How the Circuit Works: Notes
CAUTION:
Disconnect the window switch connector before you start. You could unintentionally switch the window to "automatic down" while working in the driver's or front passenger's door with the power on. The moving glass could injure your arms, hands, or fingers.
The power windows system is a multiplex controlled system. The control units that operate within the power window system are:
- Driver's MPCS unit
- Front Passenger's MPCS unit
- MICU
The power window master switch, left rear power window switch, and right rear power window switch have control blocks within the switches to communicate the multiplex signals. The front passenger's power window switch does not have a control block within the switch and uses the front passenger's MPCS unit to communicate the passenger's window request.
Each motor is protected by a non-serviceable built-in circuit breaker. The circuit breaker will reset automatically as it cools.