Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
This vehicle has a Front Tweeter wired in parallel with the Front Speaker.
1. Turn the ignition on and open one of the front doors.
  NOTE:
  A front door must remain open whenever checking or erasing Entertainment Telematic Module (ETM/LTM) DTCs.
2. With the scan tool, read ETM DTCs and record on the repair order.
3. With the scan tool, erase ETM DTCs.
4. Cycle the ignition from on to off, wait five seconds and then back to on.
5. Turn the radio on and set the volume to 25.
6. Adjust the speakers to the front and center.
7. With the scan tool, read ETM DTCs.
  Did the DTC return?
  
  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 RIGHT FRONT SPEAKERS
1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Disconnect the Right Front Door Speaker harness connector.
4. Disconnect the Right Front Tweeter harness connector from the Right Front Tweeter.
5. Turn the ignition on.
6. Turn the ETM on and set the volume to 25.
7. With the scan tool, read ETM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 4
  No
  - Go To 3
CHECK THE RIGHT FRONT SPEAKER
1. Make sure one of the front doors is still open.
2. With the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Re-connect the Right Front Tweeter harness connector from the Right Front Tweeter.
5. Turn the ignition on.
6. Turn the radio on and set the volume to 25.
7. With the scan tool, read ETM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Right Front Tweeter in accordance with the service information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Right Front Door Speaker in accordance with the service information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (X202) RIGHT FRONT SPEAKER (+) CIRCUIT, AND THE (X292) RIGHT FRONT SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER
1. Disconnect the ETM C1 harness connector.
2. Check for continuity between the (X202) Right Front Speaker (+) circuit and the (X292) Right Front Speaker (-) circuit at the ETM C1 harness connector.
  Is there continuity between the (X202) Right Front Speaker (+) circuit and the (X292) Right Front Speaker (-) circuit?
  
  Yes
  - Repair the (X202) Right Front Speaker (+) circuit and the (X292) Right Front Speaker (-) circuit for a short together.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the ETM in accordance with the service information. Refer to REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .