2008 Lexus LS 600hLFACTORY OEM SERVICE PROCEDURE

Injector Driver: Installation

NOTE: While the battery is connected, even if the power switch is OFF, the brake control system activates when the brake pedal is depressed or the door courtesy switch turns on. Therefore during servicing of the brake system components, do not operate the brake pedal or open/ close the doors while the battery is connected.
  1. INSTALL INJECTOR DRIVER 
    NOTE:
    • Be careful not to drop or strike the injector driver.
    • The injector driver is grounded at the bolt and nut. To ensure that it is grounded, clean all oil and foreign matter from the installation areas of the injector driver and engine before installing the injector driver.
    1. Install the 2 injector drivers to the bracket with the 8 nuts.

      Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) 

    2. Temporarily install the 2 injector drivers (with bracket) with the 2 bolts and 2 nuts.
    3. Tighten the 2 bolts and 2 nuts in the order shown in the illustration.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Fig 1: Locating Injector Drivers Bolts
      G05772992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the 8 injector driver connectors.
      1. Connect the 6 connectors with wire harness locks and the 2 connectors without wire harness locks to the 2 injector drivers.
        NOTE: Connect the connector securely.

        HINT:

        Move the lock lever in the direction indicated by the arrow to lock the connector.

        Fig 2: Connecting Injector Driver Connectors
        G05772993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CONNECT ENGINE WIRE HARNESS  (See INSTALLATION )
  3. CONNECT ECM CONNECTOR  (See INSTALLATION )
  4. CONNECT NO. 2 CONNECTOR HOLDER  (See INSTALLATION )
  5. CONNECT HYBRID VEHICLE CONTROL ECU  (See INSTALLATION )
  6. INSTALL OUTLET ENGINE ROOM ECM DUCT  (See INSTALLATION )
  7. INSTALL ENGINE ROOM ECU COVER  (See INSTALLATION )
  8. INSTALL NO. 6 COVER SUB-ASSEMBLY  (See INSTALLATION  )
  9. INSTALL ENGINE COVER SUB-ASSEMBLY LH  (See INSTALLATION  )
  10. INSTALL SKID CONTROL ECU BRACKET  (See INSTALLATION )
  11. CONNECT BRAKE FLUID RESERVOIR  (See INSTALLATION )
  12. CONNECT NO. 3 ENGINE ROOM RELAY BLOCK  (See INSTALLATION )
  13. INSTALL SKID CONTROL ECU  (See INSTALLATION )
  14. CONNECT NO. 1 MOTOR COOLING PIPE  (See INSTALLATION )
  15. INSTALL AIR CLEANER ASSEMBLY LH  (See INSTALLATION )
  16. INSTALL AIR CLEANER ASSEMBLY RH  (See INSTALLATION )
  17. INSTALL INTAKE AIR CONNECTOR PIPE  (See INSTALLATION )
  18. INSTALL SERVICE PLUG GRIP  (See INSPECTION )
  19. INSTALL BATTERY SERVICE HOLE COVER  (See INSTALLATION )
  20. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (see INITIALIZATION ).
  21. INSTALL BATTERY SERVICE HOLE COVER LH  (See INSTALLATION )
  22. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY  (See INSTALLATION )
  23. INSTALL NO. 1 AIR CLEANER INLET  (See INSTALLATION )
  24. INSTALL ENGINE ROOM SIDE COVER LH  (See INSTALLATION )
  25. INSTALL ENGINE ROOM SIDE COVER RH  (See INSTALLATION )
  26. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY  (See INSTALLATION )
  27. INSTALL V-BANK COVER SUB-ASSEMBLY  (See INSTALLATION )
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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