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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 446 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0079 or B0080 >> Circuit/System Verification

Circuit/System Verification

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  1. Verify that DTC B0079 08 or B0080 08 is not set.
    • If the DTC is set with the symptom byte 08 

      Replace the appropriate seat position sensor

    • If the DTC is not set with the symptom byte 08 
  2. Verify that DTC B0079 or B0080 is not set.
    • If the DTC is set 

      Refer to Circuit/System Testing

    • If the DTC is not set 
  3. Ignition ON, observe the appropriate scan tool seat position sensor parameter. Verify the parameter is either forward or rearward.
    • If the parameter is neither forward or rearward 

      Refer to Circuit/System Testing

    • If the parameter is either forward or rearward 
  4. With the seat un-occupied, observe the scan tool while moving the seat to the full forward and then full rearward positions. Verify the seat position sensor parameter varies between Forward and Rearward.
    • If the parameter does not vary 

      Refer to Circuit/System Testing

    • If the parameter varies between Forward and Rearward 
  5. All OK.
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