DESCRIPTION
This DTC is stored when an error occurs in communication between the transponder key amplifier and the transponder key ECU assembly.
HINT:
Some noise is found in the communication line.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2797 |
Keys are positioned too close to each other, or noise occurs in communication line. |
|
CAUTION / NOTICE / HINT
NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication
ID (See page ).
PROCEDURE
1. |
CHECK KEY |
(a) Check whether the ignition key being used is near other ignition keys, as shown in the illustration. Also, check whether the key ring is in contact with the key grip. Result:
|
|
B | ![]() |
GO TO STEP 3 |
|
2. |
CHECK DTC OUTPUT |
(a) Separate the keys from each other or remove the key ring.
(b) Clear the DTCs (See page ).
(c) Insert a key into the ignition key cylinder and remove the key. Repeat for all the other keys of the vehicle.
OK:
No DTC is output.
OK | ![]() |
END (KEYS WERE POSITIONED TOO CLOSE TO EACH OTHER) |
|
3. |
REPLACE TRANSPONDER KEY AMPLIFIER |
(a) Replace the transponder key amplifier (See page
).
|
4. |
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 |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Perform troubleshooting in accordance with the following flowchart.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. PRECAUTION
HINT:
See page
2. DRAIN AUTOMATIC TRANSAXLE FLUID
HINT:
for U ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR NO. 2 SPEAKER ASSEMBLY (for 13 Speakers)
(a) Install the rear No. 2 speaker assembly with the 2 screws.
(b) Engage the clamp.
2. INSTALL REAR SPEAKER BRACKET ...