Toyota's North American division announced its decision to conduct a voluntary recall, which involved about 45,500 units of the Highlander Hybrid and Lexus RX 400h as many as 36,700 vehicles in model year 2006 and 2007. Japanese car manufacturers are finding a problem in the Hybrid System Inverter on each car. Intelligent Power Module (IPM), which lies in it contains a control board with transistors. Some parts of the transistor on the control board, in the subject vehicles are not subject enough solder. This is potentially damaged from the heat caused by a large current flow during high-load driving, If this happens, the warning light will in a variety of on the instrument panel. In most cases, the vehicle will enter a mode of fail-safe driving, resulting in reduced power but the vehicle can still be driven for short distances. In limited cases, the power supply circuit fuse may blow up when the transistor is damaged. If the fuse is broken, the hybrid system will stop and the vehicle will immediately cease.
source: okezone
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