POWER STEERING SYSTEM FREEZE FRAME DATA
FREEZE FRAME DATA
Turn the ignition switch off.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Chassis / EMPS / Trouble Codes.
According to the display on the tester, select the freeze frame data.
Table 1. 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.
Engine Revolution
Engine speed/
Min.: 0 rpm
Max.: 12800 rpm
No significant fluctuation
The engine is running 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.
Steering Angle Velocity
Steering angle speed/
Min.: -32768 deg/s
Max.: 32767 deg/s
Value changes in proportion to steering effort
The engine is running and the steering wheel is being turned.
Thermistor Temperature
ECU substrate temperature/
Min.: -40.0°C (-40.0°F)
Max.: 150.0°C (302.0°F)
-
The 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
The ignition switch is ON.
Steering Wheel Torque
Steering wheel torque/
Min.: -7.00 Nm
Max.: 7.00 Nm
Value changes in proportion to steering effort
The engine is running and the steering wheel is being turned.
Motor Rotation Angle
Motor rotation angle/
Min.: 0.000 deg
Max.: 360.000 deg
Motor rotation angle value changes from 0 to 360°
The engine is running and the steering wheel is being turned.
Motor Voltage
Motor power supply voltage/
Min.: 0.000 V
Max.: 98.000 V
11 to 14 V
The engine is running and power steering is operating.
Motor Terminal Volt (U)
Motor terminal voltage (U phase)/
Min.: 0.000 V
Max.: 98.000 V
Voltage between 1 V and approximately 1 V below battery voltage displayed
The engine is running and the steering wheel is being turned.
Motor Terminal Volt (V)
Motor terminal voltage (V phase)/
Min.: 0.000 V
Max.: 98.000 V
Voltage between 1 V and approximately 1 V below battery voltage displayed
The engine is running and the steering wheel is being turned.
Motor Terminal Volt (W)
Motor terminal voltage (W phase)/
Min.: 0.000 V
Max.: 98.000 V
Voltage between 1 V and approximately 1 V below battery voltage displayed
The engine is running and the steering wheel is being turned.
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 4.04 V
The engine is running and the steering wheel is turned to the right when the vehicle is stopped.
0.95 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).
0.95 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 4.04 V
The engine is running and the steering wheel is turned to the left when the vehicle is stopped.
IG ON/OFF Times
Number of times ignition switch turned to ON/off after fail detection/
Min.: 0 times
Max.: 65535 times
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This value indicates the number of times the ignition switch is turned to ON and off after the latest DTC detection.
Battery Voltage
Battery voltage/
Min.: 0.0 V
Max.: 25.5 V
11 to 14 V
The ignition switch is ON.
PS Assist Signal
Power steering assist signal/
ON or OFF
OFF
The engine is not running.
ON
The engine is running.
Stop and Start Ctrl Mode
Status of the record of stop and start control mode/
IG, Run, Stopreq, Stop or Restart
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