Engine Immobilizer System (w/ Smart Key System)

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/ Smart Key System): B2784: Antenna Coil Open / Short
B2784 - Antenna Coil Open / Short

DESCRIPTION

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





INSPECTION PROCEDURE

NOTICE:
Before replacing the certification ECU, refer to Registration Engine Immobilizer System (w/ Smart Key System).

PROCEDURE

1. REPLACE ENGINE SWITCH

(a) Temporarily replace the engine switch with a new or normally functioning one Removal.

NEXT -- Continue to next step.

2. CLEAR DTC

(a) Clear the DTCs Engine Immobilizer System (w/ Smart Key System).

NEXT -- Continue to next step.

3. CHECK FOR DTC

(a) Check for DTCs Engine Immobilizer System (w/ Smart Key System).

OK:

DTC B2784 is not output.

NG -- REPLACE CERTIFICATION ECU Removal

OK -- END (ENGINE SWITCH IS DEFECTIVE)