Diagnostic Test

WARNING: This page is about a different car, the 2013 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on and open one of the front doors.
  NOTE:
  A front door must remain open whenever checking or erasing TGW DTCs.
2. Using the scan tool, record and erase the TGW DTCs.
3. Cycle the ignition switch 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. Using the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1408-13-REAR LEFT AUDIO SPEAKER OUTPUT - CIRCUIT OPEN?
  
  Yes
  - Go To 2.
  No
  - Test complete, 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.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE OPERATION OF THE LEFT REAR AUDIO

Fig 1: Checking The Operation Of The Left Rear Audio
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Amplifier harness connector.
3. Connect a jumper wire between the (X51) Left Rear Audio (+) circuit and the (X57) Left Rear Audio (-) circuits.
4. Turn the ignition on.
5. Adjust the speakers to the rear and center.
6. Using the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1408-13-REAR LEFT AUDIO SPEAKER OUTPUT - CIRCUIT OPEN?
  
  Yes
  - Go To 3.
  No
  - Replace the Amplifier in accordance with the Service Information. Refer to AMPLIFIER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (X51) LEFT REAR AUDIO (+) CIRCUIT FOR AN OPEN

Fig 2: Checking Left Rear Audio (+) Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the TGW harness connector.
3. Measure the resistance of the (X51) Left Rear Audio (+) circuit between the TGW harness connector and the Amplifier harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 4.
  No
  - Repair the (X51) Left Rear Audio (+) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (X57) LEFT REAR AUDIO (-) CIRCUIT FOR AN OPEN

Fig 3: Checking Left Rear Audio (-) Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance of the (X57) Left Rear Audio (-) circuit between the TGW harness connector and the Amplifier harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace the TGW in accordance with the Service Information. Refer to MODULE, TELEMATICS GATEWAY, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the (X57) Left Rear Audio (-) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .