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 MANUALSCHEVROLET2009IMPALA V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSDIAGRAMSELECTRICAL DIAGRAMS
2009 Chevrolet Impala V6-3.5L
Electrical Diagrams
2009 Chevrolet Impala V6-3.5LSECTION Electrical Diagrams
Automatic Transmission Controls Schematics
Power, Ground, and Serial Data
Stop Lamp Switch Signal, TFT Sensor, TCC, and Shift Solenoids
VSS, AT ISS Sensors, Pressure Control Solenoid Valve, and TCC Release Switch
PRNDL, and IMS Switch
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.