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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 >> B1408-12 Rear Left Audio Speaker Output Circuit Short To Battery - 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 Radio on.
    4. Adjust the speakers to the rear and center.
    5. Using the scan tool, read the active 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. Using the scan tool, erase the DTCs.
    2. Turn the ignition off.
    3. Disconnect the Amplifier C1 harness connector from the Amplifier.
    4. Turn the ignition on.
    5. Turn the radio on.
    6. 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 FOR VOLTAGE ON THE (X51) LEFT REAR SPEAKER (+) CIRCUIT 
    1. Turn the ignition off.
    2. Disconnect the ETM C1 harness connector.
    3. Turn the ignition on.
    4. Measure the voltage between ground and the (X51) Left Rear Speaker (+) circuit.

      Is there any voltage present?

      Yes 

      • Repair the (X51) Left Rear Speaker (+) circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  4
  4. CHECK FOR VOLTAGE ON THE (X57) LEFT REAR SPEAKER (-) CIRCUIT 
    1. Measure the voltage between ground and the (X57) Left Rear Speaker (-) circuit.

      Is there any voltage present?

      Yes 

      • Repair the (X57) Left Rear Speaker (-) circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

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