Toyota Corolla Cross: Unmatched Encryption Code (B2794)
DESCRIPTION
This DTC is stored when a door control transmitter assembly with an incomplete key ID code is inserted into the ignition key cylinder.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Note |
|---|---|---|---|---|
| B2794 |
Unmatched Encryption Code |
A door control transmitter assembly with an incomplete key ID code is inserted into the ignition key cylinder (1 trip detection logic*). |
Door control transmitter assembly | DTC Output Confirmation Operation:
|
- *: Only output while a malfunction is present.
|
Vehicle Condition when Malfunction Detected |
Fail-safe Operation when Malfunction Detected |
|---|---|
|
Engine cannot be started |
- |
|
DTC No. | Data List and Active Test |
|---|---|
|
B2794 | - |
CAUTION / NOTICE / HINT
NOTICE:
- If the door control transmitter assembly is replaced, refer to Registration.
Click here
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- After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".
PROCEDURE
|
1. | REGISTRATION OF TRANSMITTER ID |
(a) Register the door control transmitter assembly which caused the DTC to be stored.
|
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| 2. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Immobiliser > Clear DTCs
|
| 3. |
CHECK FOR DTC |
(a) Perform "DTC Output Confirmation Operation" procedure.
(b) Check for DTCs.
Body Electrical > Immobiliser > Trouble Codes|
Result | Proceed to |
|---|---|
|
B2794 is not output | A |
|
B2794 is output | B |
| A |
.gif) | END (DOOR CONTROL TRANSMITTER ASSEMBLY WAS NOT REGISTERED) |
| B |
| REPLACE DOOR CONTROL TRANSMITTER ASSEMBLY THAT DTC IS OUTPUT |
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DTC No. Detection Item
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ECM Communication (C124A00)
DESCRIPTION
If the vehicle information stored by the skid control ECU (brake
actuator assembly) does not match that sent from the ECM or a new skid control ECU
(brake actuator assembly) is installed and the vehicle information has not been
stored, this DTC is stored.
DTC No.
Parts Location
PARTS LOCATION ILLUSTRATION
*A w/ Power Back Door System
- -
*1 FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH
*2 FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH
*3 REAR DOOR LOCK WITH MOTOR ASSEMBLY LH
*4 REAR DOOR LOCK WITH MOTOR ASSEMBLY RH
*5 FRON
