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Home >> Toyota >> 2017 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering System - Diagnostics - Introduction (Model Code: ZRE172) >> Power Steering System >> Freeze Frame Data [08/2013 - ] >> Freeze Frame Data [08/2013 - ]
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Freeze Frame Data [08/2013 - ]

  1. FREEZE FRAME DATA 
    NOTE:
    • Freeze frame data values will vary depending on the measurement conditions, surroundings, or vehicle conditions. For this reason, there may be a problem even if the values are within specifications.
    • Turn the ignition switch to ON and park the vehicle on level ground. Check the freeze frame data by using the Techstream.
    1. Turn the ignition switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the ignition switch to ON.
    4. Turn the Techstream on.
    5. Check the freeze frame data on the Techstream.

    Chassis > EMPS 

    Tester Display Measurement Item Range Normal Condition Diagnostic Note
    Meter Vehicle Velocity Vehicle speed from speedometer Min.: 0.0 km/h (0.0 MPH)
    Max.: 300.0 km/h (186.4 MPH)
    • 0 km/h (0 MPH): Engine running and vehicle stopped
    • No significant fluctuation: Engine running and vehicle driven at constant speed
    		 -
    Engine Revolution Engine speed Min.: 0 rpm
    Max. 12800 rpm    		 No significant fluctuation Engine running at a constant speed
    Motor Actual Current Current to motor Min.: -327.68 A
    Max.: 327.67 A    		 Value changes in proportion to steering effort
    -The value increases when turning left and decreases when turning right    		 Engine running and steering wheel being turned
    Command Value Current Requested current to motor Min.: -327.68 A
    Max.: 327.67 A    		 Value changes in proportion to steering effort
    -The value increases when turning left and decreases when turning right    		 Engine running and steering wheel being turned
    Thermistor Temperature ECU substrate temperature Min.: -50.0°C (-58.0°F)
    Max.: 150.0°C (302.0°F)    		 -50 to 150°C (-58 to 302°F) -
    PIG Power Supply Power source voltage to active motor Min.: 0.0000 V
    Max.: 20.1531 V    		 9 to 16 V Always
    IG Power Supply IG power source voltage Min.: 0.0000 V
    Max.: 20.1531 V    		 8 to 16 V Ignition switch ON
    Steering Wheel Torque Steering wheel torque Min.: -327.68 Nm
    Max.: 7.00 Nm    		 Value changes in proportion to steering effort Engine running and steering wheel being turned
    Torque Sensor 1 Output Torque sensor 1 output value Min.: 0.0000 V
    Max.: 4.9725 V
    • 2.3 to 2.7 V: Engine running and steering wheel not being turned (without load)
    • 2.5 to 3.8 V: Engine running and steering wheel being turned to right with vehicle stopped
    • 1.2 to 2.5 V: Engine running and steering wheel being turned to left with vehicle stopped
    		 -
    Torque Sensor 2 Output Torque sensor 2 output value Min.: 0.0000 V
    Max.: 4.9725 V
    • 2.3 to 2.7 V: Engine running and steering wheel not being turned (without load)
    • 1.2 to 2.5 V: Engine running and steering wheel being turned to right with vehicle stopped
    • 2.5 to 3.8 V: Engine running and steering wheel being turned to left with vehicle stopped
    		 -
    TRQ1 Zero Point Value Zero point value of torque sensor 1 Min.: 0.0000 V
    Max.: 4.9725 V    		 2.3 to 2.7 V Engine running and steering wheel not being turned (without load)
    TRQ2 Zero Point Value Zero point value of torque sensor 2 Min.: 0.0000 V
    Max.: 4.9725 V    		 2.3 to 2.7 V Engine running and steering wheel not being turned (without load)
    Motor Terminal Volt(+) Motor terminal M1 voltage Min.: 0.0 V
    Max.: 25.5 V
    • 9 to 16 V: Engine running and steering wheel being turned to right
    • 6 to 8 V: Engine running and steering wheel being turned to left
    		 -
    Motor Terminal Volt(-) Motor terminal M2 voltage Min.: 0.0 V
    Max.: 25.5 V
    • 6 to 8 V: Engine running and steering wheel being turned to right
    • 9 to 16 V: Engine running and steering wheel being turned to left
    		 -
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