Honda HR-V Owners & Service Manuals

Honda HR-V: DTC 2703 Aircon Diag

NOTE:

  • Check the vehicle 12 volt battery condition first.
  • This audio DTC sets when Connection NG is indicated in the Aircon diagnosis (the A/C icon is red in the System Links).
  • Check for B-CAN DTCs and resolve them before troubleshooting.
  • Before you troubleshoot, make sure to follow the General Troubleshooting Information.

1. Problem verification:

  1. Clear the hard error codes.
  2. Turn the vehicle to the OFF (LOCK) mode then the ON mode.
  3. Check for hard error codes.

Is DTC 2703 indicated?

YES

The failure is duplicated, go to step 2.

NO

Intermittent failure, the system is OK at this time.

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

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

Audio unit connector B (20P)

Climate control unit connector A (32P)

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

Audio-Navigation System - Diagnostics

Is there continuity?

YES

Replace the climate control unit.

NO

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

DTC 2703 AIRCON DIAG

NOTE:

  • Check the vehicle 12 volt battery condition first.
  • This navigation DTC sets when Connection NG is indicated in the Aircon diagnosis (the A/C icon is red in the System Links).
  • Check for B-CAN DTCs and resolve them before troubleshooting.
  • Before you troubleshoot, make sure to follow the General Troubleshooting Information.
  • Check any official Honda service website for more service information about the navigation system.
  • Check the connectors for poor connections or loose terminals.

1. Problem verification:

  1. Clear the hard error codes.
  2. Turn the vehicle to the OFF (LOCK) mode then the ON mode.
  3. Check for hard error codes.

Is DTC 2703 indicated?

YES

The failure is duplicated, go to step 2.

NO

Intermittent failure, the system is OK at this time.

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

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

Audio-navigation unit connector B (20P)

Climate control unit connector A (32P)

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

Audio-Navigation System - Diagnostics

Is there continuity?

YES

Replace the climate control unit.

NO

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

DTC 2706 GYRO DIAG: ECU TEMP XX ºC

NOTE:

  • Check the vehicle 12 volt battery condition first.
  • This navigation DTC sets when there is a problem with the internal gyro (the Yaw Sensor icon is red in the System Links), and indicates the navigation ECU temperature when the DTC is detected.
  • Before you troubleshoot, make sure to follow the General Troubleshooting Information.
  • Check any official Honda service website for more service information about the navigation system.

1. Problem verification:

  1. Clear the hard error codes.
  2. Turn the vehicle to the OFF (LOCK) mode then the ON mode, and wait at least 3 minute.
  3. Check for hard error codes.

Is DTC 2706 indicated?

YES

Replace the audio-navigation unit.

NO

Intermittent failure, the system is OK at this time.

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