Circuit/System Verification

Ignition ON.
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 (below) - Left Side Object Sensor Malfunction .
- If the scan tool can communicate with the left side object sensor
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 (below) - Right Side Object Sensor Malfunction .
- If the scan tool can communicate with the right side object sensor
Ignition OFF, ignition ON.
Verify that the side blind zone alert system indicator located in the appropriate outside rearview mirror turns ON and OFF when commanding the appropriate Object Detection Alert Indicator On and Off with a scan tool.
- If one or both indicators do not turn ON and OFF
  refer to Circuit/System testing (below) - Side Object Indicator Malfunction .
- If both indicators turn ONand OFF
All OK.