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) |
Air Conditioning Control Panel Circuit
DESCRIPTION
This circuit consists of the air conditioning control assembly and the A/C amplifier.
When the air conditioning control assembly is operated, signals are transmitted
to the A/C amplifier through the LIN communication system.
If the LIN commun ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PR ...
Open or Short Circuit in ABS Motor Relay Circuit (C0273/13)
DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated,
the ECU turns the motor relay on and operates the ABS pump motor.
If the voltage supplied to the motor relay (+BM) is below the DTCs detection
threshold due ...