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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 >> B1408-13 Rear Left Audio Speaker Output Circuit Open - Premium >> 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, record and erase the ETM DTCs.
    3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
    4. Turn the Radio on and set the volume to 25.
    5. Adjust the speakers to the Rear and center.
    6. With the scan tool, read Entertainment Telematic Module (ETM/LTM) 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 THE OPERATION OF THE LEFT REAR SPEAKER OUTPUTS 
    1. Turn the ignition off.
    2. Disconnect the Amplifier C1 harness connector.
    3. Connect a jumper wire between the (X51) Left Rear Speaker (+) circuit and the (X57) Left Rear Speaker (-) circuits at the Amplifier C1 harness connector.
    4. Turn the ignition on.
    5. Adjust the speakers to the rear and center.
    6. With the scan tool, read Radio 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 (X51) LEFT REAR SPEAKER (+) CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the Entertainment Telematic Module (ETM/LTM) C1 harness connector.
    3. Measure the resistance of the (X51) Left Rear Speaker (+) circuit between the ETM C1 harness connector and the Amplifier C1 harness connector.

      Is the resistance below 3.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair the (X51) Left Rear Speaker (+) circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  4. CHECK THE (X57) LEFT REAR SPEAKER (-) CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (X57) Left Rear Speaker (-) 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 the (X57) Left Rear Speaker (-) circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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