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 |
Abbreviations Used In Manual
ABBREVIATIONS USED IN MANUAL
Abbreviation
Meaning
ABS
Anti-Lock Brake System
A/C
Air Conditioner
AC
Alternating Current
ACC
A ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK FOR FUEL PUMP OPERATION AND INSPECT FOR FUEL LEAK
(a) Check fuel pump operation.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON and turn the Techstream on.
NOTICE:
Do not start the eng ...