Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Verify the connection of the ANC Microphone 2 harness connector.
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the 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 .
CHECK THE ANC MICROPHONE 2
1. Turn the ignition off.
2. Disconnect the ANC Microphone 2 harness connector.
3. Turn the ignition on.
4. Wait 10 seconds.
5. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 3
  No
  - Replace the ANC Microphone 2 in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (X462) ANC MICROPHONE 2 (+) CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Turn the ignition on.
4. Check for continuity between ground and the (X462) ANC Microphone 2 (+) circuit at the Amplifier C2 harness connector.
  Is there continuity between ground and the (X462) ANC Microphone 2 (+) circuit?
  
  Yes
  - Repair the (X462) ANC Microphone 2 (+) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
CHECK THE (X463) ANC MICROPHONE 2(-) CIRCUIT FOR A SHORT TO GROUND
1. Check for continuity between ground and the (X463) ANC Microphone 2 (-) circuit at the Amplifier C2 harness connector.
  Is there continuity between ground and the (X463) ANC Microphone 2 (-) circuit?
  
  Yes
  - Repair the (X463) ANC Microphone 2 (-) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Amplifier in accordance with the Service Information. Refer to AMPLIFIER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .