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Values On The Diagnosis Tool

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
EPS CONTROL UNIT REFERENCE CHART

Monitor item Condition Value/Status
BATTERY VOLT Power switch: ON 9 - 18.2 V
STEERING ASSIST REQUEST Vehicle state: Except READY Off
Vehicle state: READY On
TORQUE SENSOR Vehicle state: READY Steering wheel: Not steering (There is no steering force) Approx. 0 Nm
Steering wheel: Right turn Positive value (Nm)
Steering wheel: Left turn Negative value (Nm)
MOTOR CURRENT Vehicle state: READY Steering wheel: Not steering (There is no steering force) Approx. 0 A
Steering wheel: Right or left turn Displays consumption current of EPS motor (A)(1)
MOTOR SIG Vehicle state: READY Steering wheel: Not steering (There is no steering force) Approx. 0 A
Steering wheel: Right turn Positive value (A)
Steering wheel: Left turn Negative value (A)
ASSIST TORQUE Vehicle state: READY Steering wheel: Not steering (There is no steering force) Approx. 0 Nm
Steering wheel: Right or left turn Displays assist torque of EPS motor (Nm)
C/U TEMP Power switch: ON or Vehicle state: READY Displays temperature of inside of EPS control unit (°C)
ASSIST LEVEL Vehicle state: READY 100 % (2)
VEHICLE SPEED Vehicle stopped 0 km/h (0 mph)
While driving Approximately equal to the indication on speedometer(3) (inside of ±10%)
WARNING LAMP EPS warning lamp: ON On
EPS warning lamp: OFF Off
(1) Almost in accordance with the value of "MOTOR SIG". It is not a malfunction though these values are not accorded when steering quickly.
(2) Normally displays 100%. In case of an excessive stationary steering, the assist curvature gradually falls. However, it returns to 100% when left standing.
(3) It is not a malfunction, though it might not be corresponding just after power switch in turned ON.