Windows: Description and Operation

A permanent magnet motor operates each of the power side windows. Each motor raises or lowers the glass when voltage is supplied to it. The direction the motor turns depends on the polarity of the supply voltage. The side window switches control the supply voltage polarity.

The LF Door Lock and Side Window Switch controls all motors. The other window switches controls only the window regulator motor in that door.

Each motor is protected by a built-in circuit breaker. If a window switch is held too long with the window obstructed or after the window is fully up or down, the circuit breaker opens the circuit. The circuit breaker resets automatically as it cools.

Master Window Switch Operation
When the Ignition Switch is in Run, battery voltage is supplied to the LF Door Lock and Side Window Switch through the PWR WDO Circuit Breaker and the YEL (343) wire. When the LF Window Up Switch is operated, battery voltage is supplied to the LF Side Window Regulator Motor through the DK BLU (164) wire. The window motor is grounded through the BRN (165) wire and the window switch Down contact.

The regulator motor runs to drive the window up. When the Down switch is operated, battery voltage is supplied to the window regulator motor in the opposite direction through the BRN (165) wire. The window regulator motor is grounded through the DK BLU (164) wire and the window switch Up contact. The motor runs to drive the window down.

Individual Window Switch Operation
When the Ignition Switch is in Run, battery voltage is supplied to the RF Door Lock and Side Window Switch through the PWR WDO Circuit Breaker and the YEL (343) wire to terminal E When the Up switch in the RF Window switch is operated, battery voltage is supplied to the R/F Side Window Regulator Motor through the DK BLU (666) wire. The motor is grounded through the BRN (667) wire, the Down contact in the window switch, the TAN (167) wire and the Down contact in the LF Door Lock and Side Window Switch. The motor runs to drive the window up. When the Down switch in the window switch is operated, battery voltage is supplied to the window regulator motor in the opposite direction through the BRN (667) wire. The motor is grounded through the DK BLU (666) wire, the Up contact in the window switch, the LT BLU (166) wire and the Up contact in the LF Door Lock and Side Window Switch. The motor runs to drive the window down.