DTC U1195: Coding not completed; DTC U1197 Coding data unavailable: Diagnosis

STEP 1. Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line.
CAUTION: To prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE).
1. Connect scan tool (M.U.T.-IIISE). Refer to "How to connect the Scan Tool (M.U.T.-IIISE) ABS WARNING LIGHT, ASC WARNING/OPERATION LIGHT, BRAKE WARNING LIGHT AND BRAKE AUTO HOLD INDICATOR LIGHT CHECK ."
2. Turn the ignition switch to the "ON" position.
3. Diagnose the CAN bus line.
4. Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the check result normal?

YES: Go to Step 3.

NO: Repair the CAN bus lines (Refer to CAN BUS DIAGNOSTICS TABLE ). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines.
Q: Is DTC U1195 or U1197 set?

YES: Go to Step 3.

NO: The procedure is complete.
STEP 3. Using scan tool (M.U.T.-IIISE), check other system DTC.
Use scan tool (M.U.T.-IIISE) to check whether the ETACS-ECU-related or ECM-related DTC is set or not (Refer to DIAGNOSTIC TROUBLE CODE CHART , DIAGNOSTIC TROUBLE CODE CHART ).

Q: Is any DTC set?

YES: Troubleshoot for the relevant DTC.

NO: Go to Step 4.
STEP 4. Check ETACS coding data.
Q: Is the check result normal?

YES: Go to Step 6.

NO: Go to Step 5.
STEP 5. ETACS-ECU variant coding.
Perform the variant coding to the ETACS-ECU.

Q: Does variant coding succeed?

YES: Go to Step 7.

NO: Replace the ETACS-ECU (Refer to ETACS-ECU ).
STEP 6. Check part number of ASC-ECU.
Check the part number of ASC-ECU.

Q: Is the check result normal?

YES: Go to Step 7.

NO: Replace the hydraulic unit (integrated with ASC-ECU) (Refer to HYDRAULIC UNIT ).
STEP 7. Check whether the DTC is set again.
1. Erase the DTC.
2. Turn the ignition switch to the "OFF" position.
3. Turn the ignition switch to the "ON" position.
4. Turn the ignition switch to the "OFF" position.
5. Turn the ignition switch to the "ON" position.
6. Check that the ABS warning light goes out.
Q: Is DTC U1195 or U1197 set?

YES: Replace the hydraulic unit (ASC-ECU) (Refer to HYDRAULIC UNIT ).

NO: The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).