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Home >> Lexus >> 2016 >> LS 600h >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> ECM >> Installation [09/2015 - ] >> Procedure
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Installation [09/2015 - ]: Procedure

  1. INSTALL ECM 
    1. Install the 2 ECM brackets with the 4 screws.
    2. Install the ECM with the 2 nuts.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

      GTY147533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the 6 ECM connectors.
  2. CONNECT NO. 2 CONNECTOR HOLDER 
    1. Attach the 2 claws to connect the No. 2 connector holder.
      GTY674301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 2 engine wire connectors.
  3. INSTALL HYBRID VEHICLE CONTROL ECU 
    1. Install the hybrid vehicle control ECU with the 2 nuts.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

      GTY685952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 4 hybrid vehicle control ECU connectors.
  4. INSTALL ENGINE ROOM ECU COVER 
    GTY634634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the engine room ECU cover with the 3 bolts.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

  5. INSTALL ENGINE ROOM SIDE COVER LH 

    Refer to PROCEDURE - Step 25

  6. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 91

  7. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Refer to INITIALIZATION [09/2015 - ] ).

  8. INSTALL BATTERY SERVICE HOLE COVER LH 

    Refer to PROCEDURE - Step 13

  9. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 14

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