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. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. Turn the Radio on.
5. Adjust the speakers to the rear and center.
6. With the scan tool, read the active Amplifier DTCs.
  Does the scan tool display active: B14C8-12-CHANNEL 12 AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO BATTERY?
  
  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 BODY VERIFICATION TEST .
CHECK FOR VOLTAGE ON THE (X301) AMPLIFIED SUBWOOFER 2 (+) CIRCUIT

Fig 1: Measuring Voltage Between Subwoofer Speaker 2 (+) Circuit & Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Disconnect the Subwoofer Speaker harness connector.
4. Turn the ignition on.
5. Measure the voltage between the (X301) Subwoofer Speaker 2 (+) circuit and ground.
  Is there any voltage present?
  
  Yes
  - Repair the (X301) Subwoofer Speaker 2 (+) circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3.
CHECK FOR VOLTAGE ON THE (X391) AMPLIFIED SUBWOOFER 2 (-) CIRCUIT

Fig 2: Measuring Voltage Between Subwoofer Speaker 2 (-) Circuit & Ground
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage between the (X391) Subwoofer Speaker 2 (-) circuit and ground.
  Is there any voltage present?
  
  Yes
  - Repair the (X391) Subwoofer Speaker 2 (-) circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Amplifier in accordance with the Service Information. Refer to AMPLIFIER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .