Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read Radio DTCs and record on the repair order.
3. With the scan tool, erase DTCs.
4. With the scan tool, read Radio DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE FRONT ROOF LAMP UNIT
1. Turn the ignition off.
2. Disconnect the Front Roof Lamp Unit harness connector.
3. With the scan tool, erase Radio DTCs,
4. Cycle the ignition on 3 times.
5. With the scan tool, read Radio DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Front Roof Lamp Unit in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete.