2009 Lexus LS 460 AWDFACTORY OEM SERVICE PROCEDURE

Injector Driver: Removal

  1. REMOVE COWL TOP VENTILATOR LOUVER RH  (See REMOVAL )
  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
  3. REMOVE V-BANK COVER SUB-ASSEMBLY  (See REMOVAL )
  4. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY  (See REMOVAL )
  5. REMOVE ENGINE ROOM SIDE COVER LH  (See REMOVAL )
  6. REMOVE ENGINE ROOM SIDE COVER  (See REMOVAL )
  7. REMOVE NO. 1 AIR CLEANER INLET  (See REMOVAL )
  8. REMOVE INTAKE AIR CONNECTOR PIPE  (See REMOVAL )
  9. REMOVE AIR CLEANER CAP LH 
    1. Remove the air cleaner cap LH.
  10. REMOVE AIR CLEANER CAP RH 
    1. Remove the air cleaner cap RH.
  11. DISCONNECT ENGINE WIRE  (See REMOVAL )
  12. 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
        G05772990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts, 2 nuts and 2 injector drivers with bracket.
      NOTE: Be careful not to drop or strike the injector driver.
    3. Remove the 8 nuts and 2 injector drivers from the bracket.
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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.