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Home >> Suzuki >> 1990 >> Sidekick JS >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Air Bag System) >> Diagnostic Information and Procedures >> Passenger Presence System Indicator Circuit Malfunction >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When removing connectors inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected.
  • Inflatable restraint passenger air bag on/off indicator.
  • Inflatable restraint passenger air bag on/off indicator wiring harness.
  1. Ignition OFF, disconnect the harness connector at the inflatable restraint passenger air bag on/off indicator.
  2. Ignition OFF, test for less then 1 Ω of resistance between the ground circuit terminal 2 and ground.
    • If greater then the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify 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 circuit fuse is open, test or replace the inflatable restraint passenger air bag on/off indicator.
  4. Connect a test lamp between the control circuit terminal 3 and the ignition circuit terminal 4.
  5. With the passenger seat occupied and unoccupied test lamp should switch states within 5 seconds.
    • If the test lamp is always on, test the control circuit for a short to ground. If all circuits test normal replace the PPS module.
    • If the test lamp is always off, test the control circuit for a short to voltage or an open/high resistance. If all circuits test normal replace the PPS module.
  6. Connect a test lamp between the control circuit terminal 1 and the ignition circuit terminal 4.
  7. With the passenger seat occupied and unoccupied test lamp should switch states within 5 seconds.
    • If the test lamp is always on, test the control circuit for a short to ground. If all circuits test normal replace the PPS module.
    • If the test lamp is always off, test the control circuit for a short to voltage or an open/high resistance. If all circuits test normal replace the PPS module.
  8. If all circuits test normal, replace the inflatable restraint passenger air bag on/off indicator.
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