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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> Passenger Presence System Indicator Circuit Malfunction >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the inflatable restraint passenger indicator air bag indicator module.
  2. Test for less than 1.0 ohm between the ground circuit terminal 2 and ground
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 4 and ground.
    • If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance, if the circuit tests normal and the ignition fuse is open, test or replace the inflatable restraint passenger indicator air bag indicator module.
  4. With the right front passenger seat occupied, verify that a test lamp illuminates between the control circuit terminal 1 and B+.
    • If the test lamp does not illuminate, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the PPS module.
  5. With the right front passenger seat vacant, verify that a test lamp does not illuminate between the control circuit terminal 1 and B+.
    • If the test lamp illuminates, test the control circuit for a short to ground. If the circuit tests normal, replace the PPS module.
  6. With the right front passenger seat vacant, verify that a test lamp illuminates between the control circuit terminal 3 and B+.
    • If the test lamp does not illuminate, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the PPS module.
  7. With the right front passenger seat occupied, verify that a test lamp does not illuminate between the control circuit terminal 3 and B+.
    • If the test lamp illuminates, test the control circuit for a short to ground. If the circuit tests normal, replace the PPS module.
  8. If all circuits test normal, test or replace the inflatable restraint passenger indicator air bag indicator module.
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