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 MANUALSJEEP2009COMPASS LIMITED, EDG, AUTOMATIC CVTREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEMFUEL INJECTION, GASOPERATIONMODES OF OPERATIONIGNITION SWITCH OFF MODE
2009 Jeep Compass Limited, EDG, Automatic CVT
Ignition Switch Off Mode
2009 Jeep Compass Limited, EDG, Automatic CVTSECTION Ignition Switch Off Mode
When the operator turns the ignition switch to the OFF position, the following occurs:
- All outputs are turned off, unless 02 Heater Monitor test is being run. Refer to EMISSIONS CONTROL .
- No inputs are monitored except for the heated oxygen sensors. The PCM monitors the heating elements in the oxygen sensors and then shuts down.
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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.