2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Injector Driver: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  2. REMOVE V-BANK COVER SUB-ASSEMBLY  (See REMOVAL )
  3. REMOVE INJECTOR DRIVER 
    1. Disconnect the 8 injector driver connectors
      1. Disconnect the 6 connectors with wire harness locks and the 2 connectors without wire harness locks from the 2 injector drivers.

        HINT.

        To release each connector lock, push the claw downward ("Release" in the illustration) and move the lock lever ("Move" in the illustration).

        Fig 1: Locating Injector Driver Connectors
        G05750046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 8 nuts and 2 injector drivers from the intake air surge tank assembly
      NOTE: Be careful not to drop or strike the injector drivers.
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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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