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Home >> Fiat >> 2016 >> 500 c Easy, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 ((Entertainment TELEMATIC Module (ETM) - Electrical Diagnostics - 500 - Electric)) >> DTC Troubleshooting >> B1404-13-Front Right Audio Speaker Output-Circuit Open-Base >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    This vehicle has a Front Tweeter wired in parallel with the Front Door Speaker.

    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. Cycle the ignition from on to off, wait five seconds and then back to on.
    4. Turn the ETM on and set the volume to 25.
    5. Adjust the speakers to the front and center.
    6. 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 THE RIGHT FRONT DOOR SPEAKER 
    1. Turn the ignition off.
    2. Disconnect the Right Front Door Speaker harness connector.
    3. Measure the resistance of the speaker between the two terminals.

      Is the resistance above 3.0 Ohms?

      Yes 

      • Replace the Right Front Door Speaker in accordance with the Service Information. An open Tweeter will not set this code. Refer to SPEAKER, REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. CHECK THE RIGHT FRONT TWEETER 
    1. Turn the ignition off.
    2. Disconnect the Right Front Tweeter harness connector.
    3. Measure the resistance of the speaker between the two terminals.

      Is the resistance above 3.0 Ohms?

      Yes 

      • Replace the Right Front Tweeter in accordance with the Service Information. An open Tweeter will not set this code. Refer to SPEAKER, REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  4
  4. CHECK THE (X202) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR AN OPEN 
    1. Disconnect the ETM harness C1 connector.
    2. Measure the resistance of the (X202) Right Front Speaker (+) circuit between the ETM C1 harness connector and the Right Front Speaker harness connector.

      Is the resistance below 3.0 Ohms?

      Yes 

      • Go To  5

      No 

      • Repair the (X202) Right Front Speaker (+) circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  5. CHECK THE (X292) RIGHT FRONT SPEAKER (-) CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (X292) Right Front Speaker (-) circuit between the ETM C1 harness connector and the Right Front Door Speaker harness connector.

      Is the resistance below 3.0 Ohms?

      Yes 

      No 

      • Repair the (X292) Right Front Speaker (-) circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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