Code No. 28: EEPROM abnormal


TROUBLE JUDGMENT
Check Condition and Judgement Criterion
  • The abnormality is detected when the EEPROM data are read.

FAIL-SAFE AND BACKUP FUNCTION

  • The charge continues at the initial value.

PROBABLE CAUSE

  • The on board charger is failed.

DIAGNOSIS PROCEDURE

STEP 1. 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 ).