Diagnostic Test

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 Amplifier DTCs.
2. With the scan tool, record and erase the Amplifier DTCs.
3. With the scan tool, reset the amplifier.
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 Amplifier DTCs.
  Does the scan tool display active: B146B-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT LOW?
  
  Yes
  - Go to step 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the SYSTEM 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 DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
LEFT FRONT DOOR SPEAKER

Fig 1: CHECKING LEFT FRONT DOOR SPEAKER
Courtesy of CHRYSLER LLC
1. With the scan tool, erase the DTCs.
2. Turn the ignition off.
3. Disconnect the Left Front Door Speaker harness connector.
4. Turn the ignition on
5. Turn the radio on with the same settings as in Step 1.
6. With the scan tool, read the active Amplifier DTCs.
  Does the scan tool display active: B146B-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT LOW?
  
  Yes
  - Go to step 3
  No
  - Replace the Left Front Door Speaker in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE (X153) LEFT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND

Fig 2: Checking Left Front Door Speaker (+) Circuit For A Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Measure the resistance between ground and the (X153) Left Front Door Speaker (+) circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (X153) Left Front Door Speaker (+) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 4
CHECK THE (X155) LEFT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND

Fig 3: Checking Left Front Door Speaker (-) Circuit For A Short To Ground
Courtesy of CHRYSLER LLC
1. Measure the resistance between ground and the (X155) Left Front Door Speaker (-) circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (X155) Left Front Door Speaker (-) for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Amplifier in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .