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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 >> B1405-Front Right Audio Speaker Output Circuit Low >> Diagnostic Test

Diagnostic Test

  1. 1) INTERMITTENT CONDITION 

    Turn the ignition on.

    With the scan tool, clear all Radio DTC's.

    Turn the Radio on.

    With the scan tool, read the DTC information.

    Does the scan tool read: B1405-FRONT RIGHT 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) (X202) RIGHT FRONT SPEAKERS (+) CIRCUIT SHORTED TO GROUND 
    Fig 1: Measuring Resistance Between Ground And Right Front Speakers Circuit
    GC0058790Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the Radio harness connector.

    Disconnect the Front Right Audio Speaker harness connector.

    Measure the resistance between ground and the (X202) Right Front Speakers (+) circuit.

    Is the resistance below 1000.0 ohms? 

    Yes 

    1. Repair the (X202) Right Front Speakers (+) circuit for a short to ground condition.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Go to  3).
  3. 3) (X292) RIGHT FRONT SPEAKERS (-) CIRCUIT SHORTED TO GROUND 
    Fig 2: Measuring Resistance Between Ground And Right Front Speakers (-) Circuit
    GC0058791Courtesy of CHRYSLER LLC

    Measure the resistance between ground and the (X292) Right Front Speakers (-) circuit.

    Is the resistance below 1000.0 ohms? 

    Yes 

    1. Repair the (X292) Right Front Speakers (-) circuit for a short to ground condition.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Go to  4).
  4. 4) SPEAKER 

    Connect the Radio harness connector.

    With the Front Right Audio Speaker still disconnected, turn the ignition on.

    Turn the Radio on.

    With the scan tool, clear all Radio DTC's.

    With the scan tool, read the DTC information.

    Does the scan tool read: B1405-FRONT RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW? 

    Yes 

    1. Replace the Front Right Audio Speaker in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Test Complete.