车型:2011年玛莎拉蒂总裁,配置4.2L发动机。行驶里程:56738km。故障现象:白天的时候后备箱可以打开,第二天早上后备箱就打不开了。故障诊断:遥控器解锁后备箱不能打开,车内按键解锁还是一样不能打开,跟客户描述的一样。首先用机械钥匙打开后备箱,对后备箱锁电机的电源进行初步的检测。检测发现后备箱锁电机没有电压。初步判断可能是以下几个地方出现的问题:(1)后备箱锁电机的保险损坏; Model: 2011 Maserati president, equipped with 4.2L engine. Mileage: 56738km. Symptoms: trunk during the day can be opened, the trunk opened the next morning would not open. Troubleshooting: Remote control unlock trunk can not be opened, the car keys to unlock or the same can not be opened, the same as the customer described. First open the trunk with a mechanical key, the trunk lock motor power preliminary test. Detection of trunk lock motor voltage is not detected. Preliminary judgment may be the following problems: (1) trunk lock motor insurance damage;