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Home >> Fiat >> 2017 >> 500 Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> (Entertainment TELEMATIC Module (ETM) - Electrical Diagnostics - 500 - Except Electric) >> 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 Entertainment Telematic Module (ETM/LTM) DTCs.
    3. Turn the ETM on.
    4. Adjust the speakers to the front and center.
    5. Using the scan tool, read the ETM DTCs.

      Is the DTC active?

      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) Radio Right Front Audio (+) circuit and the (X56) Radio Right Front Audio (-) circuits at the Amplifier C1 harness connector.
    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 ETM DTCs.

      Is the DTC active?

      Yes 

      • Go To  3

      No 

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

      Is the resistance below 3.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair an open in the (X54) Radio 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) Radio Right Front Audio (-) circuit between the ETM C1 harness connector, and the Amplifier C1 harness connector.

      Is the resistance below 3.0 Ohms?

      Yes 

      • Replace the ETM in accordance with the service information. Refer to REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

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