DTC U1197: Coding data unavailable: Diagnosis
- STEP 1. Using scan tool (M.U.T.-III), diagnose the CAN bus line
.
Use the scan tool (M.U.T.-III) to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus line (Refer to TROUBLESHOOTING ).
- STEP 2. Using scan tool (M.U.T.-III), read the ETACS diagnostic trouble code
.
Check if DTC is set in the ETACS-ECU.
Q: Is the DTC set?
YES : Diagnose the ETACS (Refer to DIAGNOSTIC TROUBLE CODE CHART ).
NO : Go to Step 3.
- STEP 3. Using scan tool (M.U.T.-III), check the ETACS-ECU coding data check
.
Using scan tool (M.U.T.-III), check if any abnormality is present to the coding data which are stored in the ETACS-ECU.
Q: Is the check result normal?
YES : Go to Step 4.
NO : Replace the ETACS-ECU.
- STEP 4. Recheck for diagnostic trouble code
.
Check again if the DTC is set in the camera-ECU.
- Erase the DTC.
- Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
- Check if DTC is set.
Q: Is the DTC set?
YES : Replace the camera-ECU (Refer to CAMERA-ECU REMOVAL AND INSTALLATION ).
NO : The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).