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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 - Base >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on and open one of the front doors.
      NOTE:

      A front door must remain open whenever checking or erasing Entertainment Telematic Module (ETM/LTM) DTCs.

    2. With the scan tool, read ETM DTCs and record on the repair order.
    3. With the scan tool, erase DTCs.
    4. Cycle the ignition from on to off, wait five seconds and then back to on.
    5. Turn the radio on and set the volume to 25.
    6. Adjust the speakers to the rear and center.
    7. With the scan tool, read ETM DTCs.

      Did the DTC return?

      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. If no problems are found, test complete.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK FOR VOLTAGE ON THE (X205) LEFT REAR SPEAKER (+) CIRCUIT 
    1. Turn the ignition off.
    2. Disconnect the ETM C1 harness connector.
    3. Disconnect the Left Rear Speaker harness connector from the Left Rear Speaker.
    4. Turn the ignition on.
    5. Measure the voltage between ground and the (X205) Left Rear Speaker (+) circuit at the ETM C1 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (X205) Left Rear Speaker (+) circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. CHECK FOR VOLTAGE ON THE (X295) LEFT REAR SPEAKER (-) CIRCUIT 
    1. Measure the voltage between ground and the (X295) Left Rear Speaker (-) circuit at the ETM C1 harness connector.

      Is there any voltage present?

      Yes 

      • Repair the (X295) 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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