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Home >> Lexus >> 2022 >> LX 600 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> ECM >> Installation [12/2021 - ] >> Procedure
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Installation [12/2021 - ]: Procedure

  1. INSTALL NO. 1 ECM BRACKET 

    Torque: 4.5 N.m (46 kgf/cm, 40 in.lbf) 

  2. INSTALL NO. 2 ECM BRACKET 

    Torque: 4.5 N.m (46 kgf/cm, 40 in.lbf) 

  3. INSTALL ECM 
    1. GTY1080975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the ECM with the 3 bolts.

        Torque: 13 N.m (133 kgf/cm, 10 ft.lbf) 

      2. Attach the 3 wire harness clamps.
      3. Connect the 3 connectors to the ECM and push down the lever to lock it.
      4. Attach the 2 wire connector clamps.
  4. INSTALL AIR CLEANER ASSEMBLY LH WITH AIR CLEANER HOSE ASSEMBLY LH 

    Refer to PROCEDURE - Step 2

  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 

    Refer to INSTALLATION [12/2021 - ]

  6. WRITE VIN 

    w/ Canister Pump Module: Refer to REGISTRATION [12/2021 - ]

    w/o Canister Pump Module: Refer to REGISTRATION [12/2021 - ]

    HINT: 

    It requires when replacing the ECM.

  7. ECU CONFIGURATION 

    Refer to ECU CONFIGURATION [12/2021 - ]

    HINT: 

    It requires when replacing the ECM.

  8. UPDATE ECU SECURITY KEY 

    Refer to UPDATE ECU SECURITY KEY [12/2021 - ]

    HINT: 

    It requires when replacing the ECM.

  9. WORK PROCEDURE AFTER PARTS INSTALLED 

    Refer to WORK PROCEDURE [12/2021 - ]

  10. WORK PROCEDURE AFTER BATTERY RECONNECTED 

    Refer to BEFORE DISCONNECTING BATTERY [12/2021 - ]

    HINT: 

    When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [12/2021 - ]