System Power Window and central lock is a series of electrical body that serves to open and close the window automatically by using a switch, the motor power window rotates when the power window switch is pressed. The power window rotation will change up and down through the window regulator to open or close the window and to lock all car doors simultaneously with a single press lock or unlock switch. Components of the power window and central lock systems include power window main switch, power window switch, power window regulator, power window motor, central lock module, central lock motor, central lock fuse switch and battery. The type of motor used in the power window is a permanent magnet DC motor type. Troubleshooting / damage that often occurs in the power window system located on the power window switch, fuse and braking circuit. While the central lock often occurs damage to the rusty door lock, the motor dynamo is weakened, the fuse, and module central lock. The manufacture of power windows and central lock system booths using components owned by Toyota Avanza. All components are assembled and turned on to work.