Diagnostic Test

CHECK FOR AN ACTIVE DTC
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. Cycle the ignition from on to off, wait five seconds and then back to on.
4. Turn the radio on and set the volume to 25.
5. Adjust the speakers to the rear and center.
6. 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 REAR 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. Disconnect the Right Rear Speaker harness connector.
5. Turn the ignition on.
6. Turn the radio on.
7. With the scan tool, read ETM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 3
  No
  - Replace the Right Rear Speaker in accordance with the Service information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (X206) RIGHT REAR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the ETM harness C1 connector.
3. Check for continuity between ground and the (X206) Right Rear Speaker (+) circuit at the ETM harness C1 connector.
  Is there continuity between ground and the (X206) Right Rear Speaker (+) circuit?
  
  Yes
  - Repair the (X206) Right Rear Speaker (+) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
CHECK THE (X296) RIGHT REAR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND
1. Check for continuity between ground and the (X296) Right Rear Speaker (-) circuit at the ETM harness C1 connector.
  Is there continuity between ground and the (X296) Right Rear Speaker (-) circuit?
  
  Yes
  - Repair the (X296) Right Rear Speaker (-) for a short to ground.
  - 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 .