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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System - Direct Adaptive Steering >> Ecu Diagnosis Information >> Steering Angle Sub Control Module >> Reference Value >> Values On The Diagnosis Tool
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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

Display value

OWN ECU SYS STATUS

Judging system starting

BOOT

System is diagnosing

DIAG1 - DIAG10

Processing system shutdown

FIN1 - FIN12

Finish the system control

DOWN1

Wait for shutdown

DOWN2

System is shutdown

DOWN3

System is in fail-safe mode 1

MALF1

System is in fail-safe mode 2

MALF2

System is in fail-safe mode 3

MALF3

Performing initial setting

SETTING

System is in normal control

STD1

STD2

System is in protection mode

STD3

System is synchronizing

SYNC

ST ANG MAIN SYS STATUS

Judging system starting

BOOT

System is diagnosing

DIAG1 - DIAG10

Processing system shutdown

FIN1 - FIN12

Finish the system control

DOWN1

Wait for shutdown

DOWN2

System is shutdown

DOWN3

System is in fail-safe mode 1

MALF1

System is in fail-safe mode 2

MALF2

System is in fail-safe mode 3

MALF3

Performing initial setting

SETTING

System is in normal control

STD1

STD2

System is in protection mode

STD3

System is synchronizing

SYNC

ST ANG SUB SYS STATUS

Judging system starting

BOOT

System is diagnosing

DIAG1 - DIAG10

Processing system shutdown

FIN1 - FIN12

Finish the system control

DOWN1

Wait for shutdown

DOWN2

System is shutdown

DOWN3

System is in fail-safe mode 1

MALF1

System is in fail-safe mode 2

MALF2

System is in fail-safe mode 3

MALF3

Performing initial setting

SETTING

System is in normal control

STD1

STD2

System is in protection mode

STD3

System is synchronizing

SYNC

ST FORCE SYS STATUS

Judging system starting

BOOT

System is diagnosing

DIAG1 - DIAG10

Processing system shutdown

FIN1 - FIN12

Finish the system control

DOWN1

Wait for shutdown

DOWN2

System is shutdown

DOWN3

System is in fail-safe mode 1

MALF1

System is in fail-safe mode 2

MALF2

System is in fail-safe mode 3

MALF3

Performing initial setting

SETTING

System is in normal control

STD1

STD2

System is in protection mode

STD3

System is synchronizing

SYNC

BACK UP CIRCUIT STATUS

Always

0 - 255

CONTROL MODULE CRNT

Always

0 - 255 A

DETAILED CODE 1

This is displayed, but it is not used.

0 - 255

DETAILED CODE 2

This is displayed, but it is not used.

0 - 255

DETAILED CODE 3

This is displayed, but it is not used.

0 - 255

FLEXRAY COMM SYNC STATS

Always

STAT1 - 10

STEERING MODE

Always

CHARA - CHARA I

ST CLUTCH PRTCT STATUS

Always

STAT0 - STAT12, STAT20

ST CLUTCH CON RQEST

Always

STAT0 - STAT5

FLEXRAY COMM DIAG (OWN)

FlexRay communication of steering angle sub control module is normal.

NORMAL

FlexRay communication of steering angle sub control module is being diagnosed.

DIAG

FlexRay communication of steering angle sub control module is malfunction.

MALF

FLEXRAY COMM DIAG (OTH1)

FlexRay communication of steering angle main control module is normal.

NORMAL

FlexRay communication of steering angle main control module is being diagnosed.

DIAG

FlexRay communication of steering angle main control module is malfunction.

MALF

FLEXRAY COMM DIAG (OTH2)

FlexRay communication of steering force control module is normal.

NORMAL

FlexRay communication of steering force control module is being diagnosed.

DIAG

FlexRay communication of steering force control module is malfunction.

MALF

POWER TRAIN STATUS

Power train stops.

STOP

Power train starts.

RUN

IGN SW STATUS (OWN ECU)

Ignition switch: ON

Control module detects ignition voltage.

ON

Control module does not detects ignition voltage.

OFF

IGN SW STATUS (SYSTEM)

Ignition switch: ON

Control module detects ignition voltage.

ON

Control module does not detects ignition voltage.

OFF

STOP/START STATUS

Stop/start system is operating.

ON

Stop/start system is not operating.

OFF

INSTANT VLT DROP DETECT

Instantaneous voltage drop status is not detected.

UNDTCT

Instantaneous voltage drop status is detected.

DETECT

CURB STONE DETECT STATS

The state of hitting curb stone is not detected.

UNDTCT

The state of hitting curb stone is detected.

DETECT

BACK UP CIRCUIT A STATUS

System is abnormal.

STAT1

System is normal.

STAT2

BACK UP CIRCUIT B STATUS

System is abnormal.

STAT1

System is normal.

STAT2

FREE ROLLER MODE

Free roller mode: ON

ON

Free roller mode: OFF

OFF

CHASSIS DYNAMO MODE

Engine running

System is normal mode (Driving is OK)

PERMIT

System is chassis dynamometer mode (Driving is NG)

PROHBT

WRITING STATUS

When system is starting, the required angle information is recorded in control module.

OK

When system is starting, the required angle information is not recorded in control module.

NG

BACK UP SIG 1 VOLT

Ignition switch ON

When steering angle sub control module is normal.

Approx. 0.5 - 4.75 V

BACK UP SIG 2 VOLT

Ignition switch ON

When steering angle sub control module is normal.

Approx. 0.5 - 4.75 V

INVERTER RELAY ACT VOLT

Engine running

Battery voltage

CONT MODULE INSIDE VOLT

Engine running

Battery voltage - Approx. 0.6 V

BATTERY VOLT AGE

Ignition switch ON

Battery voltage

IGN VOLTAGE

Ignition switch ON

Battery voltage

C/M TEMPERATURE

Engine running

Display temperature of inside of steering angle sub control module [ deg.C (deg.F)]

VEHICLE SPEED

Vehicle stopped

0.00 km/h or 0.00 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%)

YAW RATE

Vehicle stopped

Approx. 0 deg/s

Vehicle turning

Approx. 0 -+/-201 deg/s

SIDE G

Vehicle stopped

Approx. 0 m/s^2

Vehicle turning

Approx. 0 -+/-2 m/s^2

ST CLUTCH ACT CURRENT

Engine running

Approx. 0 - 5 A

MOTOR U ACT CURRENT

Engine running

Steering wheel: Not steering (There is no steering force)

Approx. 0 A

Steering wheel: Right turn

Positive vale

(Approx. 0 -70 A)

Steering wheel: Left turn

Negative vale

[Approx. (-70) - (0) A]

MOTOR W ACT CURRENT

Engine running

Steering wheel: Not steering (There is no steering force)

Approx. 0 A

Steering wheel: Right turn

Positive vale

(Approx. 0 - 70 A)

Steering wheel: Left turn

Negative vale

[Approx. (-70) - (0) A]

TORQUE SEN MAIN 1

Engine running

Approx. (-8.5) - 8.5 N.m

TEMPERATURE SENSOR

Ignition switch ON or Engine running

Display temperature of inside of steering angle sub control module [ deg.C deg.F)]

ANGLE SENSOR SIGNAL 1

Engine running

Approx. 1.0 - 3.5 V

ANGLE SENSOR SIGNAL 2

Engine running

Approx. 1.0 - 3.5 V

ANGLE 1

Engine running

Approx. (-4.4) - 4.4 deg

ANGLE 2

Engine running

Steering wheel: Not steering (There is no steering force)

Approx. 0 deg

Steering wheel: Right turn

Positive vale

Steering wheel: Left turn

Negative vale

F/B ANGLE 1

Engine running

Approx. (-20) - 20 deg

F/B ANGLE 2

Engine running

Approx. (-6) - 6 deg

ST ANGLE SENSOR

Engine running

Steering wheel: Not steering (There is no steering force)

Approx. 0 deg

Steering wheel: Right turn

Positive vale

(Approx. 0 - 900 deg)

Steering wheel: Left turn

Negative vale

[Approx. (-900) - 0 deg]

ANGLE DIFFERENCE

Engine running

Approx. 0 - 300 deg

STEERING PINION ANGLE

Engine running

Steering wheel: Not steering (There is no steering force)

Approx. 0 deg

Steering wheel: Right turn

Positive vale

(Approx. 0 - 700 deg)

Steering wheel: Left turn

Negative vale

[Approx. (-700) - 0 deg]

STEERING PINION ANGLE 2

Engine running

Steering wheel: Not steering (There is no steering force)

Approx. 0 deg

Steering wheel: Right turn

Positive vale

(Approx. 0 - 700 deg)

Steering wheel: Left turn

Negative vale

[Approx. (-700) - 0 deg]

ANGLE 3

Engine running

Approx. (-7425) - 7425 deg