ENGINE IMMOBILISER SYSTEM (w/ Smart Entry and Start System) ID Code Box Power Source Circuit

DESCRIPTION

This circuit provides power to operate the ID code box (immobiliser code ECU).

WIRING DIAGRAM

A017D3HE04

INSPECTION PROCEDURE

Note

If the ID code box (immobiliser code ECU) is replaced, register the ECU code and ECU communication ID.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (ID CODE BOX - BATTERY)


    1. A017G0KE36

      Disconnect the ID code box (immobiliser code ECU) connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage
      Tester Connection Condition Specified Condition
      D28-1 (+B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE

    OK

  2. CHECK HARNESS AND CONNECTOR (ID CODE BOX - BODY GROUND)


    1. A017G0KE37

      Measure the resistance according to the value(s) in the table below.

      Standard resistance
      Tester Connection Condition Specified Condition
      D28-8 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ID CODE BOX (IMMOBILISER CODE ECU)