Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Verify the connection of the ANC Microphone 1 harness connector.
1. Turn the ignition on.
2. With the scan tool, read Active Noise Cancellation (ANC) Module DTCs and record on the repair order.
3. With the scan tool, erase DTCs.
4. Turn the Radio on.
5. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
6. With the scan tool, read 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 .
REPLACE THE ANC MODULE IF THE DTC IS ACTIVE
1. With the scan tool, read the DTCs.
  Is the DTC active?
  
  Yes
  - Replace the ANC Module in accordance with the Service Information. Refer to MODULE, ACTIVE NOISE CANCELLATION (ANC), REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .