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
PROBABLE CAUSES
- Ignition key (key ID) is another vehicle’s key
- Ignition key (key ID) is new key
- Malfunction of ETACS-ECU
DIAGNOSIS PROCEDURE
STEP 1. All ignition keys registration
Q.
Is the check result normal?



STEP 2. M.U.T.-III CAN bus diagnostics.
Q.
Is the check result normal?



STEP 3. Check with another key that has already been registered.
Q.
Is the diagnosis code set?




STEP 4. Check whether the diagnosis code is reset.
| (1)Turn the ignition 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?


