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 MANUALSGMC2013TERRAIN AWD L4-2.4LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTDIAGRAMSELECTRICAL DIAGRAMS
2013 GMC Terrain AWD L4-2.4L
Electrical Diagrams
2013 GMC Terrain AWD L4-2.4LSECTION Electrical Diagrams
Engine Controls Schematics
Module Power, Ground, Serial Data, and MIL
5V1, and Low Reference Bus (1 of 2)
5V2, 5V3, 5V4, and Low Reference Bus (2 of 2)
Engine Data Sensors - Pressure, Temperature, and Throttle Controls
Engine Data Sensors - Oxygen Sensors
Ignition Controls - Ignition System
Ignition Controls - Camshaft, Crankshaft, and Knock Sensors, and Camshaft Actuators
Fuel Controls - Fuel Injectors
Fuel Controls - Fuel Pump
Fuel Controls - Evaporative Emission and Fuel Economy Mode Controls
Controlled/Monitored Subsystem References
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.