Code No. U1195
Coding not completed
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- If there is any problem in the
CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the
CAN bus lines.
- Whenever the ECU is replaced, ensure that the communication circuit is normal.
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OPERATION
FCM/LDW/AHB-ECU receives the vehicle information stored in ETACS-ECU
via CAN bus lines.
DIAGNOSIS CODE SET CONDITION
This diagnosis code is set when the abnormality below is detected:
- Coding has not been performed.
PROBABLE CAUSES
- Malfunction of the CAN bus line
- Coding not implemented
- Malfunction of the ETACS-ECU
- Malfunction of the FCM/LDW/AHB-ECU
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics.
Use M.U.T.-III to perform the CAN bus diagnosis.
Q.
Is the check result normal?
Go to Step 2
Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting 
).
STEP 2. Check the M.U.T.-III other system diagnosis code.
Check the ETACS-ECU diagnosis code.
Q.
Is the diagnosis code set?
Troubleshoot the relevant diagnosis code (Refer to GROUP 54A - Troubleshooting ).
Go to Step 3
STEP 3. Check whether the diagnosis code is set again.
Check again if the diagnosis code is set in the FCM/LDW/AHB-ECU.
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(1)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
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(2)Hold the ignition switch ON for five seconds.
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(3)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
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(4)Hold the ignition switch ON for five seconds.
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(5)Check if diagnosis code is set.
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Q.
Is the diagnosis code set?
Replace the FCM/LDW/AHB-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).