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Home >> Cadillac >> 2006 >> CTS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Theft Deterrent System) >> Diagnostic Information and Procedures >> Inclination Sensor Inoperative >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2007 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the inclination sensor.
  2. Ignition OFF, test for less than 1.0 ohm of resistance between the low reference circuit terminal 4 and ground.
    • If greater than the specified range, test the low reference circuit for an open/high resistance. If circuit tests normal, replace the BCM.
  3. Ignition ON, verify a test lamp illuminates between the B+ circuit terminal 1 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  4. Verify the scan tool Inclination Sensor parameter is Inactive.
    • If not the specified range, test the signal circuit terminal 3 for a short to ground or an open/high resistance. If the circuit tests normal, replace the XBCM.
  5. Install a 3 A fused jumper wire between the signal circuit terminal 3 and the low reference circuit terminal 4. Verify the scan tool Inclination Sensor Parameter is Active.
    • If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the XBCM.
  6. If all circuits test normal, replace the inclination sensor.
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