STEP 1. Scan tool (M.U.T.-III) CAN bus diagnostics.
STEP 2. Check whether the DTC is stored again.
STEP 3. Scan tool (M.U.T.-III) other system DTC.
STEP 4. Scan tool (M.U.T.-III) data list.
STEP 5. Ignition switch check
STEP 6. Check of short circuit in start signal line between ignition switch connector and ETACS-ECU connector.
STEP 7. Scan tool (M.U.T.-III) data list.
STEP 8. Check whether the DTC is stored again.
STEP 9. Check whether the DTC is stored again.