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HDMI device does not function (With Navigation)

NOTE: 

  1. Problem verification 1:

    - 1. Turn the vehicle to the ON mode.

    - 2. Make sure the parking brake is applied, and shift the transmission to P position/mode.

    - 3. Touch the HDMI icon on the Change Source screen.

    Is the Notice screen about the limitation of a function displayed?

    YES 

    The failure is duplicated, go to step 5. 5

    NO 

    Go to step 2.

  2. Determine possible failure area (HDMI device, others):

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Connect the customer's HDMI device to a known-good vehicle (same year/trim) that is equipped, and check the HDMI device operation.

    Does the HDMI device work properly in the known-good vehicle?

    YES 

    Go to step 3.

    NO 

    See the Owner's Manual for details about the HDMI device requirements.

  3. Problem verification 2:

    - 1. On the customer's vehicle, connect the customer's HDMI device to the HDMI port.

    - 2. Turn the vehicle to the ON mode.

    - 3. Check the HDMI device operation in the customer's vehicle.

    Does the HDMI device work properly in the customer's vehicle?

    YES 

    Intermittent failure, the system is OK at this time. Inspect the connectors of the HDMI device, the HDMI port, and the audio-navigation unit.

    NO 

    The failure is duplicated, go to step 4.

  4. Audio-navigation unit check (substitution):

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Make sure the customer's HDMI device is off, and disconnect the customer's HDMI device from the HDMI port.

    - 3. Substitute a known-good audio-navigation unit , and recheck.

    Does the symptom go away?

    YES 

    Replace the original audio-navigation unit.

    NO 

    Replace the HDMI cord (USB/HDMI main harness).

  5. Determine possible failure area (audio-navigation unit, others):

    - 1. Go into the System Diagnostic Mode, and use the vehicle Status to check the parking brake signal .

    Does the PARK-VIDEO and the PARK signals change from [0] to [1] when the parking brake is applied?

    YES 

    Replace the audio-navigation unit .

    NO: If the PARK-VIDEO signal is not changed

    Go to step 6.

    NO: If the PARK signal is not changed

    Go to step 7.

    NO: If the PARK-VIDEO and the PARK signals are not changed

    Troubleshoot the gauge control module circuit. Refer to Symptom Troubleshooting

  6. Open wire check (PARKING BRAKE SW line):

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Disconnect the following connector.

    Audio-navigation unit connector B (20P)

    - 3. Turn the vehicle to the ON mode.

    - 4. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ON mode, the parking brake is applied
      Audio-navigation unit connector B (20P): disconnected
    Test point 1 Audio-navigation unit connector B (20P) No. 11 
    Test point 2 Body ground

    Is there less than 0.2 V?

    YES 

    Replace the audio-navigation unit .

    NO 

    Repair an open in the wire between the audio-navigation unit and the parking brake switch.

  7. Open wire check (B-CAN_H line, B-CAN_L line):

    - 1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Disconnect the following connectors.

    Gauge control module 32P connector
    Audio-navigation unit connector B (20P)

    - 3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Gauge control module 32P connector: disconnected
      Audio-navigation unit connector B (20P): disconnected
    Test point 1 Gauge control module 32P connector No. 23. Refer to GAUGE CONTROL MODULE CONNECTOR FOR INPUTS AND OUTPUTS
    Test point 2 Audio-navigation unit connector B (20P) No. 13 
    Test point 1 Gauge control module 32P connector No. 24. Refer to GAUGE CONTROL MODULE CONNECTOR FOR INPUTS AND OUTPUTS(NA)
    Test point 2 Audio-navigation unit connector B (20P) No. 3 

    Is there continuity?

    YES 

    Replace the audio-navigation unit .

    NO 

    Repair an open in the wire(s) between the audio-navigation unit and the gauge control module.