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Calibration [09/2015 - ]: Procedure

  1. VGRS SYSTEM CALIBRATION PROCEDURE 

    Result

    Proceed to
    USING SST CHECK WIRE
    USING TECHSTREAM

    Result:  2

    USING TECHSTREAM 

    See step  12

    Result:  1

    USING SST CHECK WIRE 

    See step  2

  2. FACE TIRES STRAIGHT AHEAD 
    NOTE:

    Drive the vehicle to confirm that the steering wheel is centered.

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  3

  3. CHECK DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [09/2015 - ] 

      Result

      Result Proceed to
      DTC C1591/51 is not output A
      DTC C1591/51 is output B

    Result:  2

    B 

    See step  5

    Result:  1

    A 

    See step  4

  4. PERFORM ACTUATOR ANGLE INITIALIZATION 
    1. Start the engine.
    2. Center the steering wheel.
      GTY276837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09843-18040 
    3. Complete the following steps within 1 minute.
      1. Using SST, connect terminals 12 (TS) and 4 (CG), and 13 (TC) and 4 (CG) of the DLC3.
      2. Disconnect SST from terminal 12 (TS) of the DLC3, and turn the steering wheel to the left 180° or more.
      3. Connect SST to terminal 12 (TS) of the DLC3.
      4. Disconnect SST from terminal 13 (TC) of the DLC3, and turn the steering wheel to the right 180° or more.
      5. Connect SST to terminal 13 (TC) of the DLC3.

        HINT: 

        When the master warning light comes on, DTC C1591/51 is memorized.

    4. Disconnect SST from the DLC3.
    5. Turn the engine switch off.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  5

  5. FACE TIRES STRAIGHT AHEAD 
    1. Confirm that the steering wheel is centered when facing the tires straight ahead.
      NOTE:

      Drive the vehicle to confirm that the steering wheel is centered.

      Result

      Result Proceed to
      Steering wheel is off-center A
      Steering wheel is centered B

    Result:  2

    B 

    See step  9

    Result:  1

    A 

    See step  6

  6. UNLOCK STEERING ACTUATOR 
    NOTE:

    Do not start the engine.

    1. Turn the engine switch off.
    2. Disconnect the negative (-) terminal cable from the battery.
    3. Disconnect the x2 connector from the steering actuator.
      GTY635595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect a jumper wire from terminal 4 (LV) to the positive (+) battery terminal and another jumper wire from terminal 10 (LG) to the negative (-) battery terminal.
      NOTE:

      Do not apply voltage for more than 3 minutes.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  7

  7. STEERING CENTER ADJUSTMENT 
    1. Center the steering wheel.
      NOTE:

      If the centering of the spiral cable was not confirmed when the steering wheel was installed, confirm the centering of the spiral cable.

      Refer to INSTALLATION [09/2015 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  8

  8. LOCK STEERING ACTUATOR 
    1. Disconnect the positive (+) and negative (-) battery terminal cables from the steering actuator.
    2. Connect the x2 connector to the steering actuator.
    3. Connect the negative (-) terminal cable to the battery.
    4. Turn the steering wheel approximately 3° to the left and right. Confirm that the reaction force can be felt.
      NOTE:
      • If the above procedures are not followed correctly, a DTC will be detected. If a DTC is detected, perform the above procedures again and then check for DTCs.
      • Perform these procedures with the engine switch off.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  9

  9. ADJUST ACTUATOR ANGLE 

    HINT: 

    Activating and ending test mode will complete actuator angle adjustment.

    1. Make sure the engine switch is off.
      NOTE:

      Do not touch the steering wheel during these procedures.

    2. Using SST, connect terminals 12 (TS) and 4 (CG) of the DLC3.
      GTY235975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09843-18040 
    3. Turn the engine switch on (IG).
    4. Confirm that the "VGRS TEST MODE" is displayed on the multi-information display when test mode is activated.

      HINT: 

      Wait approximately 5 seconds.

    5. Turn the engine switch off.
    6. Disconnect SST from terminals 12 (TS) and 4 (CG) of the DLC3.
    7. Turn the engine switch on (IG) again.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  10

  10. CHECK MASTER WARNING LIGHT 
    1. Confirm that the master warning light is off.
    2. Turn the engine switch off.
    3. Confirm that the master warning light is operating normally.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  11

  11. CHECK STEERING WHEEL OPERATION 
    1. Start the engine.
    2. Perform the steering angle sensor initialization.

      Refer to INITIALIZATION [09/2015 - ] 

    3. Turn the steering wheel from lock to lock and check that it rotates approximately 2.7 turns.
    4. Drive the vehicle and confirm that the steering wheel is centered.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    END 

  12. FACE TIRES STRAIGHT AHEAD 
    NOTE:

    Drive the vehicle to confirm that the steering wheel is centered.

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  13

  13. PERFORM VGRS SYSTEM CALIBRATION 
    1. Connect Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the tester on.
    4. Enter the following menus: Chassis / VGRS / Utility / Steering Angle Adjust.
    5. Perform the following procedures displayed on the tester.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  14

  14. CHECK MASTER WARNING LIGHT 
    1. Confirm that the master warning light is off.
    2. Turn the engine switch off.
    3. Disconnect the Techstream from the DLC3.
    4. Confirm that the master warning light is operating normally.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  15

  15. CHECK STEERING WHEEL OPERATION 
    1. Start the engine.
    2. Perform the steering angle sensor initialization.

      Refer to INITIALIZATION [09/2015 - ] 

    3. Turn the steering wheel from lock to lock and check that it rotates approximately 2.7 turns.
    4. Drive the vehicle and confirm that the steering wheel is centered.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    END 

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