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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> Side Blind Zone 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 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 
  3. 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 
  4. Ignition OFF, ignition ON.
  5. Verify that both 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 side blind zone alert indicators do not briefly turn ON and OFF 
    1. Verify the system is enabled
      • If disabled, refer to diagnostic aids for cause of disable.
      • If enabled, refer to Circuit/System Testing - Side Object Indicator Malfunction.
    • If only one indicator does not briefly illuminate during the self test 

      Refer to Circuit/System Testing - Side Object Indicator Malfunction.

    • If both side blind zone alert indicators briefly turn ON and OFF 
  6. All OK.
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