STEP 1. Scan tool (M.U.T.-IIISE) CAN bus diagnostics.
STEP 2. Scan tool (M.U.T.-IIISE) other system DTC.
STEP 3. scan tool (M.U.T.-IIISE) data list.
STEP 4. Ignition switch check
(1) Disconnect ignition switch connector, and check the continuity between the power supply and start signal at the ignition switch side.
(2) Turn the ignition switch to the "ON" position.OK: No continuity
Is the check result normal?
Go to Step 5. Replace the ignition switch (Refer to GROUP 54A - Ignition Switch ).
STEP 5. Check of short circuit in start signal line between ignition switch connector and ETACS-ECU connector.
STEP 6. Scan tool (M.U.T.-IIISE) other system data list.
STEP 7. Check whether the DTC is set again.