Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

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 BODY VERIFICATION TEST .
CHECK THE INSIDE REARVIEW MIRROR

Fig 1: Inside Rearview Mirror Harness Connector End View
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Inside Rearview Mirror harness connector.
3. Connect a jumper wire between the (X723) Microphone 2 IN (+) and the (X722) Microphone 2 IN (+) circuits.
4. Turn the ignition on.
5. With the scan tool, read the DTCs.
  NOTE:
  B143A-92-MICROPHONE 1- PERFORMANCE OR INCORRECT OPERATION 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.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (X722) MICROPHONE 2 IN (+) CIRCUIT FOR AN OPEN

Fig 2: Checking Microphone 2 In (+) Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Hands Free Module harness connector.
3. Measure the resistance of the (X722) Microphone 2 IN (+) circuit between the Inside Rearview Mirror and Hands Free Module harness connectors.
  Is the resistance below 5 Ohms?
  
  Yes
  - Go To 4
  No
  - Repair the (X722) Microphone 2 IN (+) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (X723) MICROPHONE 2 IN (-) CIRCUIT FOR AN OPEN

Fig 3: Checking Microphone 2 In (-) Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance of the (X723) Microphone 2 IN (-) circuit between the Inside Rearview Mirror and Hands Free Module harness connectors.
  Is the resistance below 5 Ohms?
  
  Yes
  - Replace the Hands Free Module in accordance with the Service Information. Refer to MODULE, HANDS FREE, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repair the (X723) Microphone 2 IN (-) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .