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 MANUALSCHEVROLET2007IMPALA V6-3.9LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSMISSION CONTROL SYSTEMSDIAGRAMSELECTRICAL DIAGRAMSAUTOMATIC TRANSMISSION CONTROLS SCHEMATICS
2007 Chevrolet Impala V6-3.9L
Automatic Transmission Controls Schematics
2007 Chevrolet Impala V6-3.9LSECTION Automatic Transmission Controls Schematics
Automatic Transmission Controls Schematics
Power, Ground, and Serial Data
Automatic Transmission Controls Schematics 1:
Stop Lamp Switch Signal, TFT Sensor, TCC, and Shift Solenoids
Automatic Transmission Controls Schematics 2:
VSS, AT ISS Sensors, Pressure Control Solenoid Valve, and TCC Release Switch
Automatic Transmission Controls Schematics 3:
PRNDL and IMS Switch
Automatic Transmission Controls Schematics 4:
RENDER: 1.0x
NO RELATED
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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.