DESCRIPTION
This DTC is stored when there is an open or short in the transponder key coil (built into the engine switch).
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2784 |
Transponder key coil is open or shorted. |
|
CAUTION / NOTICE / HINT
NOTICE:
If the certification ECU (smart key ECU assembly) is replaced, register the key
(See page ).
PROCEDURE
1. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs (See page ).
OK:
DTC B2784 is not output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
REPLACE ENGINE SWITCH |
(a) Replace the engine switch (See page for
2GR-FE, See page for 1AR-FE)).
|
3. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs (See page ).
OK:
DTC B2784 is not output.
OK | ![]() |
END (ENGINE SWITCH WAS DEFECTIVE) |
NG | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
System Description
SYSTEM DESCRIPTION
1. BRIEF DESCRIPTION
(a) The Control Area Network (CAN) is a serial data communication system for
real time application. It is a vehicle multiplex communication system which has
a high communication speed and the ability to detect malf ...
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" ...