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Home >> Infiniti >> 2013 >> M56 x >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System (With 4WAS) >> System Description >> Diagnosis System (4WAS Front Control Unit) >> CONSULT Function >> Data Monitor
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Data Monitor

NOTE: The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.
Monitor item (Unit) Remarks
4WAS STR ANG [deg] The steering angle sensor signal received from 4WAS main control unit via 4WAS communication line (1) is indicated.
VEHICLE SPEED [km/h] or [mph] The vehicle speed signal received from 4WAS main control unit via 4WAS communication line (1) is indicated.
MOTOR CURRENT [A] 4WAS front motor power supply current is indicated. (4WAS front control unit main power supply)
MTR CRNT ESTM [A] The value, which 4WAS front control unit presumes 4WAS front motor power supply current, is indicated. (4WAS front control unit main power supply)
ACTR ROTA ANG [deg] 4WAS front actuator increased/decreased angle is indicated.
LG VOLT [V] 4WAS front lock solenoid valve voltage is indicated.
THERM TEMP [°C (°F)] 4WAS front control unit internal temperature is indicated.
MOTOR VOLT [V] 4WAS front motor power supply voltage is indicated. (4WAS front control unit main power supply)
IGN VOLT [V] 4WAS front control unit power supply voltage is indicated. (Ignition switch power supply voltage)
ACTR ANG COMM [deg] The command value of 4WAS front actuator increased/decreased angle received from 4WAS main control unit via 4WAS communication line(1) is indicated.
ACTR ROTA SPD [deg/s] 4WAS front actuator increased/decreased rotation speed is indicated.
DUTY COMMAND [%] 4WAS front actuator command voltage ratio is indicated.
LOCK DTY COMM [%] 4WAS front lock solenoid valve command voltage ratio is indicated.
MTR U VOLT [V] 4WAS front motor U terminal voltage is indicated.
MTR V VOLT [V] 4WAS front motor V terminal voltage is indicated.
MTR W VOLT [V] 4WAS front motor W terminal voltage is indicated.
ACT TEMP ESTM [°C (°F)] The value, which 4WAS front control unit presumes 4WAS front actuator temperature, is indicated.
MTR PHZ CRNT [A] 4WAS front motor U, V, and W terminal current is indicated.
ACTR DEVI ANG [deg] 4WAS front actuator command value and the activation angle difference are indicated.
ACTR ANGL SUB [deg] The final command value, which 4WAS front control unit calculates 4WAS front actuator command value transmitted from 4WAS front control unit through 4WAS communication line(1), is indicated.
STR ANGL SPD [deg/s] It displays an engine speed value obtained from an angle calculated with the 4WAS front control unit, based on steering angle sensor speed signals transmitted from the 4WAS main control unit through the 4WAS communication line(1).
OVRLD JDG FLG [On/Off]
  • 4WAS system (the entire system) heavy load condition is indicated.
  • 4WAS system protection function mode
OVRLD JDG TMG It displays record of 4WAS system (entire 4WAS system) high load. (It displays time of occurrence before turning ignition switch ON.)
ACT PRTCT FLG [On/Off]
  • 4WAS system (4WAS front actuator) over-heated condition is indicated.
  • 4WAS system protection function mode
ACT PRTCT TMG It displays record of 4WAS system (4WAS front actuator) overheating. (It displays time of occurrence before turning ignition switch ON.)
ECU PRTCT FLG [On/Off]
  • 4WAS system (4WAS front control unit) over-heated condition is indicated.
  • 4WAS system protection function mode
ECU PRTCT TMG It displays record of 4WAS system (4WAS front control unit) overheating. (It displays time of occurrence before turning ignition switch ON.)
DRV TMPO FLG [On/Off]
  • 4WAS system (4WAS front motor terminal power supply converter) intermittent error is indicated.
  • 4WAS system protection function mode
DRV TMPO TMG It displays record of 4WAS system (terminal power supply converter of 4WAS front motor) intermittent abnormal. (It displays time of occurrence before turning ignition switch ON.)
MTR PW TMP FL [On/Off]
  • 4WAS system (4WAS front motor terminal power supply front driver) intermittent error is indicated.
  • 4WAS system protection function mode
MTR PW TMP TM It displays record of 4WAS system (terminal voltage of 4WAS front motor) intermittent abnormal. (It displays time of occurrence before turning ignition switch ON.)
LOW VOLT FLG [On/Off]
  • 4WAS system (4WAS front control unit and 4WAS front actuator terminal voltage) voltage-dropped condition.
  • 4WAS system protection function mode
LOW VOLT TMG It displays record of 4WAS system (terminal voltage of 4WAS front control unit and 4WAS front actuator) low voltage. (It displays time of occurrence before turning ignition switch ON.)
HIGH VOLT FLG [On/Off]
  • 4WAS system (4WAS front control unit and 4WAS front actuator terminal voltage) voltage-jumped condition.
  • 4WAS system protection function mode
HIGH VOLT TMG It displays record of 4WAS system (terminal voltage of 4WAS front control unit and 4WAS front actuator) extreme voltage. (It displays time of occurrence before turning ignition switch ON.)
ACTR PATTERN [1/2/3/4/5/6] The status of 4WAS front motor U, V, W terminal output signal pattern is displayed.
MAIN ECU FAIL [On/Off] 4WAS main control unit fail-safe function condition transmitted from 4WAS main control unit through 4WAS communication line (1) is indicated.
M-ECU TMPO FL [On/Off] The protection function mode status of 4WAS main control unit transmitted from 4WAS main control unit through 4WAS communication line(1) is indicated.
LOCK MODE [0/1/2/3/4/5] 4WAS front lock solenoid valve (lock structure) condition is indicated.
  • 0: Lock released condition
  • 1 - 5: Lock condition
NEUTRAL OUT [On/Off] 4WAS front actuator misaligned angle adjustment control condition is indicated.
EX OPERAT [On/Off] 4WAS system enters in the protection function due to the heavy load condition and temporarily abnormal voltage is indicated.
SLOW MODE [ON/OFF] The judgment status of "SLOW MODE" on "ACTIVE TEST" is displayed.
MTR SEN AMPLTD1 It is displayed, but it is not used.
MTR SEN AMPLTD2 It is displayed, but it is not used.
MTR SEN OFFSET1 It is displayed, but it is not used.
MTR SEN OFFSET2 It is displayed, but it is not used.
(1) Communication line between 4WAS front control unit and 4WAS main control unit