LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2013 >> M37 x >> Repair and Diagnosis >> Steering >> Manual Steering >> Steering Control System (With 4WAS) >> Ecu Diagnosis Information >> 4WAS Main Control Unit >> Reference Value >> Values On The Diagnosis Tool
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Values On The Diagnosis Tool

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 Condition Value/Status
VHCL SPEED SE Vehicle stopped 0 km/h (0 MPH)
Start the engine. Wait a minute. Drive the vehicle.
CAUTION: Check air pressure of tire under standard conditions.
Approximately equal to the indication on speedometer (Inside of ±10%)
STEERING ANG Steering wheel turned right Approx. 0 - R550°
Straight-ahead Approx. 0°
Steering wheel turned left Approx. 0 - L550°
ENGINE SPEED Engine stopped 0 rpm
Engine running (Engine speed: 400 rpm or more) Approximately equal to the indication on tachometer
STR ANGL SPD The steering wheel is not steered. 0 deg/s
The steering wheel is steering. 1 - 3, 000 deg/s
POWER STR SOL Vehicle speed: 0 km/h (0 MPH) (Engine is running) Approx. 1.10 A
Vehicle speed: 100 km/h (62 MPH) Approx. 0.42 A
RR ST ANG-MAI 4WAS rear actuator turns right completely Approx. 4.4 V
4WAS rear actuator is neutral Approx. 2.4 V
4WAS rear actuator turns left completely Approx. 0.4 V
RR ST ANG-SUB 4WAS rear actuator turns right completely Approx. 4.4 V
4WAS rear actuator is neutral Approx. 2.6 V
4WAS rear actuator turns left completely Approx. 0.4 V
RR ST ANG-VOL Ignition switch: ON Approx. 5 V
C/U VOLTAGE Ignition switch: ON Battery voltage
MOTOR VOLTAGE Ignition switch: ON Battery voltage
MOTOR CURRENT 4WAS rear motor running 0 - 20 A
MTR CRNT OPE 4WAS rear actuator neutral condition and vehicle straight-ahead position. Approx. (-2) - (+2) A
4WAS rear motor running Approx. (-20) - (+20) A
RR ANGLE OPE 4WAS rear actuator turned right Approx. 0 - 1 deg
4WAS rear actuator is neutral Approx. 0 deg
4WAS rear actuator turned left Approx. 0 - (-1) deg
FR ANGLE OPE Steering wheel turned to the right (with vehicle stopped). Approx. 0 - R60°
Straight-ahead Approx. 0°
Steering wheel turned to the left (with vehicle stopped). Approx. 0 - L60°
STOP LAMP SW Brake pedal: Depressed On
Brake pedal: Released Off
HICAS RELAY Ignition switch: ON On
FAIL SAFE Fail-safe condition On
Normal Off
WARNING LAMP 4WAS warning lamp: ON On
4WAS warning lamp: OFF Off
FRNT ECU FAIL 4WAS front control unit fail-safe mode On
Normal Off
FRNT ECU EX 4WAS front control unit enters in the protection function mode On
Normal Off
DRIVE MODE STATS Drive mode select switch: STANDARD ==> SPORT Steering wheel: Neutral STD ==> SP
Steering wheel: Except neutral STD
Drive mode select switch: SPORT ==> STANDARD Steering wheel: Neutral SP ==> STD
Steering wheel: Except neutral SP