DESCRIPTION
This DTC is stored when a key is inserted into the ignition key cylinder but no communication occurs between the key and transponder key ECU assembly.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2796 |
No Communication in Immobiliser System |
The key ID code cannot be transmitted to the transponder key ECU assembly (1 trip detection logic*). |
|
|
Vehicle Condition when Malfunction Detected |
Fail-safe Operation when Malfunction Detected |
---|---|
Engine cannot be started |
- |
DTC No. |
Data List and Active Test |
---|---|
B2796 |
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Immobiliser > Clear DTCs
|
2. |
CHECK FOR DTC |
(a) Insert and remove each registered key one at a time, and check for DTCs each time.
Body Electrical > Immobiliser > Trouble CodesHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.
OK:
B2796 is not output.
Result |
Proceed to |
---|---|
B2796 is not output |
A |
DTC B2796 is output for all of the keys |
B |
DTC B2796 is output for any of the keys |
C |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
C | ![]() |
GO TO STEP 6 |
|
3. |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
(a) Replace the transponder key ECU assembly with a new one.
Click here
HINT:
Refer to Registration.
Click here
NOTICE:
Key ID code registration is necessary when replacing the transponder key ECU assembly.
Click here
|
4. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Immobiliser > Clear DTCs
|
5. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Immobiliser > Trouble CodesHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.
OK:
DTC B2796 is not output.
Result |
Proceed to |
---|---|
B2796 is not output |
A |
B2796 is output |
B |
A | ![]() |
END (TRANSPONDER KEY ECU ASSEMBLY WAS DEFECTIVE) |
B | ![]() |
REPLACE KEY THAT DTC IS OUTPUT |
6. |
REPLACE KEY |
(a) Replace the key for which the DTC was stored.
NOTICE:
Key ID code registration is necessary when replacing the key.
Click here
|
7. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Immobiliser > Clear DTCs
|
8. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Immobiliser > Trouble CodesHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.
OK:
DTC B2796 is not output.
Result |
Proceed to |
---|---|
B2796 is not output |
A |
B2796 is output |
B |
A | ![]() |
END (KEY WAS DEFECTIVE) |
B | ![]() |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
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