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Pinpoint Test L: An Individual FDIM Display Is Inoperative (Vehicles With Navigation)

  1. L1 OBSERVE THE FDIM DISPLAY 
    • Turn the audio system on and observe the FDIM  screen.
    • Is the FDIM display completely inoperative? 
  2. L2 CHECK THE FDIM DISPLAY SEGMENTS 
    • Enter the following diagnostic mode on the scan tool: Audio Display Test.
    • Follow the scan tool instructions to carry out the Audio Display Test.
    • Do all of the FDIM segments illuminate? 
    • Yes:  GO to L3  .
    • No:  GO to  L6.
  3. L3 OBSERVE THE SPECIFIC INOPERATIVE DISPLAY 
    • Observe the inoperative FDIM  display while carrying out the indicated diagnostic method as follows:
      INOPERATIVE DISPLAY CHART

      Inoperative Display Diagnostic Method Expected Results
      Audio system Turn the audio system on, press the AM/FM button, and adjust the volume. The FDIM  display updates to show the change in audio setting.
      SYNC system Turn the audio system on, press the phone button, and observe the display. The FDIM  display shows information relating to the phone.
      Climate control system Turn the climate control system on, adjust the fan to high speed, and set the temperature to various settings. The FDIM  display updates to show the change in climate control setting.
    • Does the inoperative display confirm the expected results? 
    • Yes:  The system is operating correctly at this time. INFORM the customer on the operation of the FDIM  displays.
    • No:  GO to L4  .
  4. L4 CHECK FOR LOST COMMUNICATION DTCs 
    • Ignition ON.
    • Clear continuous DTCs from all modules.
    • Ignition OFF.
    • Ignition ON.
    • Wait at least 10 seconds.
    • Retrieve all continuous DTCs (from all modules).
    • Is DTC U0164, U0184, or U0197 present in any module? 
    • Yes:  GO to L5  .
    • No:  GO to  L6.
  5. L5 CHECK FOR SCAN TOOL COMMUNICATION WITH THE TRANSMITTING MODULE 
    • Carry out the network test using the scan tool.
    • Does the scan tool communicate with the ACM  , the APIM  , and the HVAC module? 
  6. L6 CHECK FOR CORRECT FDIM OPERATION 
    • Ignition OFF.
    • Disconnect the FDIM  connector.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect the FDIM  connector and make sure it seats correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new FDIM  . REFER to FRONT DISPLAY INTERFACE MODULE (FDIM) - WITHOUT NAVIGATION . TEST the system for normal operation. If the concern is still present, GO to L7  .
    • No:  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
  7. L7 CHECK FOR CORRECT ACM OPERATION 
    • Ignition OFF.
    • Disconnect all the ACM  connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect all the ACM  connectors and make sure they seat correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new ACM  . REFER to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
    • No:  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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