DESCRIPTION
These DTCs are stored if a key that does not have a transponder chip is inserted into the ignition key cylinder or if communication between the key and the transponder key ECU assembly is impossible.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2796 |
The key code cannot be transmitted. |
|
B2798 |
Key code identification cannot be completed within the specified time (0.15 to 0.5 sec.). |
|
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Immobiliser / Data List.
(e) Read the Data List according to the display on the Techstream.
Immobiliser (Transponder Key ECU Assembly)
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Immobiliser |
Immobiliser system status/SET or UNSET |
UNSET: Ignition switch ON SET: Without key |
- |
OK:
On the Techstream screen, the item changes between UNSET and SET according to the chart above.
OK | ![]() |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
|
2. |
CHECK KEY |
(a) Insert the vehicle's other key into the ignition key cylinder.
(b) Check that the engine starts with this key.
OK:
The engine starts.
NG | ![]() |
GO TO STEP 5 |
|
3. |
RE-REGISTER KEY |
(a) Re-register the original key (See page
).
|
4. |
CHECK ENGINE START |
(a) Check that the engine starts.
OK:
The engine starts.
OK | ![]() |
END (KEY WAS NOT REGISTERED CORRECTLY) |
NG | ![]() |
REPLACE KEY |
5. |
REPLACE TRANSPONDER KEY AMPLIFIER |
(a) Replace the transponder key amplifier (See page
).
|
6. |
CHECK ENGINE START |
(a) Check that the engine starts.
OK:
The engine starts.
OK | ![]() |
END (TRANSPONDER KEY AMPLIFIER WAS DEFECTIVE) |
NG | ![]() |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
Center Airbag Sensor Assembly Communication Circuit Malfunction (B1790)
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the occupant
classification ECU and center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center airbag sensor
assembly communication cir ...
Power back door switch (vehicles with power back door)
Push the switch to close.
Pressing the switch again while the power back door is closing will cause it
to open again.
However, the reverse operation cannot be performed for the first second after
pressing the switch to close the door.
The back door ca ...
Air Mix Damper Control Servo Motor Circuit (Passenger Side) (B1441/41)
DESCRIPTION
The air mix control servo motor sends pulse signals to indicate the damper position
to the A/C amplifier. The A/C amplifier activates the motor (normal or reverse)
based on these signals to move the air mix damper (front passenger side) to any ...