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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1936 (ENGINE CONTROLS AND FUEL - 3.5L - DTC P0010 TO DTC P0232)DTC P0010COMPONENT TESTING
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Component Testing
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Component Testing
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Static Test
- Ignition OFF, disconnect the CMP actuator solenoid harness connector at the CMP actuator solenoid.
- Test for 4.6-5.2 ohms between the high control terminal 1 and the low reference terminal 2 of the CMP actuator solenoid.
- If the resistance is not within the specified range, replace the CMP actuator solenoid.
IMPORTANT:
Ensure that the component is tested at 20°C (68°F).
Dynamic Test
- Install fused jumper wire between the high control terminal 1 and 12 volts. Install a jumper wire between the low reference terminal 2 and momentarily connect to ground.
- Point the CMP actuator solenoid towards a shop towel. Observe the operation of the solenoid immediately extends.
- If the function does not perform as specified, replace the CMP actuator solenoid.
IMPORTANT:
Do not allow the solenoid to be energized for more than 2 seconds.
RENDER: 1.0x
NO RELATED
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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.