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. Using the scan tool, record and erase the Amplifier 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 Amplifier DTCs.
  Does the scan tool display active: B1476-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT HIGH?
  
  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 FOR VOLTAGE ON THE (X303) AMPLIFIED LEFT REAR SPEAKER (+) CIRCUIT

Fig 1: Measuring Voltage Between Amplified Left Rear Speaker (+) Circuit & Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Disconnect the Amplified Left Rear Speaker harness connector.
4. Turn the ignition on.
5. Measure the voltage between ground and the (X303) Amplified Left Rear Speaker (+) circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (X303) Amplified Left Rear Speaker (+) circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK FOR VOLTAGE ON THE (X393) AMPLIFIED LEFT REAR SPEAKER (-) CIRCUIT

Fig 2: Measuring Voltage Between Amplified Left Rear Speaker (-) Circuit & Ground
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage between ground and the (X393) Amplified Left Rear Speaker (-) circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (X393) Amplified Left Rear Speaker (-) circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Amplifier in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .