THEFT DETERRENT SYSTEM ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the theft warning ECU.

WIRING DIAGRAM

A01J5CNE02

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT FUSE (ECU-B, DCC, DOOR)


    1. Remove the ECU-B and DCC fuses from the engine room relay block.

    2. Remove the DOOR fuse from the NO. 3 relay block.

    3. Measure the resistance of the fuses.

      Standard resistance
      Below 1 Ω

    NG

    REPLACE FUSE

    OK

  2. CHECK WIRE HARNESS (THEFT WARNING ECU - BATTERY AND BODY GROUND)

    A01J6VLE04

    1. Disconnect the T16 ECU connector.

    2. Measure the voltage of the wire harness side connector.

      Standard voltage
      Tester Connection Specified Condition
      T16-4 (+B1) - Body ground 10 to 14 V
      T16-14 (+B2) - Body ground 10 to 14 V

    3. Measure the resistance of the wire harness side connector.

      Standard resistance
      Tester Connection Specified Condition
      T16-1 (E) - Body ground Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS AND CONNECTOR

    OK

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE