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

DESCRIPTION


WIRING DIAGRAM

B006ZCJE03
*1 Security Indicator Light (Telltale Light Assembly)
*2 Transponder Key ECU Assembly
*3 Main Body ECU (Multiplex Network Body ECU)

CAUTION / NOTICE / HINT

Note


  • If the transponder key ECU assembly is replaced, refer to Service Bulletin.

  • The vehicle battery supplies power to the main body ECU (multiplex network body ECU) via the door control battery. Therefore, before performing this troubleshooting procedure, make sure to perform an on-vehicle inspection to confirm that the main body ECU (multiplex network body ECU) power source circuit is normal.*

    Click here


    • *: w/ Door Control Battery

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS (SECURITY INDICATOR)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Immobiliser or Main Body / Active Test.

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


      Body Electrical > Immobiliser > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Security Indicator Security indicator light (telltale light assembly) ON/OFF -

      Body Electrical > Immobiliser > Active Test
      Tester Display
      Security Indicator

      Body Electrical > Main Body > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Security Indicator Security indicator light (telltale light assembly) ON/OFF -

      Body Electrical > Main Body > Active Test
      Tester Display
      Security Indicator
      Result
      Result Proceed to
      Security indicator light (telltale light assembly) operation is normal when performing the "Main Body" and "Immobiliser" Active Test A

      • Security indicator light (telltale light assembly) operation is not normal when performing the "Immobiliser" Active Test

      • Security indicator light operation is normal when performing the "Main Body" Active Test

      		 B

      • Security indicator light (telltale light assembly) operation is normal when performing the "Immobiliser" Active Test

      • Security indicator light (telltale light assembly) operation is not normal when performing the "Main Body" Active Test

      		 C
      Security indicator light (telltale light assembly) operation is not normal when performing the "Main Body" and "Immobiliser" Active Test D

    B

    CHECK HARNESS AND CONNECTOR (SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) - TRANSPONDER KEY ECU ASSEMBLY) Click here

    C

    CHECK HARNESS AND CONNECTOR (SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) Click here

    D

    INSPECT SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) Click here

    A

  2. CHECK SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) OPERATION


    1. When the immobiliser is set, check that the security indicator light (telltale light assembly) blinks.*1

      OK
      The security indicator light (telltale light assembly) blinks normally.

    2. When the theft deterrent system is in the arming preparation state, check that the security indicator light (telltale light assembly) is on.*2

      Click here

      OK
      The security indicator light (telltale light assembly) is on.
      Result
      Result Proceed to
      Both *1 and *2 are OK A
      *1 is NG (*2 is OK) B
      *2 is NG (*1 is OK) C
      Both *1 and *2 are NG D

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE TRANSPONDER KEY ECU ASSEMBLY

    C

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    D

    REPLACE SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) Click here

  3. CHECK HARNESS AND CONNECTOR (SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) - TRANSPONDER KEY ECU ASSEMBLY)


    1. Disconnect the K36 security indicator light (telltale light assembly) connector.

    2. Disconnect the K60 transponder key ECU assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K60-8 (IND) - K36-9 (LP) Always Below 1 Ω
      K60-8 (IND) or K36-9 (LP) - Other terminals and body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TRANSPONDER KEY ECU ASSEMBLY

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. CHECK HARNESS AND CONNECTOR (SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))


    1. Disconnect the K36 security indicator light (telltale light assembly) connector.

    2. Disconnect the K52 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K52-7 (IND) - K36-9 (LP) Always Below 1 Ω
      K52-7 (IND) or K36-9 (LP) - Other terminals and body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. INSPECT SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY)


    1. Remove the security indicator light (telltale light assembly).

      Click here

    2. Inspect the security indicator light (telltale light assembly).

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

    REPLACE SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) Click here