DTC U1197: Coding Data Unavailable: Diagnosis
- STEP 1. Scan tool (M.U.T.-IIISE) CAN bus diagnostics.
Use the scan tool (M.U.T.-IIISE) to diagnose the CAN bus lines.
Q: Is the check result normal?
YES: Go to Step 3.
NO: Repair the CAN bus lines (Refer to CAN BUS DIAGNOSTICS TABLE ), and then Go to Step 2.
- STEP 2. Symptom recheck after erasing diagnostic trouble code.
- Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
- Check if the diagnostic trouble code is set.
Q: Is the diagnostic trouble code set?
YES: Go to Step 3.
NO: The inspection is complete.
- STEP 3. Scan tool (M.U.T.-IIISE) diagnostic trouble code.
Check if the ETACS-related diagnostic trouble code is set.
Q: Is the ETACS-related diagnostic trouble code set?
YES: Carry out the appropriate troubleshooting.
NO: Go to Step 4.
- STEP 4. ETACS-ECU coding data check.
Use scan tool (M.U.T.-IIISE) to check if coding data stored in ETACS-ECU is normal.
Q: Is the check result normal?
YES: Go to Step 5.
NO: Replace the ETACS-ECU.
- STEP 5. Symptom recheck after erasing diagnostic trouble code.
- Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
- Check if the diagnostic trouble code is set.
Q: Is the diagnostic trouble code set?
YES: Replace TCM.
NO: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).