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Home >> Suzuki >> 2009 >> XL7 Limited, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Air Bag System) >> Diagnostic Information and Procedure >> DTC B0083 or B0084 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2008 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to SIR SERVICE PRECAUTIONS .
When removing connectors, inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected component/connector:
  • The front end sensor
  • The SDM module
  • The front end sensor wiring harness connector
  • The SDM wiring harness connector
  1. Ignition OFF, disconnect the appropriate front end sensor connector.
  2. Disconnect the harness connector at the SDM.
  3. Ignition ON, test for less than 1 volt between the front end sensor signal circuit terminal B and ground.
    • If greater than the specified range, test the circuit for a short to voltage.
  4. Ignition ON, test for less than 1 volt between the appropriate front end sensor low reference circuit terminal A and ground.
    • If greater than the specified range, test the circuit for a short to voltage.
  5. Test for infinite resistance between the front end sensor signal circuit terminal B and ground.
    • If less than infinite resistance, test the circuit for a short to ground.
  6. Test for less then 1 ohm between the following front end sensor signal circuit terminals.
    • Right front end sensor terminal B and SDM harness connector terminal 37.
    • Left front end sensor terminal B and SDM harness connector terminal 36.
      • If greater than the specified range, test the circuit for an open/high resistance.
  7. Test for less then 1 ohm between the following front end sensor low reference circuit terminals.
    • Right front end sensor terminal A and SDM harness connector terminal 39.
    • Left front end sensor terminal A and SDM harness connector terminal 38.
      • If greater than the specified range, test the circuit for an open/high resistance.
  8. If all circuits test normal, replace the appropriate front end sensor.
  9. Reconnect all SIR components. Ignition ON, with a scan tool clear and recheck for DTCs.
    • If the front end sensor DTC returns and is current, replace the SDM.
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