IMMOBILISER SYSTEM(w/ Smart Entry and Start System) Security Indicator Light Does not Blink

DESCRIPTION

The certification ECU (smart key ECU assembly) blinks the security indicator light when the immobiliser is set (engine switch off, or driver door is opened and closed with engine switch on (IG)).

WIRING DIAGRAM

B003PG4E02

CAUTION / NOTICE / HINT

Note


  • When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

  • Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS (IMMOBILISER INDICATOR)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Entry&Start / Active Test.

    5. Perform the Active Test according to the display on the GTS.


      Body Electrical > Entry&Start > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Immobiliser Indicator Theft warning indicator light assembly OFF/ON -

      Body Electrical > Entry&Start > Active Test
      Tester Display
      Immobiliser Indicator
      OK
      The security indicator light operates normally.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

  2. INSPECT THEFT WARNING INDICATOR LIGHT ASSEMBLY


    1. Remove the theft warning indicator light assembly.

      Click here

    2. Inspect the theft warning indicator light assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE THEFT WARNING INDICATOR LIGHT ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (THEFT WARNING INDICATOR LIGHT ASSEMBLY - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) AND BODY GROUND)


    1. Disconnect the G16 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the H2 theft warning indicator light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H2-2 (LP) - G16-15 (IND) Always Below 1 Ω
      H2-2 (LP) - Body ground Always 10 kΩ or higher
      G16-15 (IND) - Body ground Always 10 kΩ or higher
      H2-6 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR