2007 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE

Steering Angle Sensor: Installation

  1. INSTALL STEERING ANGLE SENSOR 
    1. Align the locating pins, attach the 6 claws and install the sensor to the spiral cable.
      Fig 1: Identifying Locating Pins
      G05306062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL SPIRAL CABLE SUB-ASSEMBLY WITH STEERING ANGLE SENSOR  (See INSTALLATION )
  3. INSTALL STEERING COLUMN COVER  (See INSTALLATION )
  4. CENTER SPIRAL CABLE  (See INSTALLATION )
  5. INSTALL STEERING WHEEL ASSEMBLY  (See INSTALLATION )
  6. INSTALL STEERING WHEEL PAD  (See INSTALLATION )
  7. INSPECT STEERING WHEEL CENTER POINT 
  8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When reconnecting the cable to the negative (-) battery terminal after installing the steering angle sensor, check that the front tires and steering wheel are kept aligned straight ahead before and after connecting the cable to the negative (-) battery terminal.
  9. CHECK STEERING WHEEL PAD  (See INSTALLATION )
  10. CHECK SRS WARNING LIGHT 
    1. Check the SRS warning light (see DIAGNOSIS SYSTEM (2006/02-2006/07) ).
  11. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION (2006/02-2006/07) ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
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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.