DESCRIPTION
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2796 |
The key code cannot be transmitted. |
|
B2798 |
Key code identification cannot be completed within the specified time. |
Key |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When the transponder key ECU assembly is replaced, refer to Registration (See
page ).
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs (See page ).
|
2. |
CHECK FOR DTC |
(a) Check for DTCs (See page ).
OK:
DTC B2796 or B2798 is not output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
READ VALUE USING TECHSTREAM (ENGINE IMMOBILISER SYSTEM) |
(a) Use the Data List to check if the engine immobiliser system is functioning
properly (See page ).
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Immobiliser |
Immobiliser system status / Set or Unset |
Set: No key in ignition key cylinder Unset: Key inserted in ignition key cylinder |
- |
OK:
Set (the key is not inserted in the ignition key cylinder) and Unset (the key is inserted in the ignition key cylinder) appear on the screen according to the key insertion condition.
OK | ![]() |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
|
4. |
CHECK WHETHER ENGINE STARTS WITH OTHER KEYS |
(a) Check if the engine starts with an already registered vehicle key.
OK:
Engine starts.
OK | ![]() |
REREGISTER KEY CODE OR REPLACE KEY THAT CANNOT START ENGINE |
|
5. |
CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - TRANSPONDER KEY AMPLIFIER) |
(a) Disconnect the F34 ECU connector.
(b) Disconnect the F17 amplifier connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F34-14 (VC5) - F17-1 (VC5) |
Always |
Below 1 Ω |
F34-15 (CODE) - F17-4 (CODE) |
||
F34-4 (TXCT) - F17-5 (TXCT) |
||
F34-5 (AGND) - F17-7 (AGND) |
||
F34-14 (VC5) or F17-1 (VC5) - Body ground |
Always |
10 kΩ or higher |
F34-15 (CODE) or F17-4 (CODE) - Body ground |
||
F34-4 (TXCT) or F17-5 (TXCT) - Body ground |
||
F34-5 (AGND) or F17-7 (AGND) - Body ground |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
REPLACE TRANSPONDER KEY AMPLIFIER |
(a) Temporarily replace the transponder key amplifier with a new or normally
functioning one (See page ).
|
7. |
CHECK WHETHER ENGINE STARTS |
(a) Check that the engine starts normally.
OK:
Engine starts normally.
OK | ![]() |
END (TRANSPONDER KEY AMPLIFIER IS DEFECTIVE) |
NG | ![]() |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power
Window Switch LH
DESCRIPTION
If the auto up/down function does not operate, the cause may be one or more of
the following:
The ECU in the power window regulator motor determines that the power
window regulator motor has not been initialized.
The rear power w ...
Diameter of the Tire is not Uniform (C1337)
DESCRIPTION
The skid control ECU measures the speed of each wheel by receiving signals from
the speed sensors. These signals are used for recognizing that all 4 wheels are
operating properly. Therefore, all wheel signals must indicate the same speed.
...