Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2007 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE

Injector Driver: Installation

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 injector driver with the bolt and 2 nuts.
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
  
  Fig 1: Identifying Injector Driver Removing Bolt And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the 4 injector driver connectors.
  1. Connect the 3 connectors with wire harness locks and the connector to the injector driver. Move the lock lever in the direction indicated by the arrow to lock the connector.
    NOTE: Connect the connector securely.

Factory Service Tools

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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.