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 MANUALSCHEVROLET2012SONIC L4-1.4L TURBOREPAIR AND DIAGNOSISDIAGRAMSELECTRICAL DIAGRAMSBODY CONTROL SYSTEMS
2012 Chevrolet Sonic L4-1.4L Turbo
Body Control Systems
2012 Chevrolet Sonic L4-1.4L TurboSECTION Body Control Systems
Body Control System Schematics
Power, Ground, Data Communications, and Subsystem References (1 of 5)
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Subsystem References (2 of 5)
F1UA, F2UA, F3UA, F4UA, F5UA, F6UA, F7UA, F8UA, and F32DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
F1DA, F2DA, F3DA, F4DA, F5DA, F6DA, F7DA, F8DA, F9DA, F10DA, F11DA, and F12DA Fuses
High Speed GMLAN Bus 1 (1 of 2)
High Speed GMLAN Bus 2 (FX3)
G105, G106, G201, and G300
G303 and G304
G302
Subsystem References (2 of 5)
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Subsystem References (3 of 5)
Power, Ground, Data Communications, and Subsystem References (1 of 5)
Headlamp Controls and Indicators
Internal Mode Switch and Tap Up/Tap Down Switches
Horn
Wiper/Washer Schematics
Front Wiper/Washer Control
Door Lock Actuators
Horn
Shift Lock
Switches and Door Ajar Indicator
Liftgate Release (Hatchback)
Steering Wheel Controls
Immobilizer
Keyless Entry
Subsystem References (3 of 5)
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Subsystem References (4 of 5)
Subsystem References (2 of 5)
Headlamps
Center Console, HVAC Module, and Hazard Switch
Tail, Stop, and Rear Turn Signal Lamps
Hydraulic Brakes
Headlamp Controls and Indicators
Fog Lamps
License Plate and Backup Lamps
Exterior Lights Schematics
Park, Turn, Hazard, and Brake Lamps Controls and Indicators
Center Console, HVAC Module, and Hazard Switch
License Plate and Backup Lamps
Park, Turn, Hazard, and Brake Lamps Controls and Indicators
Subsystem References (4 of 5)
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Subsystem References (5 of 5)
Subsystem References (3 of 5)
Key Capture
Power Moding Schematics
Charging
Switches and Door Ajar Indicator
Ignition Switch
Switches and Door Ajar Indicator
Hydraulic Brakes
Theft Deterrent
Rear Compartment Lid Release (Notchback)
Dome and Rear Compartment Lamps
Center Console, HVAC Module, and Hazard Switch
B26 Crankshaft Position Sensor (LUV)
Subsystem References (5 of 5)
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Subsystem References (4 of 5)
Rear Wiper/Washer Control (Hatchback)
Wiper/Washer Schematics
Power, Ground, and Air Inlet Actuator
RENDER: 1.0x
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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.