2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Injector Driver: Installation

  1. INSTALL INJECTOR DRIVER 
    NOTE:
    • Be careful not to drop or strike the injector drivers.
    • The injector drivers are grounded at the bolt and nut. To ensure that they are grounded, remove all oil and foreign matter from the installation areas of the injector drivers and engine before installing the injector drivers.
    1. Install the 2 injector drivers to the intake air surge tank assembly with the 8 nuts.

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

      Fig 1: Locating Injector Drivers Nuts
      G05750047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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 connectors securely.

        HINT.

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

        Fig 2: Locating Connectors With Wire Harness Locks
        G05750049Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL V-BANK COVER SUB-ASSEMBLY  (See INSTALLATION )
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
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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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