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DTC U1195: Coding Not Completed
 
 
 
 
caution
  • If DTC U1195 is set, be sure to diagnose the CAN main bus line.
  • When replacing the ECU, always check that the communication circuit is normal.
 
 
TROUBLE JUDGMENT
Check Conditions
  • Ignition switch: ON
Judgment Criterion
  • If the vehicle information data is not registered to the TCU.
 
 
TROUBLESHOOTING HINTS
  • The CAN bus line may be defective
  • Variant coding for the ETACS-ECU has not been implemented.
  • The ETACS-ECU may be defective
  • The TCU may be defective
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), diagnose CAN bus line.
(1)
cautionTo 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).
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect the Scan Tool (M.U.T.-IIISE) ."
(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.
Is the CAN bus line found to be normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting - CAN Bus Diagnostics Table ).
 
STEP 2. Using scan tool (M.U.T.-IIISE), check whether the ETACS-ECU DTC B222C is set.
Check if the DTC B222C set in ETACS-ECU.
Is DTC set?
Perform the variant coding to the ETACS-ECU.
Go to Step 3.
 
STEP 3. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
Check again if the DTC is set in the TCU.
(1) Erase the DTC.
(2) Turn the ignition switch from OFF position to ON position.
(3) Check the DTC.
Is the DTC set?
Replace the TCU (Refer to ).
The diagnosis is complete.