Honda HR-V Owners & Service Manuals

Honda HR-V: HDMI Device Does Not Function (Without Navigation)

NOTE:

  • Check the vehicle 12 volt battery condition first.
  • Before doing this troubleshooting, make sure whether a parking brake is working properly and the electric parking brake indicator in the gauge control module is being lit.
  • Check for B-CAN DTCs and resolve them before troubleshooting.
  • Check the connectors for poor connections or loose terminals.

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 or N 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.

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.

  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 unit.

NO

The failure is duplicated, go to step 4.

4. Audio 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 unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ), and recheck.

Does the symptom go away?

YES

Replace the original audio unit.

NO

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

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

Go into the System Diagnostic Mode, and use the Vehicle Status to check the parking brake signal - Refer to: Audio System Sound Quality Diagnosis, or Audio System Diagnostic Mode (Without Navigation, Display Audio Type (7-inch Screen) ), or Audio System Diagnostic Mode (Without Navigation, Color Audio Type (5-inch Screen) ).

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

YES

Replace the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).

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.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connectors.

Audio unit connector B (20P)

Electric parking brake control unit 30P connector

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

Audio Visual Systems - Testing & Troubleshooting

Is there continuity?

YES

Replace the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).

NO

Repair an open in the wire between the audio unit and the electric parking brake control unit.

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

  1. Turn the vehicle to the OFF (LOCK) mode.
  2. Disconnect the following connectors.

Gauge control module connector A (32P)

Audio unit connector B (20P)

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

Audio Visual Systems - Testing & Troubleshooting

Is there continuity?

YES

Replace the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).

NO

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

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