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 MANUALSCHEVROLET2012IMPALA V6-3.6LREPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSDIAGRAMSELECTRICAL DIAGRAMS
2012 Chevrolet Impala V6-3.6L
Electrical Diagrams
2012 Chevrolet Impala V6-3.6LSECTION Electrical Diagrams
Body Control System Schematics
Power and Ground
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Data Link, Starting and Charging, Engine Controls, AT Shift Lock Controls, Cruise Control, ABS, Brake Warning, Headlights/DRL and Fog Lights References
CHMSL/BCK-UP, ECM/TCM, INT LIGHTS, INT LTS/PNL DIM, LT T/SIG, ONSTAR, RT T/SIG, and RVC SEN Fuses
Ignition Switch
G101, G102, and G111
G202 and G204
Data Link, Starting and Charging, Engine Controls, AT Shift Lock Controls, Cruise Control, ABS, Brake Warning, Headlights/DRL and Fog Lights References
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Exterior Lights, Interior Lights, Interior Lights Dimming, Power Moding, and Door Lock/Indicator References
Power and Ground
Data Communication Schematics
Immobilizer
Generator
Shift Lock Controls
Cruise Control
Power, Ground, and Brake Pressure Modulator Valves
Hydraulic Brake
Headlights/Daytime Running Lights (DRL) Schematics
Fog Lights
Exterior Lights, Interior Lights, Interior Lights Dimming, Power Moding, and Door Lock/Indicator References
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Exterior Lights Schematics
Interior Lights Schematics
Door Lock/Indicator Schematics
Door Lock/Indicator Cont, Theft Deterrent, Horns, Steering Wheel, Upfitter Provisions, Wiper/Washer, and Release System References
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Exterior Lights, Interior Lights, Interior Lights Dimming, Power Moding, and Door Lock/Indicator References
Door Ajar Indicators
Theft Deterrent System
Horn
Steering Wheel Secondary/Configurable Control
Upfitter Provision Schematics
Wiper/Washer
Release Systems
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.