VARIABLE GEAR RATIO STEERING SYSTEM FREEZE FRAME DATA
Tech Tips
The VGRS system stores data when a trouble code is set and can be viewed using the intelligent tester.
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FREEZE FRAME DATA OF STEERING CONTROL ECU
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Connect the intelligent tester to the DLC3.
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Turn the engine switch on (IG) and turn the intelligent tester on.
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Select "Freeze Frame Data" from the display on the tester.
Tester Display Measurement Item/Range Normal Condition Diagnostic Note Vehicle Speed (Vsc ECU) Vehicle speed (Skid control ECU)/
Min.: 0 km/h, Max.: 255 km/h
Actual vehicle speed (Speed indicated on speedometer) - Engine Revolution (Rpm) Engine revolution (rpm)/
Below 300 or 300 or higher
Engine is stopped: Below 300 rpm
Engine is running: 300 rpm or higher
- Mtr Power Source Cur. Motor power source actual current/
Min.: 0 A, Max.: 127.5 A
Steering wheel is not turned: Below 1 A
Steering wheel is turned: 1 A or higher
- PIG-Power Source Volt PIG power source voltage/
Min.: 0 V, Max.: 25.5 V
Engine switch on (IG) (Engine stopped): 9 to 16 V
Engine switch off: 0 V
- IG-Power Source Volt IG power source voltage/
Min.: 0 V, Max.: 25.5 V
Engine switch on (IG) (Engine stopped): 9 to 16 V
Engine switch off: 0 V
- Lock Motor Output Volt Lock motor output voltage/
Min.: 0 V, Max.: 25.5 V
Engine switch on (IG) (Engine stopped): 9 to 16 V
Engine switch off: 0 V
- Command Value Duty Command value DUTY for PVM control/
Min.: 0%, Max.: 100%
VGRS system operating: 0 to 100%
VGRS system not operating: 0%
- Actuator Lock Duty Val Command value DUTY for actuator lock control/
Min.: 0%, Max.: 100%
Engine switch on (IG): Below 10% - Resolver Offset(SIN) Resolver offset (SIN)/
Min.: 0, V Max.: 25.5 V
Steering wheel is turned: 0 to 16 V
Steering wheel is not turned: 0 V
- Resolver Offset(COS) Resolver offset (COS)/
Min.: 0, V Max.: 25.5 V
Steering wheel is turned: 0 to 16 V
Steering wheel is not turned: 0 V
- Motor Current U Motor current U/
Min.: -63 A, Max.: 64.5 A
Steering wheel is turned: 0 to 64.5 A
Steering wheel is not turned: 0 A
- Motor Current V Motor current V/
Min.: -63 A, Max.: 64.5 A
Steering wheel is turned: 0 to 64.5 A
Steering wheel is not turned: 0 A
- Motor Current W Motor current W/
Min.: -63 A, Max.: 64.5 A
Steering wheel is turned: 0 to 64.5 A
Steering wheel is not turned: 0 A
- Motor Voltage Motor voltage/
Min.: 0 V, Max.: 51
VGRS system operating: 9 to 16 V
VGRS system not operating: 0 V
- Steering Pos 1 Steering position/
Min.: -2047 deg., Max.: 2048.94 deg.
Steering wheel is turned to right: Display value changes in negative direction
Steering wheel is turned to left: Display value changes in positive direction
- Actuator Position Actuator position/
Min.: -2047 deg., Max.: 2048.94 deg.
Steering wheel is turned: -2047 to 2048.94 deg. - Steering Angle Velocity Steering angle velocity/
Min.: -2047 deg./s, Max.: 2048.94 deg./s
Steering wheel is turned to right: Display value changes in negative direction
Steering wheel is turned to left: Display value changes in positive direction
- Actuator Target Angle 1 Actuator target angle 1/
Min.: -2047 deg., Max.: 2048.94 deg.
Steering wheel is turned: -2047 to 2048.94 deg. - Actuator Target Angle 2 Actuator target angle 2/
Min.: -2047 deg., Max.: 2048.94 deg.
Steering wheel is turned: -2047 to 2048.94 deg. - Actuator ReVolution Spd Actuator revolution speed/
Min.: -2047 deg./s, Max.: 2048.94 deg./s
Steering wheel is turned to right: Display value changes in negative direction
Steering wheel is turned to left: Display value changes in positive direction
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