Antenna Coil Open / Short (B2784)

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

NOTICE:

If the certification ECU (smart key ECU assembly) is replaced, register the key (See page ).

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

NG

1. REPLACE ENGINE SWITCH

(a) Replace the engine switch (See page for
2GR-FE, See page for 1AR-FE)).

NEXT

1. 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)