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车型:2011年新君越,配置2.0T发动机。VIN:LSGGF53F1BH××××××。故障现象:发动机故障灯、ESC灯亮,仪表信息中心提示请检修ESC,发动机动力下降。故障诊断:使用诊断仪GDS2读取发动机控制模块故障码为P2138加速踏板位置(APP)传感器1-2不合理。在维修之前先了解一下该车型的节气门执行器控制系统,控制框图如
Model: New LaCrosse 2011, equipped with 2.0T engine. VIN: LSGGF53F1BH ××××××. Symptom: Engine fault light, ESC light, instrument information center tips ESC, engine power down. Fault Diagnosis: Using the diagnostic GDS2 to read the engine control module fault code P2138 accelerator pedal position (APP) sensor 1-2 is not reasonable. Before the maintenance of the models to understand the throttle actuator control system, the control block diagram such as