Circuit/System Testing

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: When removing connectors inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected component/connector.
    • The Passenger AIR BAG ON/OFF indicator
    • The PPS module
    • The Passenger AIR BAG ON/OFF indicator wiring harness connector
    • The PPS wiring harness connector
  1. Ignition OFF, disconnect the PPS module connector located under the passenger seat.
  2. Disconnect the Passenger AIR BAG ON/OFF Indicator connector.
  3. Test the Passenger AIR BAG ON/OFF indicator ignition 1 voltage circuit for a short to ground, a high resistance or an open. Verify that a short to ground, a high resistance or an open does not exist.
    • If any of the above conditions are found make the appropriate repair.
  4. Test both ON and OFF indicator control circuits between the Passenger AIR BAG ON/OFF indicator and the PPS for a short to voltage, high resistance or an open. Verify that a short to voltage, a high resistance or an open does not exist.
    • If any of the above conditions are found make the appropriate repair.
  5. Reconnect the PPS connector then turn the ignition ON, engine OFF. Then connect a test lamp between the ignition 1 voltage circuit and Passenger Air Bag OFF indicator control circuit on the Passenger AIR BAG ON/OFF indicator connector. With the passenger front seat empty verify the test lamp illuminate.
    • If test lamp does not illuminate replace the PPS.
    • If test lamp illuminate replace the Passenger AIR BAG ON/OFF Indicator.
RENDER: 1.0x

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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.