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Home >> Lexus >> 2009 >> GS 350 AWD >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Variable Gear Ratio Steering System (Diagnostic Codes & Symptom Tests) >> Variable Gear Ratio Steering System >> Steering Angle Differs between Left and Right >> Procedure

Steering Angle Differs between Left and Right: Procedure

  1. CHECK STEERING WHEEL POSITION 
    1. Turn the steering wheel from lock to lock at a speed of approximately 90°/sec Check if the steering wheel angles between left and right.

      OK

      The steering wheel is centered.

      HINT: 

      If turning the steering wheel quickly while driving at low speeds, the steering angle may differ between left and right, or the steering wheel may become off-center. However, this is not a malfunction.

    OK → VGRS SYSTEM IS NORMAL 

    NG: Go to next step 

  2. CHECK STEERING EFFORT 
    1. Start the engine.
    2. Turn the steering wheel.
    3. Check the steering effort.

      OK

      Below 6.5 N*m (66 kgf*cm, 57 in.*lbf)

      HINT: 

      After completing the inspection or repair, attempt to simulate the problem and then perform step 1 again to reconfirm that the problem does not occur.

    NG → GO TO POWER STEERING SYSTEM 

    OK: Go to next step 

  3. CHECK WHEEL ALIGNMENT 
    1. Check wheel alignment. Refer to ADJUSTMENT for front, refer to ADJUSTMENT for rear).

      OK

      The wheel alignment is normal.

      HINT: 

      Adjust the tie-rod ends within the specified values so that the tire angles are the same between left and right when the steering wheel is turned from lock to lock.

    NG → PERFORM WHEEL ALIGNMENT ADJUSTMENT 

    OK → PERFORM REINSTALL STEERING GEAR NEUTRAL POSITION AND STEERING COLUMN NEUTRAL POSITION