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
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 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 front and center.
6. Using the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1400-2B-FRONT LEFT AUDIO SPEAKER OUTPUT - CIRCUIT SHORTED TOGETHER?
  
  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 LEFT FRONT SPEAKERS

Fig 1: Left Front Speakers Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. Make sure one of the front doors is still open.
2. Using the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Disconnect the Left Front Door Speaker harness connector.
5. Disconnect the Left Front Tweeter harness connector from the Left Front Tweeter.
6. Turn the ignition on.
7. Turn the radio on and set the volume to 25.
8. Using the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1400-2B-FRONT LEFT AUDIO SPEAKER OUTPUT - CIRCUIT SHORTED TOGETHER?
  
  Yes
  - Go To 4.
  No
  - Go To 3.
CHECK THE LEFT FRONT SPEAKER

Fig 2: Checking Left Front Door Speaker
Courtesy of CHRYSLER GROUP, LLC
1. Make sure one of the front doors is still open.
2. Using the scan tool, erase the DTCs.
3. Turn the ignition off.
4. Reconnect the Left Front Tweeter harness connector from the Left Front Tweeter.
5. Turn the ignition on.
6. Turn the radio on and set the volume to 25.
7. Using the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1400-2B-FRONT LEFT AUDIO SPEAKER OUTPUT - CIRCUIT SHORTED TOGETHER?
  
  Yes
  - Replace the Left Front Tweeter in accordance with the Service Information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Left Front Door Speaker in accordance with the Service Information. Refer to SPEAKER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (X201) LEFT FRONT DOOR SPEAKER (+) CIRCUIT, AND THE (X291) LEFT FRONT DOOR SPEAKER (-) CIRCUITS FOR A SHORT TOGETHER

Fig 3: Measuring Resistance Between Left Front Door Speaker (+) Circuit & Left Front Door Speaker (-) Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the TGW harness connector.
2. Measure the resistance between the (X201) Left Front Door Speaker (+) circuit, and the (X291) Left Front Door Speaker (-) circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (X201) Left Front Door Speaker (+) circuit, and the (X291) Left Front Door Speaker (-) circuit for a short together.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the TGW in accordance with the Service Information. Refer to MODULE, TELEMATICS GATEWAY, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .