THEFT DETERRENT SYSTEM ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the body ECU.

WIRING DIAGRAM

B003PJKE03

CAUTION / NOTICE / HINT

Note


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

  • If the body ECU has been replaced, it is necessary to initialize the body ECU.

    Click here

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. B003LENC01
      *a

      Front view of wire harness connector

      (to Instrument Panel Junction Block Assembly)

      Disconnect the instrument panel junction block assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2J-5 - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      2D-5 - Body ground Ignition switch ON 11 to 14 V
      2J-3 - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the body ECU.

      Click here

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

      B003PXCC01
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      		 - -
      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      2J-5 - A-1 (GND) Always Below 1 Ω
      2D-5 - A-7 (IG) Always Below 1 Ω
      2J-3 - A-6 (BECU) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here