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.
2008 Pontiac Wave (CANADA) L4-1.6LFACTORY OEM SERVICE PROCEDURE
Transmission Position Sensor/Switch: 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.
Factory Service Tools
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.