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 |
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TRANSPONDER KEY ECU ASSEMBLY (w/ Engine Immobiliser System)
2. REMOVE NO. 1 FINISH PANEL MOUNTING BRACKET
(a) Remove the 2 bolts and 2 No. 1 finish panel mounting brackets as
shown in the illustration.
...
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR DOOR SCUFF PLATE RH
HINT:
Use the same procedure for the RH side and the LH side (See page
).
2. REMOVE REAR DOOR OPENING TRIM WEATHERSTRIP RH
HINT:
Use the same procedure for the RH side and the LH side (See page
). ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Make sure to select FACE mode before disconnecting the cable from the negative
(-) battery terminal.
PROCEDURE
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
2. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBL ...