Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
3. With the scan tool, read the RADIO/ETM DTCs.
  Is the DTC active?
  
  Yes
  - Go to 2.
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE ORIGINAL AND CURRENT VIN IN THE RADIO/ETM
1. Connect the diagnosis equipment to the RADIO/ETM and check the Current VIN and the Original VIN.
  Is the Current VIN and Original VIN the same?
  
  Yes
  - Replace the RADIO/ETM in accordance with the Service information. Refer to DISPLAY, RADIO, REMOVAL AND INSTALLATION .
  - Perform the Body VERIFICATION TEST.
  No
  - Because the current and original VIN numbers do not match, check recent repair work that has been performed; and if this part was swapped from another vehicle. Install the original parts to their corresponding vehicles.
  - If parts have been returned to their correct vehicles, turn the ignition from "OFF" to "ON" two times. Return to Step
  - For all other conditions, install the correct RADIO/ETM for this vehicle in accordance with the Service information. Refer to DISPLAY, RADIO, REMOVAL AND INSTALLATION .
  - Perform the Body VERIFICATION TEST.