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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 774 (Object Detection System) >> Diagnostic Information and Procedures >> DTC B0968 >> 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 indicator
  • The object alarm module
  • The information center telltale assembly indicator 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. Verify that the information center telltale indicators turn ON.
  2. Remove the object alarm module connector. Refer to object alarm module replacement in Repair Instructions for connector location.
  3. The information center telltale does turn ON then remove the rear information center telltale assembly. Refer to information center telltale assembly replacement  in Repair Instructions for connector location.
  4. Test all the indicator circuits between information center telltale assembly indicator connector and the object alarm module for a short to voltage or an open. Verify that a short to voltage or an open does not exist.
    • If any of the above conditions are found make the appropriate repair.
  5. Reconnect the object alarm module connector.
  6. Ignition ON, connect a test lamp between the telltale assembly supply voltage circuit and each indicator control circuit on the information center telltale indicator connector one at a time. With the scan tool perform the LED Test. Verify that each indicator illuminate the test lamp.
    • If the test lamp does not illuminate replace the object alarm module.
  7. Each indicator illuminate the test lamp then replace the information center telltale assembly replacement (rear). After replacement refer to Repair Verification .
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