Dtc B2793 Transponder Chip Malfunction

Vehicle Interior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Theft Deterrent Keyless Entry. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

INSPECTION PROCEDURE

REREGISTER KEY

DTC B2793 Transponder Chip Malfunction

DTC B2794 Unmatched Encryption Code

DTC B2795 Unmatched Key Code


DESCRIPTION

DTC B2793 is stored when a malfunction is found in the key during key code registration or a key code is not registered normally. Replace the key if key code registration cannot be performed normally and this DTC is output.
DTC B2794 is stored when a key with an incomplete key code is inserted into the ignition key cylinder.
DTC B2795 is stored when a key with a key code that is not registered in the ECU is inserted into the ignition key cylinder.

DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
B2793
A transponder chip malfunction (1 trip detection logic*).
Key
Insert the key into the ignition key cylinder.
B2794
A key with an incomplete key code is inserted into the ignition key cylinder (1 trip detection logic*).
Key
Insert the key into the ignition key cylinder.
B2795
A key with a different vehicle serial number is inserted into the ignition key cylinder (1 trip detection logic*).
Key
Insert the key into the ignition key cylinder.
  1. *: Only output while a malfunction is present.

Vehicle Condition and Fail-safe Operation when Malfunction Detected
Vehicle Condition when Malfunction Detected
Fail-safe Operation when Malfunction Detected
Engine cannot be started.
-

Related Data List and Active Test
DTC Code
Data List and Active Test
B2793
Abnormal Status
B2794
Different Encrypt Code
B2795
Different Serial Number

INSPECTION PROCEDURE

NOTICE:
  1. When replacing the key, refer to the Service Bulletin.
  2. After performing repairs, perform the operation that fulfills the DTC output confirmation operation, and then confirm that no DTCs are output again.
1.REREGISTER KEY

  1. Clear the DTC (HILUX_TGN26 RM000000Z3I00TX.html).

  1. Reregister the key, and check that the engine starts with the key.

OK:
Engine starts.


NG
REPLACE KEY
OK

END (KEY CODE IS NOT REGISTERED NORMALLY)