STEP 1. Scan tool (M.U.T.-IIISE) other system DTC.
STEP 2. Battery terminal check.
STEP 3. Check the charging system.
STEP 4. Check the battery.
STEP 5. Voltage measurement at AWC-ECU connector.
STEP 6. Check of short circuit in BATT line between AWC-ECU connector and ETACS-ECU connector.
STEP 7. Scan tool (M.U.T.-IIISE) data list.
STEP 8. Scan tool (M.U.T.-IIISE) data list.