Code No.B1A35 Transponder read error




DIAGNOSIS FUNCTION


If no key ID can be received, KOS-ECU sets the diagnosis code No. B1A35.

JUDGEMENT CRITERIA


KOS-ECU determines that the abnormality is present, if it cannot receive the key ID for the emergency key when the ignition switch is turned ON.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Check the ignition key inserted in the key cylinder for interference.


Check if there are other ignition keys or anything that interferes with the communication (things that generate radio waves such as magnets and an air-cleaning device that has a power plug) near the ignition key inserted in the key cylinder.

Q. Are there other ignition keys or anything that interferes with the communication?

Move away or remove other ignition keys or anything that interferes with the communication, and go to Step 2.

Go to Step 2.

STEP 2. Check whether the diagnosis code is reset.


Recheck if the diagnosis code is set.
(1)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(2)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

Go to Step 3.

The diagnosis is complete.

STEP 3. Replace the emergency key and recheck the diagnosis code.


Replace the emergency key for which the diagnosis code is set with a new one, register the key ID and keyless operation key ID (refer to ), and check whether the diagnosis code is reset.
(1)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(2)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

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

The diagnosis is complete.