Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

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 front and center.
6. With the scan tool, read the active Amplifier DTCs.
  Does the scan tool display active: B146A-12-CHANNEL 3 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 STANDARD PROCEDURE .
CHECK FOR VOLTAGE ON THE (X201) LEFT FRONT DOOR SPEAKER (+) CIRCUIT

Fig 1: Checking Voltage On Left Front Door Speaker (+) Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Disconnect the Left Front Door Speaker harness connector.
4. Turn the ignition on.
5. Measure for voltage between the (X201) Left Front Door Speaker (+) circuit and ground.
  Is there any voltage present?
  
  Yes
  - Repair the (X201) Left Front Door 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 (X291) LEFT FRONT DOOR SPEAKER (-) CIRCUIT

Fig 2: Checking Voltage On Left Front Door Speaker (-) Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure for voltage between the (X291) Left Front Door Speaker (-) circuit and ground.
  Is there any voltage present?
  
  Yes
  - Repair the (X291) Left Front Door 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. Refer to AMPLIFIER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .