Code No.B1766: Transponder registered for other vehicle


caution Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

TROUBLE JUDGMENT


If the electric motor key registered for another vehicle is used to start the electric motor unit, the ETACS-ECU sets diagnosis code No.B1766.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


STEP 1. All electric motor keys registration


Check that the all electric motor keys are registered.

Q. Is the check result normal?

Go to Step 2

Register the all electric motor keys. Refer to .

STEP 2. M.U.T.-III CAN bus diagnostics.


Use the M.U.T.-III to diagnose the CAN bus lines.

Q. Is the check result normal?

Go to Step 3

Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting ). Repair the CAN bus line.

STEP 3. Check with another electric motor key that has already been registered.


Turn the electric motor switch to the ON position using another electric motor key that has already been registered.

Q. Is the diagnosis code set?

Replace the all electric motor keys or by the service key set, and register the ID codes (Refer to ). After registering the ID codes, go to Step 4.

Replace the electric motor key that the diagnosis code is set, and register the ID codes again (Refer to ). After registering the ID codes, go to Step 4.

STEP 4. Check whether the diagnosis code is reset.


Check again if the diagnosis code is set.
(1)Turn the electric motor switch to the "LOCK" (OFF) position once, and then turn it to the ON position again.
(2)Check that diagnosis code No.B1766 is not set.

Q. Is diagnosis code No.B1766 set?

Replace the ETACS-ECU and register the ID codes (Refer to ).

The procedure is complete.





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