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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (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 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the ignition OFF, Disconnect the inside accessory switch connector. Inspect the connector for damage or corrosion that may cause a malfunction
    • If a condition exists, make the appropriate repair.
  2. Ignition ON, test the ignition 1 voltage circuit for 9-16 volts. If ignition 1 voltage is not present, test for an open/high resistance or a short to ground.
    • If a condition exists, make the appropriate repair.
  3. With the ignition OFF, Connect a test lamp between the ignition 1 voltage circuit and the passenger air bag OFF indicator control circuit at the accessory switch connector terminals. Ignition ON, test lamp should illuminate.
    • If the test lamp illuminates, replace the accessory switch.
  4. Test the passenger air bag OFF indicator control circuits for a short to ground, open/high resistance.
    • If a condition exists, make the appropriate repair
  5. Replace the PPS.
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