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DTC U1195 Coding not completed
 
 
caution
  • If DTC U1195 is set in the BSW-ECU (master), always diagnose the CAN bus line.
  • Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
 
 
CHECK CONDITION
Ignition switch is in the ON position.
 
 
DIAGNOSTIC FUNCTION AND TROUBLE JUDGMENT
When the BSW-ECU (master) cannot store any vehicle information data, the ECU sets DTC U1195.
 
 
TROUBLESHOOTING HINTS
  • The ETACS-ECU has not been coded yet.
  • Malfunction of the ETACS-ECU
  • Malfunction of the BSW-ECU (master)
  • Malfunction of the CAN bus
 
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-III), diagnose the CAN bus line.
(1)
cautionTo prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
Connect scan tool (M.U.T.-III). Refer to "How to connect the Scan Tool (M.U.T.-III) ."
(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 - Diagnosis <CAN>, CAN Bus Diagnostic Table ).
 
STEP 2. Using scan tool (M.U.T.-III), read the other system DTC.
Check if DTC B222C is set in the ETACS-ECU.
Is the DTC set?
Perform the variant coding to the ETACS-ECU.
Go to Step 3.
 
STEP 3. Using scan tool (M.U.T.-III), read the BSW-ECU (master) DTC again.
Check again if the DTC is set in the BSW-ECU (master).
(1) Erase the DTC.
(2) Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3) Check if DTC is set.
Is the DTC set?
Replace the BSW-ECU (master).
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).