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一辆丰田皇冠 (ＣＲＯＷＮ)轿车行驶速度已超过6 0ｋｍ/ｈ ,按要求 ,该车速度在 6 0ｋｍ/ｈ～ 12 0ｋｍ/ｈ内应能自动变换档位。但自动变速器仍无法自动变换档位。造成变速器不能自动变换档位的原因可能是发动机、电子控制系统或自动变速器这 3部分有故障。该车电子控制系统电?
A Toyota crown (CROWN) sedan speed has exceeded 60km / h, according to the requirements of the car speed in 60km / h ~ 12 0km / h should be able to automatically shift gears. However, the automatic transmission still can not shift the gear automatically. The reason that the transmission can not change gears automatically may be the failure of the engine, electronic control system or automatic transmission. The car electronic control system electricity?