2012 Lexus LS 460 AWDFACTORY OEM SERVICE PROCEDURE

Injector Driver: Removal: Removal

  1. REMOVE COWL TOP VENTILATOR LOUVER RH  . Refer to REMOVAL - Step 1
  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  . Refer to REMOVAL - Step 3
  4. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY  . Refer to REMOVAL - Step 4
  5. REMOVE ENGINE ROOM SIDE COVER LH  . Refer to REMOVAL - Step 8
  6. REMOVE ENGINE ROOM SIDE COVER  . Refer to REMOVAL - Step 7
  7. REMOVE NO. 1 AIR CLEANER INLET  . Refer to REMOVAL - Step 5
  8. REMOVE INTAKE AIR CONNECTOR PIPE  . Refer to REMOVAL - Step 8
  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  . Refer to REMOVAL - Step 15
  12. REMOVE INJECTOR DRIVER 
    1. Disconnect the 8 injector driver connectors.
      Fig 1: Identifying Injector Driver Connectors
      GTY148233Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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).

    2. Remove the 2 bolts, 2 nuts and 2 injector drivers with bracket.
      NOTE: Be careful not to drop or strike the injector driver.
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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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