ENGINE IMMOBILISER SYSTEM, Diagnostic DTC:B2784

DTC Code DTC Name
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).

DTC Code DTC Detection Condition Trouble Area
B2784 Antenna coil is open/shorted

  • Certification ECU

  • Engine switch

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Check for DTC Click here.

      OK
      DTC B2784 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. REPLACE ENGINE SWITCH


    1. Temporarily replace the engine switch with a new one.



    NEXT

  3. CHECK FOR DTC


    1. Recheck for DTC Click here.

      OK
      DTC B2784 is not output.

    OK

    END (ENGINE SWITCH IS DEFECTIVE)

    NG

    REPLACE CERTIFICATION ECU