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Home >> Infiniti >> 2006 >> Q45 >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System >> With Rear Active Steer >> Trouble Diagnosis >> RAS Control Unit Input/Output Signal Reference Values >> RAS Control Unit Inspection Table >> Specifications with CONSULT-II
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Specifications with CONSULT-II

MONITORED ITEM REFERENCE CHART

Monitor item [Unit] Content Condition Display value
VHCL SPEED SE [km/h] or [mph] Wheel speed Vehicle stopped 0 km/h (0 MPH)
Vehicle running
CAUTION: Check air pressure of tire under standard condition.
Approximately equal to the indication on speedometer (Inside of +/-10%)
STEERING ANG [°] Steering angle detected by steering angle sensor Steering wheel right turned 0° - R756°
Straight-ahead Approx. 0°
Steering wheel left turned 0° - L756°
ENGINE SPEED [rpm] Engine speed Engine stopped 0 rpm
Engine running (Engine speed: 400 rpm or more) Approximately equal to the indication on tachometer
POWER STR SOL [A] Monitored value of current at power steering solenoid valve Vehicle speed: 0 km/h (0 MPH)
(Engine is running)
Approx. 1.10 A
Vehicle speed: 100 km/h (62 MPH) Approx. 0.54 A
RR ST ANG-MAI [V] Rear wheel steering angle (main) sensor output voltage RAS actuator assembly turned full right Approx. 4.4 V
RAS actuator assembly neutral Approx. 2.4 V
RAS actuator assembly turned full left Approx. 0.4 V
RR ST ANG-SUB [V] Rear wheel steering angle (sub) sensor output voltage RAS actuator assembly turned full right Approx. 4.4 V
RAS actuator assembly neutral Approx. 2.4 V
RAS actuator assembly turned full left Approx. 0.4 V
RR ST ANG-VOL [V] Rear wheel steering angle sensor input voltage Ignition switch: ON Approx. 5 V
Ignition switch: OFF 0 V
C/U VOLTAGE [V] Power supply voltage for RAS control unit Ignition switch: ON Battery voltage
Ignition switch: OFF -
MOTOR VOLTAGE [V] Monitored value of voltage at RAS motor Ignition switch: ON Battery voltage
Ignition switch: OFF 0 V
MOTOR CURRENT [A] Monitored value of current at RAS motor During RAS actuator assembly turning Approx. 0 - 20 A
MTR CRNT OPE [A] Current commanded value to RAS motor During RAS actuator assembly turning Approx. -20 - 20 A
RR ANGLE OPE [°] Rear wheel steering angle detected by rear wheel steering angle sensor RAS actuator assembly turned full right Approx. 1°
RAS actuator assembly neutral Approx. 0°
RAS actuator assembly turned full left Approx. -1°
STOP LAMP SW [ON/OFF] Stop lamp condition Brake pedal: Depressed ON
Brake pedal: Released OFF
HICAS RELAY [ON/OFF] RAS motor relay condition Ignition switch: ON ON
Ignition switch: OFF OFF
FAIL SAFE [ON/OFF] Fail-safe condition Fail-safe condition ON
Normal OFF
WARNING LAMP [ON/OFF] RAS warning lamp condition RAS warning lamp: ON ON
RAS warning lamp: OFF OFF