Component Testing

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Component Testing
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the resistance of the CMP actuator solenoid. Resistance should be between 4.8-5.2 ohms.
  2. Point the CMP actuator towards a shop towel. Connect a jumper wire between the CMP actuator low reference circuit at the solenoid and ground. Connect a fused jumper wire to the CMP actuator high control circuit at the solenoid. Momentarily touch the fused jumper to battery voltage. The CMP actuator solenoid pintle should immediately extend.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.