Code No. U1195:
Coding not completed
caution |
- 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 (Refer to GROUP 54C - CAN Bus Diagnostics Table
).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the diagnosis code U1195 is set in electric parking brake ECU, the diagnosis code
may also be set in ETACS-ECU. When the diagnosis code is set in ETACS-ECU, carry out the diagnosis
of the diagnosis code for ETACS-ECU first.
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DIAGNOSIS CODE SET CONDITIONS
When the electric parking brake ECU does not store any vehicle information data sent by
the ETACS-ECU, , the diagnosis code will be set.
PROBABLE CAUSES
PROBABLE CAUSES
- The CAN bus line is defective.
- Variant coding for ETACS-ECU has not been implemented.
- Malfunction of the ETACS-ECU
- Malfunction of the electric parking brake ECU
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STEP 1. M.U.T.-III CAN bus diagnosis
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Use the M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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Go to Step 3.
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Repair the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
On completion, go to Step 2.
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STEP 2. Diagnosis code recheck after resetting CAN bus lines
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Q.
Is diagnosis code No. U1195 set?
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Go to Step 3.
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This diagnosis is complete.
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STEP 3. Use M.U.T.-III to confirm a diagnosis code of other systems.
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Check if the diagnosis code is set in the ETACS-ECU (Refer to GROUP 54A - ETACS,
Diagnosis Code Chart ).
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Q.
Is the diagnosis code set?
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Troubleshoot the ETACS-ECU diagnosis code (Refer to GROUP 54A - ETACS,
Diagnosis Code Chart ).
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Go to Step 4.
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STEP 4. Check whether the diagnosis code is set again.
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Check again if the diagnosis code is set.
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(1)Turn the ignition switch to the LOCK (OFF) position.
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(2)Turn the ignition switch to the ON position.
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(3)Check if the diagnosis code is set.
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Q.
Is diagnosis code No. U1195 set?
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Replace the electric parking brake ECU (Refer to ).
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This diagnosis is complete.
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