Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2023CAMARO SS, 2D COUPE, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTHEATED GLASS/DEFOGGERSFIXED AND MOVEABLE WINDOWSDIAGNOSTIC INFORMATION AND PROCEDURESPOWER WINDOWS MALFUNCTION (CONVERTIBLE)CIRCUIT/SYSTEM DESCRIPTION
2023 Chevrolet Camaro SS, 2D Coupe, Standard Trans
Circuit/System Description
2023 Chevrolet Camaro SS, 2D Coupe, Standard TransSECTION Circuit/System Description
For an overview of the component/system, refer to: Power Windows Description and Operation
| Circuit | Description |
|---|---|
| B+ - M74D Window Motor - Driver | Supplied from a fuse. |
| B+ - M74P Window Motor - Passenger | Supplied from a fuse. |
| B+ - M74LR Window Motor - Left Rear | Supplied from a fuse. |
| B+ - M74RR Window Motor - Right Rear | Supplied from a fuse. |
| Signal - Down@M74D Window Motor - Driver | The output circuit is switched to ground to activate the component. |
| Signal - Express@M74D Window Motor - Driver | The output circuit is switched to ground to activate the component. |
| Signal - Up@M74D Window Motor - Driver | The output circuit is switched to ground to activate the component. |
| Signal - Down@M74P Window Motor - Passenger | The output circuit is switched to ground to activate the component. |
| Signal - Express@M74P Window Motor - Passenger | The output circuit is switched to ground to activate the component. |
| Signal - Up@M74P Window Motor - Passenger | The output circuit is switched to ground 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. |
| M74 Window Motor | The motor M74 is a bidirectional DC motor that moves the component: Front Power Windows & Rear Power Windows |
| S79P Window Switch - Passenger | The switch has a normally open contact. |
| K9 Body Control Module | The module controls various vehicle functions like lighting, central door locking, power windows, etc. |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.