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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 233 (Object Detection System) >> Diagnostic Information and Procedures >> Side Object Sensor Malfunction >> Circuit/System Verification
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Circuit/System Verification

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  1. Ignition ON, verify the scan tool can communicate with right side object sensor.
    • If the scan tool can not communicate with the right side object sensor, refer to Right Side Object Sensor Malfunction
  2. Verify the scan tool can communicate with left side object sensor.
    • If the scan tool can not communicate with the left side object sensor, refer to Left Side Object Sensor Malfunction
  3. Ignition ON, verify that the side blind zone alert system indicators located in the outside rearview mirrors briefly turn ON and then turn OFF during the system self test.
    • If both indicators do not briefly illuminate during the system self test, the side blind zone alert system has been disabled. Refer to Diagnostic Aids.
    • If only one indicator does not briefly illuminate during the self test, refer to Side Object Indicator Malfunction.
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