DTC    B2784    Antenna Coil Open / Short

for Preparation Click here


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
Antenna coil is open or shorted.
  1. Certification ECU
  2. Engine switch

WIRING DIAGRAM


B151004E17


INSPECTION PROCEDURE

NOTICE:
If the certification ECU is replaced, register the key.

1.REPLACE ENGINE SWITCH

  1. Replace the engine switch (Click here).


NEXT


2.CHECK DTC OUTPUT

  1. Clear the DTCs (Click here).

  1. Recheck for DTCs (Click here).

    OK:
    B2784 output does not recur.



NG
REPLACE CERTIFICATION ECU
OK

END (ENGINE SWITCH IS DEFECTIVE)