Dtc B2784 Antenna Coil Open / Short

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CLEAR DTC

CHECK FOR DTC

REPLACE ENGINE SWITCH

CLEAR DTC

CHECK FOR DTC

DTC B2784 Antenna Coil Open / Short


DESCRIPTION

This DTC is output when there is an open or short malfunction in the transponder key coil (built into the engine switch).

DTC Code
DTC Detection Condition
Trouble Area
B2784
The antenna coil is open/shorted.
  1. Certification ECU (Smart key ECU assembly)
  2. Engine switch

INSPECTION PROCEDURE

1.CLEAR DTC

  1. Clear the DTCs (Click here).


NEXT


2.CHECK FOR DTC

  1. Check for DTCs (Click here).

    OK:
    DTC B2784 is not output.


NG
Go to step 3
OK

USE SIMULATION METHOD TO CHECK (Click here)

3.REPLACE ENGINE SWITCH

  1. for 1GR-FE

    1. Temporarily replace the engine switch with a new one (Click here).

  1. for 1UR-FE

    1. Temporarily replace the engine switch with a new one (Click here).

  1. for 1VD-FTV

    1. Temporarily replace the engine switch with a new one (Click here).

  1. for 3UR-FE

    1. Temporarily replace the engine switch with a new one (Click here).


NEXT


4.CLEAR DTC

  1. Clear the DTCs (Click here).


NEXT


5.CHECK FOR DTC

  1. Recheck for DTCs (Click here).

    OK:
    DTC B2784 is not output.


NG
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
OK

END (ENGINE SWITCH IS DEFECTIVE)