ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System) Key Cannot be Registered

DESCRIPTION

A maximum of 5 master key codes and 3 sub key codes can be registered.

WIRING DIAGRAM

Refer to "System Diagram" Click here.

CAUTION / NOTICE / HINT

Note

When replacing the key and transponder key ECU assembly, refer to the Service Bulletin.

PROCEDURE


  1. CHECK REGISTRATION MODE


    1. Check that the system enters registration mode.

      OK
      System enters registration mode

    NG

    INSPECT UNLOCK WARNING SWITCH ASSEMBLY Click here

    OK

  2. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Immobiliser / Data List.

    5. According to the display on the intelligent tester, read the Data List.

      Immobiliser
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Transponder S-code Number of registered sub-keys / min.: 0, max.: 3 Number of registered sub-keys -
      Transponder M-code Number of registered master keys / min.: 0, max.: 5 Number of registered master keys -
      Result
      Result Proceed to
      None of the below A
      Registered master keys: 5, registered sub-keys: 0 B
      Registered master keys: 0, registered sub-keys: 3 C
      Registered master keys: 5, registered sub-keys: 3 D

    B

    KEY REGISTRATION (SUB-KEY)

    C

    KEY REGISTRATION (MASTER KEY)

    D

    NOT KEY REGISTRATION

    A

  3. KEY REGISTRATION


    1. Refer to the table below to determine if additional keys can be registered.

      Number of Keys Registered (Master and Sub) Proceed to
      0 New key ID registration (refer to the Service Bulletin)
      1 to 7 Additional key ID registration (refer to the Service Bulletin)

    2. Check whether key registration.


    OK

    END (KEY MALFUNCTION)

    NG

    REPLACE TRANSPONDER KEY ECU ASSEMBLY

  4. INSPECT UNLOCK WARNING SWITCH ASSEMBLY


    1. Inspect the unlock warning switch assembly Click here.


    NG

    REPLACE UNLOCK WARNING SWITCH ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU ASSEMBLY - UNLOCK WARNING SWITCH)


    1. Disconnect the F15 unlock warning switch assembly connector.

    2. Disconnect the F54 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
      F15-1 - F54-3 (KSW) Always Below 1 Ω
      F15-2 - Body ground Always Below 1 Ω
      F15-1 - Body ground Always 10 kΩ or higher

    OK

    REPLACE TRANSPONDER KEY ECU ASSEMBLY

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR