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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> (Audio System (Amplifier) - Electrical Diagnostics) >> DTC Troubleshooting >> B1477-Channel 5 Audio Speaker Output Circuit Open >> Diagnostic Test

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. Turn the radio on.
    3. With the scan tool, erase the Amplifier DTCs.
    4. With the scan tool, reset the Amplifier.
    5. With 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 step  2

      No 

  2. CHECK THE OPERATION OF THE LEFT REAR SPEAKER 
    Fig 1: Checking Operation Of Left Rear Speaker
    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 

      No 

      • Go to step  3
  3. CHECK THE (X205) LEFT REAR SPEAKER (+) CIRCUIT FOR AN OPEN 
    Fig 2: Checking Left Rear Speaker (+) Circuit For An Open
    GC0116595Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Amplifier C2 harness connector.
    3. Measure the resistance of the (X205) Left Rear Speaker (+) circuit between the Amplifier C2 harness connector and the Left Rear Speaker harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go to step  4

      No 

  4. CHECK THE (X295) LEFT REAR SPEAKER (-) CIRCUIT FOR AN OPEN 
    Fig 3: Checking Left Rear Speaker (-) Circuit For An Open
    GC0116596Courtesy of CHRYSLER LLC
    1. Measure the resistance of the (X295) Left Rear Speaker (-) circuit between the Amplifier C2 harness connector and the Left Rear Speaker harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      No