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HOMESERVICE MANUALSJEEP2011COMPASS LIMITED, FWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO (RADIO) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPENDIAGNOSTIC TEST
2011 Jeep Compass Limited, FWD, Standard

Diagnostic Test

2011 Jeep Compass Limited, FWD, StandardSECTION Diagnostic Test
  1. CHECK FOR AN INTERMITTENT CONDITION 
    1. Turn the ignition on and open one of the front doors.
      NOTE:

      A front door must remain open whenever checking or erasing Radio DTCs.

    2. Using the scan tool, record and erase the Radio DTCs.
    3. Turn the Radio on.
    4. Adjust the speakers to the front and center.
    5. Using the scan tool, read the active Radio DTCs.

      Does the scan tool read: B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

      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.
      • Refer to Standard Procedure and perform the BODY VERIFICATION TEST.
  2. CHECK THE LEFT FRONT SPEAKER 
    Fig 1: Checking Left Front Speaker
    GC0138642Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Left Front Speaker.
    3. Measure the resistance of the speaker between the two terminals.
      NOTE:

      The graphic shows the connector for reference only. Measure between the speaker terminals.

      Is the resistance above 5.0 Ohms?

      Yes 

      • Replace the Left Front Speaker in accordance with the Service Information. An open Tweeter will not set this code.
      • Refer to Standard Procedure and perform the BODY VERIFICATION TEST.

      No 

      • Go To  3.
  3. CHECK THE (X201) LEFT FRONT SPEAKER (+) CIRCUIT FOR AN OPEN 
    Fig 2: Checking Left Front Speaker (+) Circuit For An Open
    GC0138643Courtesy of CHRYSLER LLC
    1. Disconnect the Radio C2 harness connector.
    2. Measure the resistance of the (X201) Left Front Speaker (+) circuit between the Radio C2 connector, and the Left Front Speaker harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  4.

      No 

      • Repair an open in the (X201) Left Front Speaker (+) circuit.
      • Refer to Standard Procedure and perform the BODY VERIFICATION TEST.
  4. CHECK THE (X291) LEFT FRONT SPEAKER (-) CIRCUIT FOR AN OPEN 
    Fig 3: Checking Left Front Speaker (-) Circuit For An Open
    GC0138644Courtesy of CHRYSLER LLC
    1. Measure the resistance of the (X291) Left Front Speaker (-) circuit between the Radio C2 connector, and the Left Front Speaker harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Replace the Radio in accordance with the Service Information.
      • Refer to Standard Procedure and perform the BODY VERIFICATION TEST.

      No 

      • Repair an open in the (X291) Left Front Speaker (-) circuit.
      • Refer to Standard Procedure and perform the BODY VERIFICATION TEST.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.