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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> (Audio System (Amplifier) - Electrical Diagnostics) >> DTC Troubleshooting >> B1468-Channel 2 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. With the scan tool, record and erase the Amplifier DTCs.
    3. With the scan tool, reset the amplifier.
    4. Turn the radio on and set the volume to 25.
    5. Adjust the speakers to the front and center.
    6. With the scan tool, read the active Amplifier DTCs.

      Does the scan tool display active: B1468-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

      Yes 

      • Go to step  2

      No 

  2. CHECK THE OPERATION OF THE RIGHT INSTRUMENT PANEL SPEAKER 
    Fig 1: Checking Operation Of Right Instrument Panel Speaker
    GC0096092Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Right Instrument Panel Speaker harness connector.
    3. Turn the ignition on.
    4. Turn the radio on with the settings as they were in Step 1.
    5. With a voltmeter set to read A/C voltage, measure the voltage of the Amplified Right I/P Speaker circuits in the Right Instrument Panel Speaker harness connector.

      Is the voltage present greater than 1 volt?

      Yes 

      No 

      • Go to step  3
  3. CHECK THE (X208) RIGHT I/P SPEAKER (+) CIRCUIT FOR AN OPEN 
    Fig 2: Checking Right I/P Speaker (+) Circuit For An Open
    GC0096093Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Amplifier C1 harness connector.
    3. Measure the resistance of the (X208) Right I/P Speaker (+) circuit between the Amplifier C1 harness connector and the Right Instrument Panel Speaker harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      • Go to step  4

      No 

  4. CHECK THE (X298) RIGHT I/P SPEAKER (-) CIRCUIT FOR AN OPEN 
    Fig 3: Checking Right I/P Speaker (-) Circuit For An Open
    GC0096094Courtesy of CHRYSLER LLC
    1. Measure the resistance of the (X298) Right I/P Speaker (-) circuit between the Amplifier C1 harness connector and the Right Instrument Panel Speaker harness connector.

      Is the resistance below 2.0 Ohms?

      Yes 

      No