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Home >> Buick >> 2020 >> Envision Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belts >> Diagnostic Information and Procedures >> Seat Belt Indicator Malfunction - Passenger >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the passenger seat belt indicator turns ON and OFF when performing the Passenger Seat Belt Reminder Indicator On/Off Control Function 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.

    • Go to next step: If the passenger seat belt indicator turns ON and OFF 
  3. 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.

    • Go to next step: If the parameter changes between Buckled and Unbuckled when buckling and unbuckling the seat belt 
  4. All OK.
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