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Home >> Buick >> 2017 >> Verano Base, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> Rear Cross Traffic Alert System Malfunction >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool can communicate with the left side object sensor.
    • If the scan tool can not communicate with the left side object sensor 

      Refer to Circuit/System Testing - Left Side Object Sensor Malfunction.

    • If the scan tool can communicate with the left side object sensor 
  3. Verify the scan tool can communicate with the right side object sensor.
    • If the scan tool can not communicate with the right side object sensor 

      Refer to Circuit/System Testing - Right Side Object Sensor Malfunction.

    • If the scan tool can communicate with the right side object sensor 
  4. Verify that the rear cross traffic indicators turn ON and then turn OFF when commanding the Rear Cross Traffic Visual Alert Indicators ON and OFF with a scan tool.
    • If alert indicators do not turn ON and OFF 
    1. Verify the system is enabled.
      • If disabled, refer to diagnostic aids for cause of disable.
      • If enabled test or replace the display.
    • If indicators turn ON and OFF 
  5. Verify that the audible alert turns ON and then turn OFF when commanding the Rear Cross Traffic Audible Alert ON and OFF with a scan tool.
    • If the audible alert does not turn ON and OFF 
    1. Verify the system is enabled.
      • If disabled, refer to diagnostic aids for cause of disable.
      • If enabled refer to audio system malfunction.
    • If audible alert turns ON and OFF 
  6. All OK.
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