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Home >> Jeep >> 2007 >> Wrangler Rubicon, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio System & Video System - Electrical Diagnostics >> Audio/Video Systems - Electrical Diagnostics >> DTC Troubleshooting >> B1475-Channel 5 Audio Speaker Output Circuit Low >> Diagnostic Test

Diagnostic Test

  1. 1) CHECK FOR AN INTERMITTENT CONDITION 

    Turn the ignition on, then off, and then on again.

    With the scan tool, read Amplifier DTCs.

    Does the scan tool display active: B1475-CHANNEL 5 AUDIO SPEAKER OUTPUT CIRCUIT LOW? 

    Yes 

    1. Go to  2).

    No 

    1. The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
    2. Perform BODY VERIFICATION TEST - VER 1 .
  2. 2) CHECK THE (X205) AMPLIFIED LEFT REAR SPEAKER (+) CIRCUIT FOR A SHORT TO GROUND 
    Fig 1: Measuring Resistance Between Ground And Amplified Left Rear Speaker (+) Circuit
    GC0058816Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the Amplifier C2 harness connector.

    Disconnect the Left Rear Speaker harness connector.

    Measure the resistance between ground and the (X205) Amplified Left Rear Speaker (+) circuit.

    Is the resistance below 10K ohms? 

    Yes 

    1. Repair the (X205) Amplified Left Rear Speaker (+) circuit for a short to ground.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Go to  3).
  3. 3) CHECK THE (X295) AMPLIFIED LEFT REAR SPEAKER (-) CIRCUIT FOR A SHORT TO GROUND 
    Fig 2: Measuring Resistance Between Ground And Amplified Left Rear Speaker (-) Circuit
    GC0058817Courtesy of CHRYSLER LLC

    Measure the resistance between ground and the (X295) Amplified Left Rear Speaker (-) circuit.

    Is the resistance below 10K ohms? 

    Yes 

    1. Repair the (X295) Amplified Left Rear Speaker (-) for a short to ground.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Go to  4).
  4. 4) CHECK OPERATION OF THE AMPLIFIED LEFT REAR SPEAKER 
    Fig 3: Measuring Resistance Of Speaker Circuit Between Amplifier C2 Harness Connector And Ground
    GC0058818Courtesy of CHRYSLER LLC

    Reconnect and reinstall the Left Rear Speaker.

    Measure the resistance of the speaker circuit between the Amplifier C2 harness connector and ground.

    Is the resistance below 10K ohms? 

    Yes 

    1. Replace the Left Rear Speaker in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Replace the amplifier in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 .
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