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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0080 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Important: When removing connectors, inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected component/connector:
  • The seat position sensor
  • The SDM module
  • The seat position sensor wiring harness connector
  • The SDM wiring harness connector
  1. Ignition OFF, disconnect the right SPS connector and inspect the component and harness sides for damage or corrosion.
    • If damage or corrosion is found, repair or replace as necessary.
  2. Test for less than 2.0 ohm of resistance between low reference terminal 1 and ground.
    • If greater than specified, test the low reference circuit for open/high resistance. If the circuit tests normal, replace the SDM.
  3. Ignition ON. Test for 4.5 - 5.5 volts between the signal circuit terminal 2 and ground.
    • If less that the specified range, test the signal circuit for open/high resistance or a short to ground. If the circuit tests normal, replace the SDM.
    • If greater that the specified range, test the signal circuit for a short to voltage.
  4. If the circuits test normal, replace the seat position sensor.
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