DTC U1197: Coding data unavailable: Diagnosis
- STEP 1. Scan tool (M.U.T.-IIISE) CAN bus diagnostics
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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
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- 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
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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
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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
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- 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 ).