Dtc B2784 Antenna Coil Open / Short

Securities. Lexus Gs430, Gs300. Uzs190 Grs190
Engine Immobiliser. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

CHECK OPERATION OF ENGINE SWITCH

DTC B2784 Antenna Coil Open / Short


DESCRIPTION

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

DTC No.
DTC Detection Condition
Trouble Area
B2784
Antenna coil is open/short
  1. Certification ECU
  2. Engine switch

INSPECTION PROCEDURE

1.CHECK FOR DTC

  1. Delete the DTC (Click here).

  1. Recheck for DTC.

    Result:
    Result
    		Proceed to
    B2784 output reoccurs
    		A
    B2784 output does not reoccur
    		B



B
NORMAL
A


2.CHECK OPERATION OF ENGINE SWITCH

  1. After replacing the engine switch with a normal one, check that the engine starts.

    OK:
    Engine starts.


NG
REPLACE CERTIFICATION ECU
OK

REPLACE ENGINE SWITCH