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HOMESERVICE MANUALSDODGE AND RAM2005MAGNUM R/T, AWDREPAIR AND DIAGNOSISELECTRICALGAUGESNAVIGATION SYSTEM & TELECOMMUNICATION SYSTEM - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1416-HFM RIGHT AUDIO OUTPUT CIRCUIT HIGHDIAGNOSTIC TEST
2005 Dodge and Ram Magnum R/T, AWD

Diagnostic Test

2005 Dodge and Ram Magnum R/T, AWDSECTION Diagnostic Test
  1. 1)  CHECK FOR ACTIVE DTC 

    With the scan tool, read the active DTC's.

    Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle.

    With the scan tool, read the active DTC's.

    Does the scan tool display this DTC as active? 

    Yes 

    1. Go To step  2).

    No 

    1. If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  2. 2)  (X704) RIGHT AUDIO OUTPUT CIRCUIT OPEN 
    Fig 1: Checking Right Audio Output Circuit
    GC0016187Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition off.

    Disconnect the Hands Free Module harness connector.

    Disconnect the Radio C1 harness connector.

    Measure the resistance of the (X704) Right Audio Output circuit between the HFM connector and the radio connector.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Go To step  3).

    No 

    1. Repair the (X704) Right Audio Output circuit for an open
    2. Perform BODY VERIFICATION TEST - VER 1 . (Refer to BODY VERIFICATION TEST - VER 1) .
  3. 3)  (X795) COMMON AUDIO OUTPUT CIRCUIT OPEN 
    Fig 2: Checking Common Audio Output Circuit
    GC0016184Courtesy of DAIMLERCHRYSLER CORP.

    Measure the resistance of the (X795) Common Audio Output circuit between the HFM connector and the radio connector.

    Is the resistance below 5.0 ohms? 

    Yes 

    1. Go To step  4).

    No 

    1. Repair the (X795) Common Audio Output circuit for an open.
    2. Perform BODY VERIFICATION TEST - VER 1 . (Refer to BODY VERIFICATION TEST - VER 1) .
  4. 4)  (X704) RIGHT AUDIO OUTPUT CIRCUIT SHORT TO VOLTAGE 
    Fig 3: Checking Right Audio Output Circuit
    GC0016190Courtesy of DAIMLERCHRYSLER CORP.

    Turn the ignition on.

    Measure the voltage of the (X704) Right Audio Output circuit.

    Is the voltage above 1.0 volts? 

    Yes 

    1. Repair the (X704) Right Audio Output circuit for a short to voltage.
    2. Perform BODY VERIFICATION TEST - VER 1 . (Refer to BODY VERIFICATION TEST - VER 1) .

    No 

    1. Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Hands Free Module in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 . (Refer to BODY VERIFICATION TEST - VER 1) .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.