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Home >> Infiniti >> 2013 >> M37 Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System (With 4WAS) >> System Description >> Diagnosis System (4WAS Front Control Unit) >> CONSULT Function >> Freeze Frame Data (FFD)
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Freeze Frame Data (FFD)

The following vehicle status is recorded when DTC is detected and is displayed on CONSULT.

Freeze Frame Data Item Description
4WAS STR ANG The steering angle sensor signal received from 4WAS main control unit via 4WAS communication line (1) is indicated when DTC is detected.
VEHICLE SPEED The vehicle speed signal received from 4WAS main control unit via 4WAS communication line (1) is indicated when DTC is detected.
MOTOR CURRENT 4WAS front motor power supply current is indicated when DTC is detected when DTC is detected. (4WAS front control unit main power supply)
MTR CRNT ESTM The value, which 4WAS front control unit presumes 4WAS front motor power supply current, is indicated when DTC is detected. (4WAS front control unit main power supply)
ACTR ROTA ANG 4WAS front actuator increased/decreased angle is indicated when DTC is detected.
LG VOLT 4WAS front lock solenoid valve voltage is indicated when DTC is detected.
THERM TEMP 4WAS front control unit internal temperature is indicated when DTC is detected.
MOTOR VOLT 4WAS front motor power supply voltage is indicated when DTC is detected. (4WAS front control unit main power supply)
IGN VOLT 4WAS front control unit power supply voltage is indicated when DTC is detected. (Ignition switch power supply voltage)
ACTR ANG COMM The command value of 4WAS front actuator increased/decreased angle received from 4WAS main control unit via 4WAS communication line(1) is indicated when DTC is detected.
ACTR ROTA SPD 4WAS front actuator increased/decreased rotation speed is indicated when DTC is detected.
DUTY COMMAND 4WAS front actuator command voltage ratio is indicated when DTC is detected.
LOCK DTY COMM 4WAS front lock solenoid valve command voltage ratio is indicated when DTC is detected.
MTR U VOLT 4WAS front motor U terminal voltage is indicated when DTC is detected.
MTR V VOLT 4WAS front motor V terminal voltage is indicated when DTC is detected.
MTR W VOLT 4WAS front motor W terminal voltage is indicated when DTC is detected.
ACT TEMP ESTM The value, which 4WAS front control unit presumes 4WAS front actuator temperature, is indicated when DTC is detected.
MTR PHZ CRNT 4WAS front motor U, V, and W terminal current is indicated when DTC is detected.
ACTR DEVI ANG 4WAS front actuator command value and the activation angle difference are indicated when DTC is detected.
ACTR ANGL SUB 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 when DTC is detected.
STR ANGL SPD 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) when DTC is detected.
OVRLD JDG FLG 4WAS system (the entire system) heavy load condition is indicated when DTC is detected.
OVRLD JDG TMG It displays record of 4WAS system (entire 4WAS system) high load when DTC is detected. (It displays time of occurrence before turning ignition switch ON.)
ACT PRTCT FLG 4WAS system (4WAS front actuator) over-heated condition is indicated when DTC is detected.
ACT PRTCT TMG It displays record of 4WAS system (4WAS front actuator) overheating when DTC is detected. (It displays time of occurrence before turning ignition switch ON.)
ECU PRTCT FLG 4WAS system (4WAS front control unit) over-heated condition is indicated when DTC is detected.
ECU PRTCT TMG It displays record of 4WAS system (4WAS front control unit) overheating when DTC is detected. (It displays time of occurrence before turning ignition switch ON.)
DRV TMPO FLG 4WAS system (4WAS front motor terminal power supply converter) intermittent error is indicated when DTC is detected.
DRV TMPO TMG It displays record of 4WAS system (terminal power supply converter of 4WAS front motor) intermittent abnormal when DTC is detected. (It displays time of occurrence before turning ignition switch ON.)
MTR PW TMP FL 4WAS system (4WAS front motor terminal power supply front driver) intermittent error is indicated when DTC is detected.
MTR PW TMP TM It displays record of 4WAS system (terminal voltage of 4WAS front motor) intermittent abnormal when DTC is detected. (It displays time of occurrence before turning ignition switch ON.)
LOW VOLT FLG 4WAS system (4WAS front control unit and 4WAS front actuator terminal voltage) voltage-dropped condition when DTC is detected.
LOW VOLT TMG It displays record of 4WAS system (terminal voltage of 4WAS front control unit and 4WAS front actuator) low voltage when DTC is detected. (It displays time of occurrence before turning ignition switch ON.)
HIGH VOLT FLG 4WAS system (4WAS front control unit and 4WAS front actuator terminal voltage) voltage-jumped condition when DTC is detected.
HIGH VOLT TMG It displays record of 4WAS system (terminal voltage of 4WAS front control unit and 4WAS front actuator) extreme voltage when DTC is detected. (It displays time of occurrence before turning ignition switch ON.)
ACTR PATTERN The status of 4WAS front motor U, V, W terminal output signal pattern is displayed when DTC is detected.
MAIN ECU FAIL 4WAS main control unit fail-safe function condition transmitted from 4WAS main control unit through 4WAS communication line (1) is indicated when DTC is detected.
M-ECU TMPO FL] The protection function mode status of 4WAS main control unit transmitted from 4WAS main control unit through 4WAS communication line(1) is indicated when DTC is detected.
LOCK MODE 4WAS front lock solenoid valve (lock structure) condition is indicated when DTC is detected.
  • 0: Lock released condition
  • 1 - 5: Lock condition
NEUTRAL OUT 4WAS front actuator misaligned angle adjustment control condition is indicated when DTC is detected.
EX OPERAT 4WAS system enters in the protection function due to the heavy load condition and temporarily abnormal voltage is indicated when DTC is detected.
(1) Communication line between 4WAS front control unit and 4WAS main control unit