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 |
READ NEXT:
Unmatched Key Code (B2795)
DESCRIPTION This DTC is stored when a door control transmitter assembly with a different vehicle serial number is inserted into the ignition key cylinder.
DTC No. Detection Item
DTC Detec
No Communication in Immobiliser System (B2796,B2798)
DESCRIPTION This DTC is stored when a door control transmitter assembly is inserted into the ignition key cylinder but no communication occurs between the door control transmitter assembly and transpo
Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)
DESCRIPTION The ECM stores this DTC when a communication line between the ECM and transponder key ECU assembly is malfunctioning or the communication ID of the ECM and transponder key ECU assembly do
SEE MORE:
Terminals Of Ecm
TERMINALS OF ECM
HINT:
The standard normal voltage and resistance between each pair of ECM terminals
is shown in the table below. The appropriate conditions for checking each pair of
terminals are also indicated. The result of checks should be compared with the standard
normal voltage and
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 ADJUST COMPRESSOR OIL
-
- -
2 COMPRESSOR WITH MOTOR ASSEMBLY
88370
- -
3 SUCTION HOSE SUB-ASSEMBLY
