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Home >> Fiat >> 2015 >> 500L Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> (Audio (Radio) - Electrical Diagnostics - 500L) >> DTC Troubleshooting >> B1404-13-Front Right Audio Speaker Output - Circuit Open - Premium >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN INTERMITTENT CONDITION 
    1. Turn the ignition on.
    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: B1404-13-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT OPEN?

      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 THE AMPLIFIER 
    1. Turn the ignition off.
    2. Disconnect the Amplifier C1 harness connector.
    3. Connect a jumper wire between the (X54) Right Front Audio (+) circuit and the (X56) Right Front Audio (-) circuits.
    4. Turn the ignition on.
    5. Turn the Radio on.
    6. Adjust the speakers to the front and center.
    7. Using the scan tool, read the active Radio DTCs.

      Does the scan tool read: B1404-13-FRONT RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT OPEN?

      Yes 

      • Go To  3

      No 

      • Replace the Amplifier in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  3. CHECK THE (X54) RIGHT FRONT AUDIO (+) CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the Radio C1 harness connector.
    3. Measure the resistance of the (X54) Right Front Audio (+) circuit between the Radio C1 connector and the Amplifier C1 harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair an open in the (X54) Right Front Audio (+) circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  4. CHECK THE (X56) RIGHT FRONT AUDIO (-) CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (X56) Right Front Audio (-) circuit between the Radio C1 harness connector, and the Amplifier C1 harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

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

      No 

      • Repair an open in the (X56) Right Front Audio (-) circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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