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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 >> B1482-00-Channel 7 Audio Speaker Output Circuit Shorted Together >> 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 rear and center.
    6. With the scan tool, read the active Amplifier DTCs.

      Is this DTC active?

      Yes 

      • Go To  2

      No 

      • 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. Repair as necessary. If no problems are found, test complete.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK THE OPERATION OF THE SUBWOOFER SPEAKER 
    1. Turn the ignition off.
    2. Disconnect the Subwoofer Speaker.
    3. Measure the resistance of the speaker between the two terminals.

      Is the resistance of the speaker less than 1 Ohm?

      Yes 

      • Replace the Subwoofer Speaker in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. CHECK THE (X306) AMPLIFIED SUBWOOFER 1 (+) CIRCUIT, AND THE (X396) AMPLIFIED SUBWOOFER 1 (-) CIRCUITS FOR A SHORT TOGETHER 
    1. Turn the ignition off.
    2. Disconnect the Amplifier C2 harness connector.
    3. Measure the resistance between the (X306) Amplified Subwoofer 1 (+) circuit, and the (X396) Amplified Subwoofer 1 (-) circuit.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the (X306) Amplified Subwoofer 1 (+) circuit, and the (X396) Amplified Subwoofer 1 (-) circuit for a short together.
      • 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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