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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 17 (Object Detection System) >> Diagnostic Information and Procedures >> Information Center Telltale Malfunction >> Circuit/System Testing
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Circuit/System Testing

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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 information center telltale assembly
  • The object alarm module
  • The information center telltale assembly wiring harness connector
  • The object alarm module wiring harness connector
  1. Ignition ON, use the scan tool and perform the LED Test in Special Functions. The scan tool will command each indicator to turn ON then proceed to the next one.
  2. The information center telltale does turn ON then remove the information center telltale connector. Refer to information center telltale assembly replacement  in Repair Instructions for connector location.
  3. Ignition ON, connect a test lamp between the telltale assembly supply voltage circuit and any indicator control circuit on the information center telltale assembly connector. With the scan tool perform the LED Test. Verify that the test lamp illuminates.
    • If the test lamp does not illuminate replace the object alarm module.
  4. Ignition ON, use the scan tool and check for DTC B2610. Verify that DTC B2610 is not current.
    • If DTC B2610 is current refer to DTC B2610 .
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