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 at 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: B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT OPEN?
  
  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 .
CHECK THE OPERATION OF THE AMPLIFIED RIGHT FRONT DOOR SPEAKER

Fig 1: Checking Operation Of Right Front Door Speaker
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Right Front Door Speaker harness connector.
3. Turn the ignition on.
4. Turn the radio on with the settings the same as in Step 1.
5. With a voltmeter set to read in A/C voltage, measure the voltage of the Right Front Door Speaker circuits in the Right Front Door Speaker harness connector.
  Is the voltage above 1 volt?
  
  Yes
  - Replace the Right 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 .
  No
  - Go to step 3
CHECK THE (X154) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR AN OPEN

Fig 2: Checking Right Front Door Speaker (+) Circuit For An Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Measure the resistance of the (X154) Right Front Door Speaker (+) circuit between the Amplifier C2 harness connector and the Right Front Door Speaker harness connector.
  Is the resistance below 2.0 Ohms?
  
  Yes
  - Go to step 4
  No
  - Repair the (X154) Right Front Door Speaker (+) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE (X156) RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR AN OPEN

Fig 3: Checking Right Front Door Speaker (-) Circuit For An Open
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (X156) Right Front Door Speaker (-) circuit between the Amplifier C2 harness connector and the Right Front Door Speaker harness connector.
  Is the resistance below 2.0 Ohms?
  
  Yes
  - 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 .
  No
  - Repair the (X156) Right Front Door Speaker (-) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .