DYNAMIC REAR STEERING SYSTEM FREEZE FRAME DATA

Tech Tips

The dynamic rear steering system stores data when a trouble code is stored which can be viewed using the GTS.


  1. FREEZE FRAME DATA OF STEERING CONTROL ECU


    1. Turn the power switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the power switch on (IG).

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / DRS / Trouble Codes.

    6. According to the display on the GTS, select the trouble code data display with Freeze Frame Data.

      DRS
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Rear Wheel Angle(Motor Resolver)

      Rear wheel angle (motor resolver)/

      Min.: -8.00 deg

      Max.: 7.99 deg

      -2 to 2 deg -
      Rear Wheel Angle Changing Speed

      Rear wheel angle changing speed/

      Min.: -8.00 deg/s

      Max.: 7.99 deg/s

      -8.00 to 7.99 deg/s -
      Vehicle Speed

      Vehicle speed/

      Min.: 0.00 km/h (0 mph)

      Max.: 327.67 km/h (203 mph)

      Actual vehicle speed -
      Starting Status

      Starting status/

      Stop or Starting-up

      Not power switch on (READY): Stop

      Power switch on (READY): Starting-up

      -
      IG Power Supply Voltage

      IG power supply voltage/

      Min.: 0.00 V

      Max.: 255.99 V

      11 to 14 V -
      PIG Power Supply Voltage

      PIG power supply voltage/

      Min.: 0.00 V

      Max.: 255.99 V

      11 to 14 V -
      Power Supply Status

      Power supply status/

      Unreceived, Prompt Stop, Cur Pos Stop, N Pos Stop or Normal

      Normal -
      Limited Current

      Limited current/

      Min.: -256.00 A

      Max.: 255.99 A

      -60 to 60 A -
      Voltage before Pressure Rising

      Voltage before pressure rising/

      Min.: 0.00 V

      Max.: 255.99 V

      11 to 14 V -
      Voltage after Pressure Rising

      Voltage after pressure rising/

      Min.: 0.00 V

      Max.: 255.99 V

      11 to 14 V -
      System Heavily-loaded Status

      System heavily-loaded status/

      OFF or ON

      OFF -
      ECU Substrate Temperature

      ECU substrate temperature/

      Min.: -256.00 °C (-428°F)

      Max.: 255.99 °C (492°F)

      -40 to 120 °C (-40 to 248°F) -
      Motor Temperature(ECU Calculated Value)

      Motor temperature (ECU calculated value)/

      Min.: -256.00 °C (-428°F)

      Max.: 255.99 °C (492°F)

      70 to 140 °C (158 to 284°F) -
      ECU Substrate Temperature(ECU Calculated Value)

      ECU substrate temperature (ECU calculated value)/

      Min.: -256.00 °C (-428°F)

      Max.: 255.99 °C (492°F)

      -40 to 120 °C (-40 to 248°F) -
      Ambient Temperature

      Ambient temperature/

      Min.: -40 °C (-40°F)

      Max.: 50°C (122°F)

      Same as ambient temperature -
      System Overheat Status

      System overheat status/

      Normal, Overheat-Weak or Overheat-Strong

      Normal -
      Motor Resolver Electrical Angle

      Motor resolver electrical angle/

      Min.: 0.00 deg

      Max.: 359.99 deg

      0.00 to 359.99 deg -
      Changing Amount of Motor Resolver Electrical Angle

      Changing amount of motor resolver electrical angle/

      Min.: -180.00 deg

      Max.: 179.99 deg

      -30 to 30 deg -
      Motor Resolver SIN Phase Shaped Width

      Motor resolver SIN phase amplitude/

      Min.: -5.00 V

      Max.: 4.99 V

      -3.5 to 3.5 V -
      Motor Resolver SIN Phase Offset

      Motor resolver SIN phase offset/

      Min.: 0.00 V

      Max.: 19.99 V

      8 to 12 V -
      Motor Resolver COS Phase Shaped Width

      Motor resolver COS phase amplitude/

      Min.: -5.00 V

      Max.: 4.99 V

      -3.5 to 3.5 V -
      Motor Resolver COS Phase Offset

      Motor resolver COS phase offset/

      Min.: 0.00 V

      Max.: 19.99 V

      8 to 12 V -
      Motor Resolver Shaped Width Squared Sum

      Sum of squares of motor resolver amplitudes/

      Min.: 0.00 V^2

      Max.: 25.00 V^2

      5.7 to 12.3 V^2 -
      Stroke Resolver Electrical Angle

      Stroke resolver electrical angle/

      Min.: 0.00 deg

      Max.: 359.99 deg

      25 to 325 deg -
      Standard Value of Stroke Resolver Electrical Angle

      Standard value of stroke resolver electrical angle/

      Min.: 0.00 deg

      Max.: 359.99 deg

      170 to 190 deg -
      Stroke Resolver SIN Phase Shaped Width

      Stroke resolver SIN phase amplitude/

      Min.: -5.00 V

      Max.: 4.99 V

      -3.5 to 3.5 V -
      Stroke Resolver SIN Phase Offset

      Stroke resolver SIN phase offset/

      Min.: 0.00 V

      Max.: 19.99 V

      8 to 12 V -
      Stroke Resolver COS Phase Shaped Width

      Stroke resolver COS phase amplitude/

      Min.: -5.00 V

      Max.: 4.99 V

      -3.5 to 3.5 V -
      Stroke Resolver COS Phase Offset

      Stroke resolver COS phase offset/

      Min.: 0.00 V

      Max.: 19.99 V

      8 to 12 V -
      Stroke Resolver Shaped Width Squared Sum

      Sum of squares of stroke resolver amplitudes/

      Min.: 0.00 V^2

      Max.: 25.00 V^2

      5.7 to 12.3 V^2 -
      Motor Resolver Neutral Compensation Value

      Motor resolver neutral compensation value/

      Min.: 0.00 deg

      Max.: 359.99 deg

      0 to 359.99 deg -
      Rear Wheel Angle Taking Status on Start-up

      Rear wheel angle taking status on start-up/

      Unknown, Motor Resolver or Stroke Resolver

      Motor Resolver -
      Rear Wheel Target Angle(L-CAN)

      Rear wheel target angle (L-CAN)/

      Min.: -8.00 deg

      Max.: 7.99 deg

      -2 to 2 deg -
      Rear Wheel Target Angle(G-CAN)

      Rear wheel target angle (G-CAN)/

      Min.: -8.00 deg

      Max.: 7.99 deg

      -2 to 2 deg -
      Rear Wheel Angle(Stroke Sensor)

      Rear wheel angle (stroke sensor)/

      Min.: -8.00 deg

      Max.: 7.99 deg

      -2 to 2 deg -
      Motor U Phase Voltage

      Motor U phase voltage/

      Min.: 0.00 V

      Max.: 255.99 V

      0 to 34 V -
      Motor V Phase Voltage

      Motor V phase voltage/

      Min.: 0.00 V

      Max.: 255.99 V

      0 to 34 V -
      Motor W Phase Voltage

      Motor W phase voltage/

      Min.: 0.00 V

      Max.: 255.99 V

      0 to 34 V -
      Motor U Phase Current

      Motor U phase current/

      Min.: -256.00 A

      Max.: 255.99 A

      -57 to 57 A -
      Motor V Phase Current

      Motor V phase current/

      Min.: -256.00 A

      Max.: 255.99 A

      -57 to 57 A -
      Motor W Phase Current

      Motor W phase current/

      Min.: -256.00 A

      Max.: 255.99 A

      -57 to 57 A -
      Motor U Phase Duty

      Motor U phase duty/

      Min.: 0.00 %

      Max.: 100.00 %

      9 to 91 % -
      Motor V Phase Duty

      Motor V phase duty/

      Min.: 0.00 %

      Max.: 100.00 %

      9 to 91 % -
      Motor W Phase Duty

      Motor W phase duty/

      Min.: 0.00 %

      Max.: 100.00 %

      9 to 91 % -
      Motor q Axis Target Current

      Motor q axis target current/

      Min.: -256.00 A

      Max.: 255.99 A

      -60 to 60 A -
      Motor q Axis Current

      Motor q axis current/

      Min.: -256.00 A

      Max.: 255.99 A

      -70 to 70 A -
      Motor d Axis Current

      Motor d axis current/

      Min.: -256.00 A

      Max.: 255.99 A

      -10 to 10 A -
      Motor q Axis Target Voltage

      Motor q axis target voltage/

      Min.: -32.00 V

      Max.: 31.99 V

      -6 to 6 V -
      Motor Rotation Speed

      Motor rotation speed/

      Min.: -32768 deg/s

      Max.: 32767 deg/s

      -32768 to 32767 deg/s -