FixVault

Data Monitor

  1. On [Start] display, select [Diagnosis].
  2. On [Vehicle selection] display, enter vehicle information and select [OK].
  3. On [Main Menu] display, select [Each System].
  4. On [Select System] display, select [Power Steering].
  5. On [Select Function] display, select [Data monitor].
Display Contents to be displayed Range Unit
Torque sensor main output Main torque sensor output voltage is displayed. 0 - 5 V
Torque sensor sub output Sub torque sensor output voltage is displayed. 0 - 5 V
Torque sensor reference voltage Torque sensor standard voltage is displayed. 0 - 5 V
Power current The current flowing to CM is displayed. -128 - 127 A
Vehicle Speed Sensor Vehicle speed is displayed. (CAN communication data) 0 - 255 km/h
Engine Speed Engine speed is displayed. (CAN communication data) 0 - 12750 RPM
CU Sensing Current(q) The current flowing to the motor relay is displayed. -128 - 127 A
3-phase motor current (U-phase) The U phase actual current value as calculated by the microcomputer from the torque sensor input is displayed. -128 - 127 A
3-phase motor current (V-phase) The V phase actual current value as calculated by the microcomputer from the torque sensor input is displayed. -128 - 127 A
Motor angular speed Data from the resolver sensor is displayed. -4096 - 4064 RPM
ECM Temperature The thermistor temperature of the steering control module is displayed. -50 - 205 Celsius
Power Supply Voltage Battery voltage is displayed. 0 - 25.5 V
Torque sensor power supply voltage The power supply voltage output to the torque sensor is displayed. 0 - 10.2 V
IG voltage The power supply voltage supplied to the ECM is displayed. 0 - 25.5 V
CAN bus status Either Active/Passive/Bus Off is displayed. - -
EPS operating condition Either Normal/Assist Stop/Assist Limitation is displayed. - -
CU Target current(q) The motor target current value required for assist is displayed. -128 - 127 A
Steering angle Steering angle of steering wheel is displayed. -640 - 635 deg
Reading assist MAP Either MAP1/MAP2/MAP3 is displayed. - -
Overheating protection intervention history Number of interventions to the overheat protection control (assist limitation for protecting the power steering from overheating)*1 0 - 250 Time
IG Count after ECU Overheat Protection (latest) Number of times the ignition switch is ON from the intervention to overheat protection control (most recent) until now*2 0 - 65000 Time
IG Count after ECU Overheat Protection (Previous) Number of times the ignition switch is ON from the intervention to overheat protection control (previous) until now*2 0 - 65000 Time
IG Count after ECU Overheat Protection (Before Previous) Number of times the ignition switch is ON from the intervention to overheat protection control (before previous) until now*2 0 - 65000 Time
Assist limit history (low voltage, high voltage) Number of intervention to assist limit when the power supply voltage is low or high*1 0 - 250 Time
IG OFF Number while Driving Number of times the ignition switch is turned OFF while driving*1 0 - 250 Time
NOTE:
  • *1 When the value exceeds the maximum of 250 times, 250 is displayed.
  • *2 When there is no intervention of the overheating protection control, "65535" is displayed. If an error such as control unit memory error, etc. occurs, "65534" is displayed.
  • For detailed operation procedures, refer to "Application help".