Code No.U0245 NAVI/DISP.AUDIO CAN timeout <Vehicles with smartphone link display audio>


caution
  • If diagnosis code No.U0245 is set, be sure to diagnose the CAN bus line.
  • Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

TROUBLE JUDGEMENT


If signal from the smartphone link display audio cannot be received for 2500 milliseconds or more, the camera-ECU sets diagnosis code No.U0245.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III CAN bus diagnostics


Use the M.U.T.-III to diagnose the CAN bus lines.

Q. Is the check result normal?

Go to Step 2.

Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting ) and then go to Step 3.

STEP 2. M.U.T.-III other system diagnosis code


Check if diagnosis code is set in the smartphone link display audio.

Q. Is the diagnosis code set?

Diagnose the smartphone link display audio (Refer to ).

Go to Step 3.

STEP 3. Diagnosis code recheck


Check again if the diagnosis code is set in the camera-ECU.
(1)Erase the diagnosis code.
(2)Turn the electric motor switch from the "OFF" position to the "ON" position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

Replace the camera-ECU and then go to Step 4.

A poor connection, open circuit, or other intermittent malfunction in the CAN bus line between the camera-ECU and the smartphone link display audio. (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction.)

STEP 4. Check whether the diagnosis code is set again.


Recheck if the diagnosis code is set.
(1)Erase the diagnosis code.
(2)Turn the electric motor switch to "ON" position.
(3)On completion, check that the diagnosis code is not set again.

Q. Is the diagnosis code set?

Go to Step 1.

The procedure is complete.