Code No. 13: EV-ECU Lost


TROUBLE JUDGMENT
Check Condition
  • 5 seconds elapsed after the on board charger control power supply voltage was more than 10 V and less than 16 V.
Judgement Criterion
  • For more than 3 seconds, the CAN communication data cannot be received from the EV-ECU.

FAIL-SAFE AND BACKUP FUNCTION

  • The charge is stopped.

PROBABLE CAUSES

  • The CAN bus is failed.
  • The EV-ECU is failed.
  • The on board charger is failed.

DIAGNOSIS PROCEDURE

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

  • Using M.U.T.-III, perform CAN bus line diagnosis.

Q. Is the check result normal?
Go to Step 2 .
Repair CAN bus line (Refer to GROUP 54C - Troubleshooting - CAN Bus Diagnostics Table ).

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

Q. Is diagnosis code of EV-ECU system set?
Check EV-ECU system (Refer to ).
Go to Step 3 .

STEP 3. M.U.T.-III diagnosis code

Q. Is the diagnosis code set?
Replace the on board charger/DC-DC converter.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).