STEP 1. Check 12V starter battery
STEP 2. 12V Starter battery condition check
STEP 3. Using scan tool (M.U.T.-IIISE), check whether the other system DTC is set.
STEP 4. Perform the continuity check of the fuse between the IGCT control relay connector and the on board charger/DC-DC converter connector.
STEP 5. Check of short to ground, open circuit and damage in power supply line between IGCT control relay and on board charger/DC-DC converter connector.
STEP 6. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.