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HOMESERVICE MANUALSJEEP2011COMPASS BASE, 2.0 A, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAMPLIFIER (AMP) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1477-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT OPENDIAGNOSTIC TEST
2011 Jeep Compass Base, 2.0 A, Standard

Diagnostic Test

2011 Jeep Compass Base, 2.0 A, 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 Amplifier DTCs.

    2. Using the scan tool, record and erase the Amplifier 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. Using the scan tool, read the active Amplifier DTCs.

      Does the scan tool display active: B1477-CHANNEL 5 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 OPERATION OF THE AMPLIFIED LEFT REAR SPEAKER 
    Fig 1: Measuring Voltage Of Amplified L-Rear Speaker Circuits In Amplified Left Rear Speaker Harness Connector
    GC0096121Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Amplified Left Rear Speaker harness connector.
    3. Turn the ignition on.
    4. Turn the radio on and turn the volume to mid level.
    5. Adjust the speakers to the rear and center.
    6. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Left Rear Speaker circuits in the Amplified Left Rear Speaker harness connector.

      Is the voltage present greater than 1 volt?

      Yes 

      • Replace the Amplified Left Rear Speaker in accordance with the Service Information.
      • Refer to Standard Procedure and perform the BODY VERIFICATION TEST.

      No 

      • Go To  3.
  3. CHECK THE (X205) AMPLIFIED LEFT REAR SPEAKER (+) CIRCUIT FOR AN OPEN 
    Fig 2: Measuring Resistance Of Amplified Left Rear Speaker (+) Circuit
    GC0099194Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Amplifier C2 harness connector.
    3. Measure the resistance of the (X205) Amplified Left Rear Speaker (+) circuit between the Amplifier C2 harness connector and the Amplified Left Rear Speaker harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go To  4.

      No 

      • Repair the (X205) Amplified Left Rear Speaker (+) circuit for an open.
      • Refer to Standard Procedure and perform the BODY VERIFICATION TEST.
  4. CHECK THE (X295) AMPLIFIED LEFT REAR SPEAKER (-) CIRCUIT FOR AN OPEN 
    Fig 3: Measuring Resistance Of Amplified Left Rear Speaker (-) Circuit
    GC0099195Courtesy of CHRYSLER LLC
    1. Measure the resistance of the (X295) Amplified Left Rear Speaker (-) circuit between the Amplifier C2 harness connector and the Amplified Left Rear Speaker harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

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

      No 

      • Repair the (X295) Amplified Left Rear Speaker (-) circuit for an open.
      • 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.