ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System) Security Indicator Light Circuit

DESCRIPTION


WIRING DIAGRAM

A004S9BE19
*1 Telltale Light Assembly
*2 Transponder Key ECU

CAUTION / NOTICE / HINT

Tech Tips

When the transponder key ECU is replaced, reregister the ECU - ECM communication ID.

PROCEDURE


  1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SECURITY INDICATOR)


    1. Check that the security indicator light illuminates when operating it with the Active Test.

      Immobiliser
      Tester Display Test Part Control Range Diagnostic Note
      Security Indicator Security indicator ON / OFF -
      OK
      Security indicator illuminates.

    OK

    REPLACE TRANSPONDER KEY ECU

    NG

  2. INSPECT TELLTALE LIGHT ASSEMBLY


    1. A004PPKE02
      Text in Illustration
      *1

      Component without harness connected

      (Telltale Light Assembly)

      Remove the telltale light assembly Click here.

    2. Connect the positive (+) lead from the battery to terminal 10 and the negative (-) lead to terminal 11, and then check that security indicator illuminates.

      OK
      Security indicator illuminates.

    NG

    REPLACE TELLTALE LIGHT ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT ASSEMBLY - TRANSPONDER KEY ECU AND BODY GROUND)

    A004U92E02
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Telltale Light Assembly)
    *2

    Front view of wire harness connector

    (to Transponder Key ECU)

    1. Disconnect the D135 light connector.

    2. Disconnect the D102 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D135-10 (LP) - D102-8 (IND) Always Below 1 Ω
      D135-11 (E) - Body ground Always Below 1 Ω
      D135-10 (LP) or D102-8 (IND) - Body ground Always 10 kΩ or higher

    OK

    REPLACE TRANSPONDER KEY ECU

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR