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Home >> Dodge and Ram >> 2022 >> ProMaster 3500 Van Cargo >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio (Radio) (ETM) - DTCS B1400-11 To B1562-12 >> Diagnosis And Testing >> B1404-11-Front Right Audio Speaker Output-Circuit Short To Ground >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN INTERMITTENT CONDITION 
    NOTE:

    This vehicle has a Front Tweeter Speaker wired in parallel with the Front Door Speaker.

    1. Turn the ignition.
    2. Using the scan tool, record and erase the Radio DTCs.
    3. Turn the Radio on.
    4. Adjust the speakers to the front and center.
    5. Using the scan tool, read the active Radio DTCs.

      Does the scan tool read: B1404-11-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND?

      Yes 

      • Go To  2

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the appropriate 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 THE RIGHT FRONT SPEAKERS 
    1. Using the scan tool, erase the DTCs.
    2. Turn the ignition off.
    3. Disconnect the Right Front Speaker harness connector from the Right Front Speaker.
    4. Disconnect the Right Front Tweeter Speaker harness connector from the Right Front Tweeter Speaker.
    5. Turn the ignition on.
    6. Turn the radio on.
    7. Using the scan tool, read the active Radio DTCs.

      Does the scan tool read: B1404-11-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND?

      Yes 

      • Go To  4

      No 

      • Go To  3
  3. CHECK THE RIGHT FRONT TWEETER SPEAKER 
    1. Make sure one of the front doors is still open.
    2. Using the scan tool, erase the DTCs.
    3. Turn the ignition off.
    4. Re-connect the Right Front Speaker harness connector to the Right Front Speaker.
    5. Turn the ignition on.
    6. Turn the radio on.
    7. Using the scan tool, read the active Radio DTCs.

      Does the scan tool read: B1404-11-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT SHORT TO GROUND?

      Yes 

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

      No 

      • Replace the Right Front Tweeter Speaker in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  4. CHECK THE (X202) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND 
    1. Turn the ignition off.
    2. Disconnect the Radio C1 harness connector.
    3. Measure the resistance between ground and the (X202) Right Front Door Speaker (+) circuit.

      Is the resistance below 5.0 Ohms?

      Yes 

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

      No 

      • Go To  5
  5. CHECK THE (X292) RIGHT FRONT DOOR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND 
    1. Measure the resistance between ground and the (X292) Right Front Door Speaker (-) circuit.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Repair the (X292) Right Front Door Speaker (-) circuit for a short to ground.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

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