B2784

ENGINE IMMOBILIZER: ENGINE IMMOBILIZER SYSTEM: B2784: Antenna Coil Open / Short

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).






INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC
(a) Delete the DTC Reading and Clearing Diagnostic Trouble Codes.
(b) Recheck for DTC.

Result:





B -- NORMAL
A -- Continue to next step.
2. CHECK OPERATION OF ENGINE SWITCH
(a) 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