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Home >> Infiniti >> 2012 >> M37 x >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System (With 4WAS) >> System Description >> Diagnosis System (4WAS Main 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
VHCL SPEED SE The vehicle speed signal from ABS actuator and electric unit (control unit) is indicated with CAN communication line when DTC is detected.
STEERING ANG The steering angle sensor signal from the steering angle sensor is indicated with CAN communication line when DTC is detected.
ENGINE SPEED The engine speed signal from ECM is indicated with CAN communication line when DTC is detected.
STR ANGL SPD The steering angle speed signal from the steering angle sensor is indicated with CAN communication line when DTC is detected.
POWER STR SOL The current value of the power steering solenoid valve is indicated when DTC is detected.
RR ST ANG-MAI The voltage of the rear wheel steering angle sensor (main) is indicated when DTC is detected.
RR ST ANG-SUB The voltage of the rear wheel steering angle sensor (sub) is indicated when DTC is detected.
RR ST ANG-VOL The power supply voltage of the rear wheel steering angle sensor is indicated when DTC is detected.
C/U VOLTAGE The power supply voltage value of 4WAS main control unit is indicated when DTC is detected.
MOTOR VOLTAGE The voltage value of 4WAS rear motor is indicated when DTC is detected.
MOTOR CURRENT The current value of 4WAS rear motor is indicated when DTC is detected.
MTR CRNT OPE The current value input to 4WAS rear motor is indicated when DTC is detected.
RR ANGLE OPE The angle command value is indicated for activating 4WAS rear motor when DTC is detected.
FR ANGLE OPE The front wheel angle value transmitted from 4WAS main control unit to 4WAS front control unit is indicated when DTC is detected.
STOP LAMP SW The stop lamp switch status is indicated when DTC is detected.
HICAS RELAY 4WAS rear motor relay condition is indicated when DTC is detected.
FAIL SAFE The fail-safe mode status of 4WAS main control unit is indicated when DTC is detected.
WARNING LAMP 4WAS warning lamp ON/OFF condition is indicated when DTC is detected.
FRNT ECU FAIL The fail-safe mode status of 4WAS main control unit transmitted from 4WAS front control unit via 4WAS communication line(1) is indicated when DTC is detected.
FRNT ECU EX The protection function mode status of 4WAS front control unit transmitted from 4WAS front control unit via 4WAS communication line(1) is indicated when DTC is detected.
DRIVE MODE STATS The status of 4WAS mode when DTC is detected.
(1) Communication line between 4WAS front control unit and 4WAS main control unit
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