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 MANUALSCHEVROLET2007AVEO L4-1.6LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLETRANSMISSION POSITION SENSOR/SWITCHTESTING AND INSPECTION
2007 Chevrolet Aveo L4-1.6L
Transmission Position Sensor/Switch: Testing and Inspection
2007 Chevrolet Aveo L4-1.6LSECTION Testing and Inspection
Park/Neutral Position Switch Inspection
1. Disconnect the park/neutral position (PNP) switch.
2. Test the continuity of each range according to the polarity and indicator circuit table.
3. If an incorrect range is displayed during testing, then replace the PNP switch.
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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.