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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> Passenger Presence System Indicator Circuit Malfunction >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 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.
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