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.
2009 Chrysler 300 V6-2.7LFACTORY OEM SERVICE PROCEDURE
5V Power Supplies
5 VOLT SUPPLIES
Primary 5-volt supply:
- supplies the required 5 volt power source to the Crankshaft Position (CKP) sensor.
- supplies the required 5 volt power source to the oil pressure sensor (if equipped).
- supplies the required 5 volt power source to the Pedal Value Sensor #1.
- supplies a reference voltage for the Throttle Position Sensor (TPS) sensors 1 AND 2.
Secondary 5-volt supply:
- supplies the required 5 volt power source for the Camshaft Position Sensor.
- supplies the 5 volt power source to the EGR position sensor (if equipped).
- supplies a reference voltage for the Manifold Absolute Pressure (MAP) sensor.
- supplies the 5 volt power source to the Pedal Value Sensor #2, SRV Position Feedback sensor (if equipped).
- supplies the 5 volt power source to the transmission variable line pressure sensor (if equipped with 42RLE transmission).
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.