Engine Immobiliser 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 in the transponder key coil (built into the engine switch).





INSPECTION PROCEDURE

NOTICE:
If the certification ECU is replaced, register the key Engine Immobiliser System (w/ Smart Key System).

PROCEDURE

1. CHECK DTC OUTPUT

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

(b) Recheck for DTCs Engine Immobiliser System (w/ Smart Key System).

OK:

DTC B2784 is not output.

NG -- REPLACE ENGINE SWITCH

OK -- USE SIMULATION METHOD TO CHECK Electronic Circuit Inspection Procedure

2. REPLACE ENGINE SWITCH

(a) Replace the engine switch Removal.

NEXT -- Continue to next step.

3. CHECK DTC OUTPUT

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

(b) Recheck for DTCs Engine Immobiliser System (w/ Smart Key System).

OK:

DTC B2784 is not output.

NG -- REPLACE CERTIFICATION ECU Removal

OK -- END (ENGINE SWITCH WAS DEFECTIVE)