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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> (Audio System (Amplifier) - Electrical Diagnostics) >> DTC Troubleshooting >> B1461-Channel 1 Audio Speaker Output Circuit Low >> 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 and set the volume to 25.
    4. Adjust the speakers to the front and center.
    5. With the scan tool, read the active DTCs.

      Does the scan tool display active: B1461-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT LOW?

      Yes 

      • Go to step  2

      No 

  2. LEFT INSTRUMENT PANEL SPEAKER 
    Fig 1: Checking Left Instrument Panel Speaker
    GC0096077Courtesy of CHRYSLER LLC
    1. With the scan tool, erase the DTCs.
    2. Turn the ignition off.
    3. Disconnect the Left Instrument Panel Speaker harness connector.
    4. Turn the ignition on
    5. Turn the radio on with the same settings as in Step 1.
    6. With the scan tool, read the active Amplifier DTCs.

      Does the scan tool display active: B1461-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT LOW?

      Yes 

      • Go to step  3

      No 

  3. CHECK THE (X209) LEFT I/P SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND 
    Fig 2: Checking Left I/P Speaker (+) Circuit For A Short To Ground
    GC0096078Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Amplifier C1 harness connector.
    3. Measure the resistance between ground and the (X209) Left I/P Speaker (+) circuit in the Amplifier C1 connector.

      Is the resistance below 10K Ohms?

      Yes 

      No 

      • Go to step  4
  4. CHECK THE (X299) LEFT I/P SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND 
    Fig 3: Checking Left I/P Speaker (-) Circuit For A Short To Ground
    GC0096079Courtesy of CHRYSLER LLC
    1. Measure the resistance between ground and the (X299) Left I/P Speaker (-) circuit in the Amplifier C1 connector.

      Is the resistance below 10K Ohms?

      Yes 

      No