故障现象一辆2009款速腾1.6 L轿车,停放几小时后,发动机无法起动。故障诊断经试车发现,接通点火开关后,组合仪表无任何显示。首先对蓄电池进行检查,发现其正、负极柱均无松旷现象;用蓄电池检测仪检测蓄电池的放电情况,检测结果为良好,这说明蓄电池可正常工作。接着连接VAS5053,从 Failure phenomenon A 2009 Sagitar 1.6 L sedan, parked a few hours later, the engine can not start. Troubleshooting After the test car found that after the ignition switch, the combination of instruments without any display. First of all, check the battery and found that the positive and negative columns are not loose Kuang phenomenon; battery tester detects the battery discharge, the test result is good, indicating that the battery can work properly. Then connect the VAS5053 from