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故障现象一辆装备2.3 L发动机、AT6自动变速器和电子车身稳定系统(ESP)的2010款东风雪铁龙C5轿车(前轮驱动),在左转弯时仪表盘上的ESP故障灯闪烁。故障诊断接车后,询问车主得知,该车曾发生过交通事故,在某综合汽车修理厂维修中更换过安全气囊、仪表台、托架、转向横拉杆、油底壳,吊装过发动机总成,维修后车辆直线行驶正常,但左转弯时右后轮会瞬间制动一下,该故障一直无法排除,请求笔者给予技术支持。对车辆进行路试检查,发现该车确有上述故障现象,试车中在左转弯时右后轮突然制动1 s左右,感觉像是ESP在校正行驶方向。
Symptom A 2010 Dongfeng Citroen C5 sedan (front-wheel drive) equipped with a 2.3 L engine, an AT6 automatic transmission and an Electronic Stability Control (ESP) flashes on the dashboard when the ESP fails. Troubleshooting After receiving the car, ask the owner to know that the car had a traffic accident, the replacement of an airbag, dashboard, bracket, tie rod, oil pan, hoisting the engine total in the repair of a comprehensive auto repair shop Into, maintenance of vehicles traveling straight, but the left when the right rear wheel brake will instantly brake, the fault has been unable to rule out, request the author to give technical support. The road test of the vehicle and found that the car does have the above symptoms, the test drive in the left when the right rear wheel suddenly brakes 1 s or so, I feel like ESP in the correct direction of travel.