Circuit/System Testing

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the Yaw Rate/Lateral Accelerometer.
  2. Test for less than 6 ohms between the low reference circuit terminal 5 and ground.
    • If greater than the specified range, test for an open/high resistance in the low reference circuit. If the circuit tests normal, replace the EBCM.
  3. Ignition ON, test for 11.8-12.2 volts between the 12-volt reference circuit terminal 3 and ground.
    • If less than the specified range, test the 12-volt reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the EBCM.
    • If greater than the specified range, test the 12-volt reference circuit for a short to voltage. If the circuit tests normal, replace the EBCM.
  4. If all circuits test normal, replace the Yaw Rate/Lateral sensor.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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