Code No.B1761: Chassis No. not Recorded
caution
Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
TROUBLE JUDGMENT
If the chassis No. data is not written when the immobilizer-ECU is replaced, the immobilizer-ECU sets diagnosis code No.B1761.
PROBABLE CAUSES
Chassis No. not written
Damaged harness wires and connectors
Malfunction of immobilizer-ECU
DIAGNOSIS PROCEDURE
Write the chassis No.
Write the chassis No. data to the immobilizer-ECU [Refer to GROUP 00 - How to perform vehicle identification number (chassis No. ) writing
].
Q. Is diagnosis code No.B1761 set?
Replace the immobilizer-ECU and register the ID codes (Refer to
).
The procedure is complete.
].
Replace the immobilizer-ECU and register the ID codes (Refer to ).
The procedure is complete.