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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 1291 ((Amplifier (Amp) - Electrical Diagnostics - 2500 Hd & 3500 Hd)) >> DTC Troubleshooting >> B146F-12-Channel 4 Audio Speaker Output - Circuit Short To Battery >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN INTERMITTENT CONDITION 
    1. Turn the ignition on.
    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 and set the volume to 20.
    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: B146F-12-CHANNEL 4 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 .
  2. CHECK FOR VOLTAGE ON THE (X202) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT 
    1. Turn the ignition off.
    2. Disconnect the Amplifier C2 harness connector.
    3. Disconnect the Right Front Door Speaker harness connector.
    4. Turn the ignition on.
    5. Measure the voltage between the (X202) Right Front Door Speaker (+) circuit and ground.

      Is there any voltage present?

      Yes 

      • Repair the (X202) Right Front Door Speaker (+) circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. CHECK FOR VOLTAGE ON THE (X292) RIGHT FRONT DOOR SPEAKER (-) CIRCUIT 
    1. Measure the voltage between the (X292) Right Front Door Speaker (-) circuit and ground.

      Is there any voltage present?

      Yes 

      • Repair the (X292) Right Front Door Speaker (-) 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.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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