IMMOBILISER SYSTEM(w/o Entry and Start System) Engine does not Start because No Initial Combustion

DESCRIPTION


WIRING DIAGRAM

A01QTJ0E12
*a Transponder Key ECU Assembly
*b Transponder Key Coil

CAUTION / NOTICE / HINT

Note


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

  • When using the GTS with the vehicle ignition switch off, connect the GTS to the vehicle 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 the Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Immobiliser. 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.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Powertrain > Engine and ECT > Clear DTCs
      Powertrain > Engine > Clear DTCs
      Body Electrical > Immobiliser > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT
  2. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Powertrain > Engine and ECT > Trouble Codes
      Powertrain > Engine > Trouble Codes
      Body Electrical > Immobiliser > Trouble Codes

      Tech Tips

      Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.

      Result
      Proceed to
      DTCs are not output (for Gasoline)
      DTCs are not output (for Diesel)
      DTCs are output

    DTCs are not output (for Diesel)
    DTCs are output
    DTCs are not output (for Gasoline)
  3. READ VALUE USING GTS (IMMOBILISER FUEL CUT)


    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 / Engine and ECT / Data List.

    5. Read the Data List according to the display on the GTS.


      Powertrain > Engine and ECT > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Immobiliser Fuel Cut Status of immobiliser system fuel cut OFF/ON - -

      Powertrain > Engine and ECT > Data List
      Tester Display
      Immobiliser Fuel Cut
      OK
      OFF is displayed after the engine is started.
      Result
      Proceed to
      OK (for 2AR-FE)
      OK (for 3ZR-FAE)
      OK (for 3ZR-FE)
      NG

    OK (for 2AR-FE)
    OK (for 3ZR-FAE)
    OK (for 3ZR-FE)
    NG
  4. CHECK SECURITY INDICATOR LIGHT OPERATION


    1. Check that the security indicator light turns off when a registered key is inserted into the ignition key cylinder.

      OK
      Security indicator light turns off.
      Result
      Proceed to
      OK
      NG

    OK
    NG
  5. CHECK SECURITY INDICATOR LIGHT OPERATION


    1. Check that the security indicator light turns off when another registered key is inserted into the ignition key cylinder.

      OK
      Security indicator light turns off.
      Result
      Proceed to
      OK
      NG

    NG
    OK
  6. CHECK WHETHER ENGINE STARTS


    1. Using another registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      OK
      Engine starts normally.
      Result
      Proceed to
      Engine can be started
      Engine cannot be started

    Engine can be started
    Engine cannot be started
  7. REPLACE TRANSPONDER KEY COIL


    1. Replace the transponder key coil.

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  8. CHECK WHETHER ENGINE STARTS


    1. Using a registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      OK
      Engine starts normally.
      Result
      Proceed to
      Engine can be started
      Engine cannot be started

    Engine can be started
    Engine cannot be started
  9. REPLACE TRANSPONDER KEY ECU ASSEMBLY


    1. Replace the transponder key ECU assembly with a new one.

      Tech Tips

      Refer to the Service Bulletin.

      Note

      Key ID code registration is necessary when replacing the transponder key ECU assembly.

      Refer to the Service Bulletin.

      Result
      Proceed to
      NEXT

    NEXT
  10. CHECK WHETHER ENGINE STARTS


    1. Using a registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      OK
      Engine starts normally.
      Result
      Proceed to
      Engine can be started
      Engine cannot be started

    Engine can be started
    Engine cannot be started
  11. REPLACE KEY


    1. Replace the key.

      Note

      Key ID code registration is necessary when replacing the key.

      Refer to the Service Bulletin.

      Result
      Proceed to
      NEXT

    NEXT
  12. CHECK WHETHER ENGINE STARTS


    1. Using a registered key, turn the ignition switch to ON.

    2. Check that the engine starts 5 seconds after the ignition switch was turned to ON.

      OK
      Engine starts normally.
      Result
      Proceed to
      Engine can be started
      Engine cannot be started (for 2AR-FE)
      Engine cannot be started (for 3ZR-FAE)
      Engine cannot be started (for 3ZR-FE)
      Engine cannot be started (for 1AD-FTV)
      Engine cannot be started (for 2AD-CCo)
      Engine cannot be started (for 2AD-DPF)
      Engine cannot be started (for 2AD-FHV)

    Engine can be started
    Engine cannot be started (for 2AR-FE)
    Engine cannot be started (for 3ZR-FAE)
    Engine cannot be started (for 3ZR-FE)
    Engine cannot be started (for 1AD-FTV)
    Engine cannot be started (for 2AD-CCo)
    Engine cannot be started (for 2AD-DPF)
    Engine cannot be started (for 2AD-FHV)