THEFT DETERRENT SYSTEM ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the theft warning ECU.

WIRING DIAGRAM

A01E0TXE01

INSPECTION PROCEDURE

Note


  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

  • When replacing the theft warning ECU assembly, refer to the registration procedures Click here.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU - BATTERY AND BODY GROUND)


    1. A01DV10E02
      Text in Illustration
      *A except 2 Step Unlock Function
      *B for 2 Step Unlock Function
      *a

      Front view of wire harness connector

      (to Theft Warning ECU Assembly)

      Disconnect the T36*1 or T39*2 theft warning ECU connector.


      • *1: except 2 Step Unlock Function

      • *2: for 2 Step Unlock Function

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

      Standard Resistance
      except 2 Step Unlock Function
      Tester Connection Condition Specified Condition
      T36-1 (E) - Body ground Always Below 1 Ω
      for 2 Step Unlock Function
      Tester Connection Condition Specified Condition
      T39-1 (E) - Body ground Always Below 1 Ω

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

      Standard Voltage
      except 2 Step Unlock Function
      Tester Connection Condition Specified Condition
      T36-4 (+B1) - Body ground Always 11 to 14 V
      T36-14 (+B2) - Body ground Always 11 to 14 V
      for 2 Step Unlock Function
      Tester Connection Condition Specified Condition
      T39-3 (+B1) - Body ground Always 11 to 14 V
      T39-12 (+B2) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE THEFT WARNING ECU ASSEMBLY