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) |
Headlight Beam Level Control Actuator Circuit
DESCRIPTION
The headlight leveling ECU assembly actuates the headlight leveling motor according
to vehicle conditions.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) ...
Lost Communication with Rear Airbag Sensor RH (B1632/81,B1633/81,B1642/81,B1692/81,B1693/81)
DESCRIPTION
The side collision sensor RH circuit (to determine deployment of the front seat
side airbag assembly RH and curtain shield airbag assembly RH) is composed of the
center airbag sensor assembly, rear airbag sensor RH and side airbag sensor RH.
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2F and 2C driver side junction block connectors.
(b) Disconnect the D50 and D51 main body ECU connectors.
(c) Measure the resistance and voltage according to ...