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HOMESERVICE MANUALSJEEP2014CHEROKEE SPORT, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO (RADIO) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB140C-13-REAR RIGHT AUDIO SPEAKER OUTPUT - CIRCUIT OPEN - BASEDIAGNOSTIC TEST
2014 Jeep Cherokee Sport, AWD

Diagnostic Test

2014 Jeep Cherokee Sport, AWDSECTION Diagnostic Test
  1. CHECK FOR AN INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. Using the scan tool, record and erase the Radio DTCs.
    3. Turn the Radio on.
    4. Adjust the speakers to the rear and center.
    5. Using the scan tool, read the active Radio DTCs.

      Does the scan tool read: B140C-13-REAR RIGHT 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.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. CHECK THE RIGHT REAR SPEAKER 
    1. Turn the ignition off.
    2. Disconnect the Right Rear Speaker.
    3. Measure the resistance of the speaker between the two terminals.

      Is the resistance above 5.0 Ohms?

      Yes 

      • Replace the Right Rear Speaker in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  3
  3. CHECK THE (X206) RIGHT REAR SPEAKER (+) CIRCUIT FOR AN OPEN 
    1. Disconnect the Radio C1 harness connector.
    2. Measure the resistance of the (X206) Right Rear Speaker (+) circuit between the Radio C1 connector and the Right Rear Speaker harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Go To  4

      No 

      • Repair an open in the (X206) Right Rear Speaker (+) circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK THE (X296) RIGHT REAR SPEAKER (-) CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (X296) Right Rear Speaker (-) circuit between the Radio C1 connector, and the Right Rear Speaker harness connector.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Replace the Radio in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Repair an open in the (X296) Right Rear Speaker (-) circuit.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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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.