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. With 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. With the scan tool, read the active TGW DTCs.
  Does the scan tool display active: B1400-13-FRONT 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 LEFT FRONT DOOR SPEAKER

Fig 1: Measuring Resistance Of Speaker Between Two Terminals
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Left Front Door Speaker harness connector.
3. Measure the resistance of the speaker between the two terminals.
  NOTE:
  The graphic shows the connector for reference only. Measure between the speaker terminals.
  
  Is the resistance above 5.0 Ohms?
  
  Yes
  - 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 .
  No
  - Go To 3.
CHECK THE LEFT FRONT TWEETER

Fig 2: Measuring Resistance Of Speaker Between Two Terminals
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Left Front Tweeter harness connector.
3. Measure the resistance of the speaker between the two terminals.
  NOTE:
  The graphic shows the connector for reference only. Measure between the speaker terminals.
  
  Is the resistance above 5.0 Ohms?
  
  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
  - Go To 4.
CHECK THE (X201) LEFT FRONT DOOR SPEAKER (+) CIRCUIT FOR AN OPEN

Fig 3: Checking Left Front Door Speaker (+) Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the TGW harness connector.
2. Measure the resistance of the (X201) Left Front Door Speaker (+) circuit between the TGW harness connector and the Left Rear Speaker harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 5.
  No
  - Repair the (X201) Left Front Door Speaker (+) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE (X291) LEFT FRONT DOOR SPEAKER (-) CIRCUIT FOR AN OPEN

Fig 4: Checking Left Front Door Speaker (-) Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance of the (X291) Left Front Door Speaker (-) circuit between the TGW harness connector and the Left Front Door Speaker 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 (X291) Left Front Door Speaker (-) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .