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DTC U1197: Coding data unavailable
 
 
cautionIf DTC No. U1197 is set, be sure to diagnose the CAN bus line.
 
 
TROUBLE JUDGMENT
This DTC will be set when the variant coding for the ETACS-ECU has not been implemented.
note"!" mark is displayed on the vehicle icon when DTC No. U1197 is set.
 
 
TROUBLESHOOTING HINTS
  • Variant coding not performed
  • The ETACS-ECU may be defective
  • The camera-ECU may be defective
  • The CAN bus may be defective
 
 
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.
Is the check result normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C - 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.
Is the DTC set?
Diagnose the ETACS (Refer to ).
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.
Is the check result normal?
Go to Step 4.
Replace the ETACS-ECU.
 
STEP 4. Recheck for diagnostic trouble code.
Check again if the DTC is set in the camera-ECU.
(1) Erase the DTC.
(2) Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(3) Check if DTC is set.
Is the DTC set?
Replace the camera-ECU (Refer to ).
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).