POWER STEERING SYSTEM FREEZE FRAME DATA


  1. FREEZE FRAME DATA


    1. Turn the ignition switch off.

    2. Connect the intelligent tester to the DLC3.

    3. Turn the ignition switch to ON.

    4. Turn the intelligent tester on.

    5. Enter the following menus: Chassis / EMPS / DTC.

    6. According to the display on the tester, select the freeze frame data.

      EMPS
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Meter Vehicle Velocity

      Vehicle speed from meter/

      Min.: 0.0 km/h (0.0 mph)

      Max.: 300.0 km/h (186.4 mph)

      0 km/h (0 mph) The vehicle is stopped
      No significant fluctuation The vehicle is driven at a constant speed
      Motor Actual Current

      Amount of current to motor/

      Min.: -327.68 A

      Max.: 327.67 A

      Value changes in proportion to steering effort The engine is running and the steering wheel is being turned
      Command Value Current

      Demanded amount of current to motor/

      Min.: -327.68 A

      Max.: 327.67 A

      Value changes in proportion to steering effort The engine is running and the steering wheel is being turned
      Thermistor Temperature

      ECU substrate temperature/

      Min.: -50.0°C (-58.0°F)

      Max.: 150.0°C (302.0°F)

      - Ignition switch is ON
      PIG Power Supply

      Power source voltage to active motor/

      Min.: 0.0000 V

      Max.: 20.1531 V

      11 to 14 V The engine is running and power steering is operating
      IG Power Supply

      ECU power source voltage/

      Min.: 0.0000 V

      Max.: 20.1531 V

      11 to 14 V Ignition switch is ON
      Torque Sensor 1 Output

      Torque sensor 1 output voltage/

      Min.: 0.0000 V

      Max.: 4.9725 V

      2.3 to 2.7 V The engine is running and the steering wheel is not turned (without load)
      2.5 to 3.8 V The engine is running and the steering wheel is turned to the right when the vehicle is stopped
      1.2 to 2.5 V The engine is running and the steering wheel is turned to the left when the vehicle is stopped
      Torque Sensor 2 Output

      Torque sensor 2 output voltage/

      Min.: 0.0000 V

      Max.: 4.9725 V

      2.3 to 2.7 V The engine is running and the steering wheel is not turned (without load)
      1.2 to 2.5 V The engine is running and the steering wheel is turned to the right when the vehicle is stopped
      2.5 to 3.8 V The engine is running and the steering wheel is turned to the left when the vehicle is stopped
      TRQ1 Zero Point Value

      Torque sensor 1 zero point voltage/

      Min.: 0.0000 V

      Max.: 4.9725 V

      Values differ depending on vehicle The engine is running and the steering wheel is not being turned
      TRQ2 Zero Point Value

      Torque sensor 2 zero point voltage/

      Min.: 0.0000 V

      Max.: 4.9725 V

      Values differ depending on vehicle The engine is running and the steering wheel is not being turned
      Motor Terminal Volt (+)

      Motor terminal M1 voltage/

      Min.: 0.0 V

      Max.: 25.5 V

      11 to 14 V Turn the ignition switch ON and steering wheel turned to right
      6 to 11 V Turn the ignition switch ON and steering wheel turned to left
      Motor Terminal Volt (-)

      Motor terminal M2 voltage/

      Min.: 0.0 V

      Max.: 25.5 V

      6 to 11 V Turn the ignition switch to ON and steering wheel turned to right
      11 to 14 V Turn the ignition switch to ON and steering wheel turned to left
      Engine Revolution

      Engine revolution:

      Min: 0 rpm

      Max: 12800 rpm

      Engine running at constant speed No significant fluctuation