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DYNAMIC REAR STEERING SYSTEM FREEZE FRAME DATA

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Tip:

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


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  1. FREEZE FRAME DATA OF DRS ECU (REAR 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.


      1. Chassis > DRS > Trouble Codes


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


      1. Chassis > 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

        		 -1.0 to 1.0 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 If the result is not as specified, the vehicle power supply voltage may be low
        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 If the result is not as specified, the applied load to the DRS system may be high
        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 If the result is not as specified, the DRS system may be malfunctioning
        Rear Wheel Target Angle(L-CAN) Rear wheel target angle (L-CAN)

        Min.: -8.00 deg

        Max.: 7.99 deg

        		 -1.0 to 1.0 deg -
        Rear Wheel Target Angle(G-CAN) Rear wheel target angle (G-CAN)

        Min.: -8.00 deg

        Max.: 7.99 deg

        		 -1.0 to 1.0 deg -
        Rear Wheel Angle(Stroke Sensor) Rear wheel angle (stroke sensor)

        Min.: -8.00 deg

        Max.: 7.99 deg

        		 -1.0 to 1.0 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 -