Circuit/System Description
For an overview of the component/system, refer to: Power Windows Description and Operation
| Circuit |
Description |
| B+ - M35D Window Motor Module - Driver |
Supplied from a fuse. |
| B+ - S79P Window Switch - Passenger |
Supplied from a fuse. |
| B+ - S79LR Window Switch - Left Rear |
Supplied from a fuse. |
| B+ - S79RR Window Switch - Right Rear |
Supplied from a fuse. |
| Signal - Down @ M35D Window Motor Module - Driver |
The output circuit is switched to ground to activate the component. |
| Signal - Up @ M35D Window Motor Module - Driver |
The output circuit is switched to ground to activate the component. |
| Signal - Express @ M35D Window Motor Module - Driver |
The output circuit is switched to ground to activate the component. |
| Control - Up @ M74P Window Motor - Passenger |
The output circuit is switched from ground to 12 V to activate the component. |
| Control - Down @ M74P Window Motor - Passenger |
The output circuit is switched from ground to 12 V to activate the component. |
| Control - Up @ M74LR Window Motor - Left Rear |
The output circuit is switched from ground to 12 V to activate the component. |
| Control - Down @ M74LR Window Motor - Left Rear |
The output circuit is switched from ground to 12 V to activate the component. |
| Control - Up @ M74RR Window Motor - Right Rear |
The output circuit is switched from ground to 12 V to activate the component. |
| Control - Down @ M74RR Window Motor - Right Rear |
The output circuit is switched from ground to 12 V to activate the component. |
| Ground |
Chassis Ground |
| Component |
Description |
| S79D Window Switch - Driver |
The S79D sends a serial data message to the K9 indicating the M74 function that has been requested. |
| M35D Window Motor Module - Driver |
- Power Window Control
- The control module and the DC motor are one assembly.
|
| S79P Window Switch - Passenger |
The switch has a normally open contact. |
| M74P Window Motor - Passenger |
An electric DC motor. |
| S79LR Window Switch - Left Rear |
The switch has a normally open contact. |
| M74LR Window Motor - Left Rear |
An electric DC motor. |
| S79RR Window Switch - Right Rear |
The switch has a normally open contact. |
| M74RR Window Motor - Right Rear |
An electric DC motor. |
| K9 Body Control Module |
The module controls various vehicle functions like lighting, central door locking, power windows, etc. |