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Circuit/System 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.
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 lower center pillar trim and disconnect the seat belt retractor pretensioner - RF connector. Refer to Trim Panel Replacement - Lower Center Pillar .
  2. Connect the J 38715-A  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. Ignition OFF, disconnect and remove the J 38715-A  . See Special Tools . Then remove the SDM connector, refer to Control Module References for connector location.
  5. Disconnect the SDM harness connector.
  6. Test the high and low circuits between the SDM and seat belt retractor pretensioner - RF for a short to voltage, short to ground, an open, or 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.
  7. If all circuits test normal then replace the SDM.
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