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Home >> Chevrolet >> 2005 >> Cobalt SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0022 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. 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 seat belt retractor pretensioner - RF
    • The SDM module
    • The seat belt retractor pretensioner - RF wiring harness connector
    • The SDM wiring harness connector
  1. Ignition OFF, remove the garnish molding - center pillar lower and disconnect the seat belt retractor pretensioner - RF connector. Refer to Center Pillar Lower Garnish Molding Replacement .
  2. Use the J 38715-30A to connect the J 38715-A  SIR Driver/Passenger Load Tool to the harness side of the seat belt retractor pretensioner - RF wiring harness connector. See Special Tools . Use the PASSENGER INFLATOR connector located on the load tool.
  3. Ignition ON, use a scan tool to observe the SIR DTC display. Verify DTC B0022 is set current.
    • If DTC B0022 is history replace the seat belt retractor pretensioner - RF.
  4. With the ignition OFF, disconnect and remove both the J 38715-A  and adapter. See Special Tools . Then remove the SDM connector, refer to SDM replacement in Repair Instructions for connector location.
  5. Test the high and low circuits between the SDM and seat belt retractor pretensioner - RF for a short to voltage, short to ground, or open/low resistance. Verify that a short to voltage, short to ground, or open/low resistance does not exist.
    • If any of the above conditions are found make the appropriate repair.
  6. If all circuits test normal then replace the SDM.
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