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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> (Audio System (Amplifier) - Electrical Diagnostics) >> DTC Troubleshooting >> B1473-Channel 4 Audio Speaker Output Circuit Shorted Together >> 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. With the scan tool, record and erase the Amplifier DTCs.
    3. Turn the radio on.
    4. Turn the volume level to 25.
    5. Adjust the speakers to the front and center position.
    6. With the scan tool, read the Amplifier DTCs.

      Does the scan tool display active: B1473-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT SHORTED TOGETHER?

      Yes 

      • Go to step  2

      No 

  2. CHECK THE OPERATION OF THE RIGHT FRONT DOOR SPEAKER 
    Fig 1: Checking Resistance Between Speaker Terminals
    GC0089674Courtesy of CHRYSLER LLC
    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.
      NOTE: The graphic shows the connector for reference only. Measure between the speaker terminals.

      Is the resistance of the speaker less than 1 Ohm?

      Yes 

      No 

      • Go to step  3
  3. CHECK THE (X154) RIGHT FRONT DOOR SPEAKER (+) CIRCUIT FOR A SHORT TO THE (X156) RIGHT FRONT DOOR SPEAKER (-) CIRCUIT 
    Fig 2: Checking Right Front Door Speaker (+) Circuit For A Short To Right Front Door Speaker (-) Circuit
    GC0096114Courtesy of CHRYSLER LLC
    1. Disconnect the Amplifier C2 harness connector.
    2. Measure the resistance between the (X154) Right Front Door Speaker (+) circuit and the (X156) Right Front Door Speaker (-) circuit.

      Is the resistance below 10K Ohms?

      Yes 

      No