Circuit/System Verification

Ignition ON.
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 Right Side Object Sensor Malfunction .
- If the scan tool can communicate with the right side object sensor
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 Left Side Object Sensor Malfunction .
- If the scan tool can communicate with the left side object sensor
Ignition OFF, ignition ON.
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 when ignition is initially turned ON.
- If both side blind zone alert indicators do not briefly turn ON and OFF
  The system may have been disabled, refer to Diagnostic Aids . If system has not been disabled, refer to Side Object Indicator Malfunction .
- If only one indicator does not briefly illuminate during the self test
  Refer to Side Object Indicator Malfunction .
- If both side blind zone alert indicators briefly turn ON and OFF
All OK.