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Home >> Lexus >> 2021 >> NX 300 Base, FWD >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> ECM >> Installation [10/2014 - 05/2019] >> Procedure
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Installation [10/2014 - 05/2019]: Procedure

  1. INSTALL NO. 2 ECM BRACKET 
    1. Install the No. 2 ECM bracket to the ECM with the 2 screws.

      Torque: 3.0 N.m (31 kgf/cm, 27 in.lbf) 

  2. INSTALL NO. 1 ECM BRACKET 
    1. Install the No. 1 ECM bracket to the ECM with the 2 screws.

      Torque: 3.0 N.m (31 kgf/cm, 27 in.lbf) 

  3. INSTALL ECM 
    1. Install the ECM with the 3 bolts.

      Torque: 6.5 N.m (66 kgf/cm, 58 in.lbf) 

      NOTE:

      Replace with a new part if it is dropped or if it receives a strong impact.

    2. Connect the 2 ECM connectors and lock with the 2 levers.
      GTY506760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • When connecting a connector, make sure that dirt, water and other foreign matter is not stuck between the connector and ECM.
      • Make sure that the 2 levers are securely lowered.
  4. INSTALL AIR CLEANER CASE SUB-ASSEMBLY 
    1. Insert the pin of the air cleaner case sub-assembly to the grommet of the engine mounting insulator LH.
      GTY504776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin
      *b Grommet
    2. Install the air cleaner case sub-assembly with the 2 bolts.

      Torque: 5.0 N.m (51 kgf/cm, 44 in.lbf) 

    3. Attach the 3 wire harness clamps to connect the wire harness to the air cleaner case assembly.
  5. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY 
    1. Install the air cleaner filter element sub-assembly.
  6. INSTALL AIR CLEANER CAP SUB-ASSEMBLY 
    1. Attach the 2 clips to install the air cleaner cap sub-assembly.
    2. Tighten the hose clamp to secure the air cleaner cap sub-assembly.
    3. Attach the wire harness clamp to connect the wire harness to the air cleaner cap sub-assembly.
    4. Connect the intake mass air flow meter sub-assembly connector.
  7. INSTALL BATTERY 

    Refer to PROCEDURE - Step 5 [10/2014 - 05/2018] , or refer to PROCEDURE - Step 5 [05/2018 - 05/2019]

  8. INSTALL BATTERY INSULATOR 

    Refer to PROCEDURE - Step 6 [10/2014 - 05/2018] , or refer to PROCEDURE - Step 6 [05/2018 - 05/2019]

  9. INSTALL BATTERY CLAMP SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7 [10/2014 - 05/2018] , or refer to PROCEDURE - Step 7 [05/2018 - 05/2019]

  10. CONNECT CABLE TO POSITIVE BATTERY TERMINAL 
  11. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [10/2014 - 09/2017] , or refer to INITIALIZATION [09/2017 - 05/2019]

  12. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [10/2014 - 09/2017] , or refer to INITIALIZATION [09/2017 - 05/2019]