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Home >> Mitsubishi >> 2021 >> RVR ES, AWD >> Repair and Diagnosis >> Steering >> Electric Power Steering (EPS) >> Power Steering Diagnosis >> Data List Reference Table

Data List Reference Table

The following items can be read by the scan tool MB991958 from the EPS-ECU input data.

When the system is normal.

Item No. Check item Check condition Normal condition
01 Torque sensor (main)
  • Start the engine.
  • Turn the steering wheel with a vehicle stationary.
 Center position Approximately 2.5 V
Steering wheel turned to right 2.5-4.7 V
Steering wheel turned to left 0.3-2.5 V
02 Torque sensor (sub)
  • Start the engine.
  • Turn the steering wheel with a vehicle stationary.
 Center position Approximately 2.5 V
Steering wheel turned to right 2.5-0.3 V
Steering wheel turned to left 4.7-2.5 V
03 Torque sensor (power supply) Start the engine. 4.7-5.3 V
04 Motor current
  • Start the engine.
  • Turn the steering wheel to the left and right with a vehicle stationary.
 Approximately 82 Arms or less (When the steering wheel is not operated, approximately battery voltage)
05 Motor current (target)
  • Start the engine.
  • Turn the steering wheel to the left and right with a vehicle stationary.
 Approximately 82 Arms or less (When the steering wheel is not operated, approximately battery voltage)
06 Motor current (unlimited target)
  • Start the engine.
  • Turn the steering wheel to the left and right with a vehicle stationary.
 Approximately 82 Arms or less (When the steering wheel is not operated, approximately battery voltage)
07 Engine speed
  • Start the engine.
  • Turn the steering wheel to the left and right with a vehicle stationary.
 Tachometer displayed value and scan tool displayed value agree with each other.
08 Vehicle speed
  • Start the engine.
  • Turn the steering wheel to the left and right with a vehicle stationary.
 Speed meter displayed value and scan tool displayed value agree with each other.
09* Add torque indication status - -
11 IG/Electric motor switch Ignition switch: LOCK (OFF) CAN communication error
Ignition switch: ON ON
17 Motor electric angle  
  • Start the engine.
  • Turn the steering wheel to the left and right with a vehicle stationary.
 0 - 360 deg
Motor angle
18 Motor speed
  • Start the engine.
  • Turn the steering wheel to the left and right with a vehicle stationary.
 Rated value: 1130 rpm (neutral: 0 rpm)
19 Motor voltage Start the engine. 2.1 - 11.7 V
22 Power relay voltage Ignition switch: ON FFh
Start the engine. Battery voltage
23 Ignition voltage Ignition switch: ON Battery voltage
24 Power relay Ignition switch: ON OFF
Start the engine. ON
25 Motor relay Ignition switch: ON OFF
Start the engine. ON
A11 Odometer: rec. A1 Assist limitation does not occur. FFh
Assist limitation occurs. Odometer value
A12 Motor current (target): rec. A1 Assist limitation does not occur. FFh
Assist limitation occurs. Current value: 82 Arms or less
A13 Motor cur. (unltd target): rec. AI Assist limitation does not occur. FFh
Assist limitation occurs. Current value (before the assist limitation)
A14 Motor current: rec. A1 Assist limitation does not occur. FFh
Assist limitation occurs. Actual current value
A15 Vehicle speed: rec. A1 Assist limitation does not occur. FFh
Assist limitation occurs. CAN vehicle speed
A21 Odometer: rec. A2 Assist limitation does not occur. FFh
Assist limitation occurs. Odometer value
A22 Motor current (target):rec. A2 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value: 82 Arms or less
A23 Motor cur. (unltd target):rec. A2 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value (before the assist limitation)
A24 Motor current: rec. A2 Assist limitation does not occur. FFh
    Assist limitation occurs. Actual current value
A25 Vehicle speed: rec. A2 Assist limitation does not occur. FFh
    Assist limitation occurs. CAN vehicle speed
A31 Odometer: rec. A3 Assist limitation does not occur. FFh
    Assist limitation occurs. Odometer value
A32 Motor current (target): rec. A3 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value: 82 Arms or less
A33 Motor cur. (unltd target): rec. A3 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value (before the assist limitation)
A34 Motor current: rec. A3 Assist limitation does not occur. FFh
    Assist limitation occurs. Actual current value
A35 Vehicle speed: rec. A3 Assist limitation does not occur. FFh
    Assist limitation occurs. CAN vehicle speed
A41 Odometer: rec. A4 Assist limitation does not occur. FFh
    Assist limitation occurs. Odometer value
A42 Motor current (target):rec. A4 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value: 82 Arms or less
A43 Motor cur. (unltd target):rec. A4 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value (before the assist limitation)
A44 Motor current: rec. A4 Assist limitation does not occur. FFh
    Assist limitation occurs. Actual current value
A45 Vehicle speed: rec. A4 Assist limitation does not occur. FFh
    Assist limitation occurs. CAN vehicle speed
A51 Odometer: rec. A5 Assist limitation does not occur. FFh
    Assist limitation occurs. Odometer value
A52 Motor current (target):rec. A5 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value: 82 Arms or less
A53 Motor cur. (unltd target):rec. A5 Assist limitation does not occur. FFh
    Assist limitation occurs. Current value (before the assist limitation)
A54 Motor current: rec. A5 Assist limitation does not occur. FFh
    Assist limitation occurs. Actual current value
A55 Vehicle speed: rec. A5 Assist limitation does not occur. FFh
    Assist limitation occurs. CAN vehicle speed
B11 Odometer: rec.V1 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Odometer value when battery voltage down occurs.
B12 Power relay voltage: rec V1 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Relay contact voltage
B13 Vehicle speed: rec.V1 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Vehicle speed when battery voltage down occurs.
B21 Odometer: rec.V2 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Odometer value when battery voltage down occurs.
B22 Power relay voltage: rec V2 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Relay contact voltage
B23 Vehicle speed: rec.V2 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Vehicle speed when battery voltage down occurs.
B31 Odometer: rec.V3 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Odometer value when battery voltage down occurs.
B32 Power relay voltage: rec V3 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Relay contact voltage
B33 Vehicle speed: rec.V3 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Vehicle speed when battery voltage down occurs.
B41 Odometer: rec.V4 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Odometer value when battery voltage down occurs.
B42 Power relay voltage: rec V4 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Relay contact voltage
B43 Vehicle speed: rec.V4 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Vehicle speed when battery voltage down occurs.
B51 Odometer: rec.V5 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Odometer value when battery voltage down occurs.
B52 Power relay voltage: rec V5 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Relay contact voltage
B53 Vehicle speed: rec.V5 Battery voltage down does not occur. FFh
    Battery voltage down occurs. Vehicle speed when battery voltage down occurs.
NOTE: Not used.

When the EPS-ECU shut off electric power steering system operation.

When the diagnosis system stops the EPS-ECU, the M.U.T.-III display data will be unreliable.

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