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HOMESERVICE MANUALSDODGE AND RAM2013JOURNEY CREW, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTTELEMATICS GATEWAY MODULE - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB143D-13-MICROPHONE 2 - CIRCUIT OPENDIAGNOSTIC TEST
2013 Dodge and Ram Journey Crew, AWD

Diagnostic Test

2013 Dodge and Ram Journey Crew, AWDSECTION Diagnostic Test
  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    Verify the connection of the Rearview Mirror harness connector.

    1. Turn the ignition on.
    2. With the scan tool, read the active DTCs.

      Does the scan tool display: B143D-13-MICROPHONE 2 - CIRCUIT OPEN as active?

      Yes 

      • Go To  2

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. CHECK THE INSIDE REARVIEW MIRROR 
    1. Turn the ignition off.
    2. Disconnect the Inside Rearview Mirror harness connector
    3. Connect a jumper wire between the (X722) Microphone 2 IN (+) and the (X723) Microphone 2 IN (-) circuits.
    4. Turn the ignition on.
    5. With the scan tool, read the DTCs.
      NOTE:

      B143D-2B-MICROPHONE 2 - WIRES SHORTED TOGETHER should display as active as a result of this test.

      Does the scan tool display: B143D-13-MICROPHONE 2 - CIRCUIT OPEN as active?

      Yes 

      • Go To  3

      No 

      • Replace the Inside Rearview Mirror in accordance with the Service Information. Refer to REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK THE (X722) MICROPHONE 2 IN (+) CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the TGW harness connector.
    3. Measure the resistance of the (X722) Microphone 2 IN (+) circuit between the Inside Rearview Mirror and TGW harness connectors.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Repair the (X722) Microphone 2 IN (+) circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Go To  4
  4. CHECK THE (X723) MICROPHONE 2 IN (-) CIRCUIT FOR AN OPEN 
    1. Measure the resistance of the (X723) Microphone 2 IN (-) circuit between the Inside Rearview Mirror and TGW harness connectors.

      Is the resistance below 5.0 Ohms?

      Yes 

      • Repair the (X723) Microphone 2 IN (-) circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Replace the TGW in accordance with the Service Information. Refer to REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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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.