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 Saturn Vue XR, 3.6 7, AWDFACTORY OEM SERVICE PROCEDURE
Circuit/System Testing
- Ignition OFF, disconnect the harness connector at the OnStar® button assembly.
- Test for less than 10 Ω between the button assembly ground circuit terminal E and ground.
- If greater than the specified range, test the ground circuit for an open/high resistance.
- Ignition ON, test for less than 1 V between the keypad signal circuit terminal B and ground.
- If greater than the specified range, test the keypad signal circuit for a short to voltage. If the circuit tests normal, replace the CIM.
- Ignition OFF, test for 600 k-800 k Ω between the keypad signal circuit terminal B and ground.
- If less than the specified range, test the keypad signal circuit for a short to ground. If the circuit tests normal, replace the CIM.
- If greater than the specified range, test the keypad signal circuit for an open/high resistance. If the circuit tests normal, replace the CIM.
- Ignition ON, test for 9.5-10.5 V between the keypad supply voltage circuit terminal A and ground.
- If less than the specified range, test the supply voltage circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the CIM.
- If greater than the specified range, test the supply voltage circuit for a short to voltage. If the circuit tests normal, replace the CIM.
- If all circuits test normal, test or replace the button assembly.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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