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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 324 (Seat Belt System) >> Diagnostic Information and Procedures >> Seat Belt Indicator Malfunction - Passenger >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, have an occupant sit in the passenger seat.
  2. Verify the scan tool Passenger Presence Module Seat Occupancy Status parameter is Occupied.
    • If not Occupied 

      Replace the B60 Passenger Presence Sensor.

    • If Occupied 
  3. Verify the test lamp turns ON and OFF when commanding the Passenger Seat Belt Reminder Indicator ON and OFF with a scan tool.
    • If the passenger seat belt indicator does not turn ON and OFF 

      Refer to Circuit/System Testing - Seat Belt Indicator Malfunction.

    • If the passenger seat belt indicator turns ON and OFF 
  4. Verify the scan tool Passenger Seat Belt Status parameter changes between Buckled and Unbuckled when buckling and unbuckling the seat belt.
    • If the parameter does not change between Buckled and Unbuckled when buckling and unbuckling the seat belt 

      Refer to Circuit/System Testing - Seat Belt Switch Malfunction.

    • If the parameter changes between Buckled and Unbuckled when buckling and unbuckling the seat belt 
  5. All OK.
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