙KLQ6125B1A型客车制动灯工作不良故障现象一辆行驶里程约为52万km的苏州金龙KLQ6125B1A型客车(配置广西玉柴YC6L330-30发动机和金龙KLQ6125E3底盘),驾驶人反映,该车在安全检查站检查时,制动灯不亮,安全例检不合格,需要停班修理,但该车在行车时踩制动踏板却发现制动灯能点亮。故障诊断车辆到维修厂检修,维修技术人员接车后进行试车,其结果表明驾驶人所反映情况属实。按照车辆检修先内后外、先易后难的原则,首先检查该车的相关熔丝,制动灯熔丝未熔断,试着踩制动踏板,检查制动灯继电器,
Case 1 Suzhou Jinlong KLQ6125B1A passenger car brake lights work failure symptoms A mileage of about 520000 km of Suzhou Jinlong KLQ6125B1A bus (configuration Guangxi Yuchai YC6L330-30 engine and Dragon KLQ6125E3 chassis), the driver reported that the car In the security checkpoint inspection, the brake lights do not shine, safety inspection failed, you need to stop repair, but the car tread brake pedal while driving was found that the brake lights can be lit. Fault diagnosis vehicles to the repair shop maintenance, maintenance technicians take the test after the car, the results show that drivers reflect the situation is true. In accordance with the vehicle maintenance first inside and outside, the first easy after the difficult principle, first check the car’s fuse, the brake light fuse is not blown, try to step on the brake pedal, check the brake light relay,