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DATA LIST REFERENCE TABLE
 
 
The following items of ECU input data can be read using scan tool (M.U.T.-IIISE).
 
 
The system is normal.
Item No.Check itemCheck conditionNormal condition
01FL wheel speed sensorPerform a test run of the vehicle.The speedometer display and the scan tool (M.U.T.-IIISE) display almost agree with each other. (During stop: approximately 0.7km/h)
02FR wheel speed sensor
03RL wheel speed sensor
04RR wheel speed sensor
05Steering angle sensor(+: left turn, -: right turn)Vehicle stopped (the steering wheel is in the neutral position)-6 to 6 deg
RunningNearly the same as the steering wheel operation angle <-720 to 720 deg (ASC-ECU normal detection value)>
Nearly the same as the steering wheel operation angle <-850 to 850 deg (Sensor normal value as a single unit)>
06Yaw rate sensor (+: left turn, -: right turn)Vehicle stopped (level)-3.6 to 3.6 deg/s
Running-100 to 100 deg/s
07Master cylinder pressure sensor (+: pressure increase, -: pressure decrease)The brake pedal is depressed.Increases by the amount of the brake pedal depression.
The brake pedal is released.-3 to 3 bar
08Lateral G sensor (+: left turn, -: right turn)Vehicle stopped (level)-0.11 to 0.11 G
Running-1 to 1 G
09G sensor (+: deceleration, -: acceleration)Vehicle stopped (level)-0.04 to 0.04 G
Running-1 to 1 G
10Engine SpeedWhen the accelerator pedal is depressed (engine started)The tachometer display and the scan tool (M.U.T.-IIISE) display almost agree with each other.
11Engine torqueDisplays the engine torque.
12APSDisplays the accelerator pedal opening angle.
13Allow A.S.C. torque requestNot allowed/Allow
14Actual gearWhen the selector lever is operatedDisplays the selector lever position.
15Target gear
16Steering angle sensor offsetThe difference between the neutral position that was input to the ASC-ECU before the steering wheel sensor calibration and the neutral position after the calibration.-10 to 10 deg
17G sensor offsetThe difference between the neutral position that was input to the ASC-ECU before the G and yaw rate sensor calibration and the neutral position after the calibration.-0.1 to 0.1 G
18Yaw rate sensor offsetThe difference between the neutral position that was input to the ASC-ECU before the G and yaw rate sensor calibration and the neutral position after the calibration.-6.0 to 6.0 deg/s
19Master cylinder pressure sensor offsetThe difference between the neutral position that was input to the ASC-ECU before the master cylinder pressure sensor calibration and the neutral position after the calibration.-8 to 8 bar
20Lateral G sensor offsetThe difference between the neutral position that was input to the ASC-ECU before the G and yaw rate sensor calibration and the neutral position after the calibration.-0.15 to 0.15 G
21IG switchIgnition switch: ONON
22Power supply voltageSystem voltage (10 to 18 V ASC operable range)
23Steering angle sensor calibration stateWhen the steering wheel sensor neutral point is learnedCompleted
When the steering wheel sensor neutral point is not learnedNot completed
When the steering wheel sensor is defectiveSAS fail
SAS fail&Not completed
24Vehicle speedPerform a test run of the vehicle.The speedometer display and the scan tool (M.U.T.-IIISE) display almost agree with each other.
25A.S.C./TCL off switchThe ASC OFF switch is pressed.ON
The ASC OFF switch is not operated.OFF
26Brake switch (input)The brake pedal is depressed.ON
The brake pedal is released.OFF
27Power supply voltage (input)System voltage (10 to 18 V ASC operable range)
28IG switch (input)Ignition switch: ONACC2/ACC/ON/Start
29Parking brake switchApply the parking brake.ON
Release the parking brake.OFF
30Driver’s door ajar switchDriver's door is closed.Close
Driver's door is opened.Open
31*2EPB fail stateWhen the electric parking brake fail signal is not received from the electric parking brake ECU.Normal
When the electric parking brake fail signal is received from the electric parking brake ECU.Fail
32Auto hold switchBrake auto hold switch is ON.ON
Brake auto hold switch is OFF.OFF
33Driver's seat beltDriver's seat belt is fastened.Fastened
Driver's seat belt is not fastened.Not fastened
Driver's seat belt is failed.Fail
34A.S.C. dynamic brake failEmergency brake (ASC) is normal.Normal
Emergency brake (ASC) fails.Fail
35Brake switchThe brake pedal is depressed.ON
The brake pedal is released.OFF
37A.S.C./TCL modeWhen the ASC is activatedA.S.C. ON
When the ASC is deactivated by the ASC OFF switch.A.S.C. OFF
When the ASC failsNot available
38Brake pressure sensorThe brake pedal is depressed.ON
The brake pedal is released.OFF
39Auto hold statusBrake auto hold function is set to OFF.OFF
Brake auto hold function is set to standby.Standby
Brake auto hold function fails.Error
Brake auto hold function is activated.Active
Brake auto hold function is activated and fails.Active error
40ESS requestASC-ECU is demanding the ESS operation of ETACS-ECU.ON
ASC-ECU is not demanding the ESS operation of ETACS-ECU.OFF
41Emission test modeEmission test mode: ONON
Emission test mode: OFFOFF
42ACC/FCMWithout ACC/FCM functionNot present
With ACC/FCM functionPresent
43*1ACC system state (ACC/FCM ECU)Activate the ACC.Displays the ACC control status inside the ACC/FCM-ECU
OFF
Standby
Active
Accel override
Temporary fail.
System fail
Auto canceled
44*1ACC target acceleration (MAX)Activate the ACC.Displays the upper limit of ACC target acceleration speed (m/s2)
45*1ACC target acceleration (MIN)Activate the ACC.Displays the lower limit of ACC target acceleration speed (m/s2)
46*1FCM target deceleration (ACC/FCM ECU)Activate the FCM.Displays of FCM target deceleration speed (m/s2)
47*1ACC fail state (ENG ECU)Activate the ACC.Displays the ACC-related failure status inside the ECM which is received from the ECM.
Normal
Fail without DTC
Fail with DTC
48*1ACC system state (ENG ECU)Activate the ACC.Displays the ACC control status inside the ECM which is received from the ECM.
Standby
Active
49*1Vehicle control state (ENG ECU)Operate the cruise control switch.Displays the vehicle control status which is received from the ECM
ALL OFF
Cruise ON
ASL ON
ACC ON
50*1FCM auto brake request (ACC/FCM ECU)Activate the FCM.ON
OFF
51*1FCM brake assist request (ACC/FCM ECU)Activate the FCM.ON
OFF
52*1FCM brake prefill request (ACC/FCM ECU)Activate the FCM.ON
OFF
53Stoplight switch stateThe brake pedal is depressed.ON
The brake pedal is released.OFF
54FCM standstill request (FCM/LDW/AHB ECU)Activate the FCM.ON
OFF
55FCM auto brake request (FCM/LDW/AHB ECU)Activate the FCM.ON
OFF
56FCM brake assist request (FCM/LDW/AHB ECU)Activate the FCM.ON
OFF
57FCM brake prefill request (FCM/LDW/AHB ECU)Activate the FCM.ON
OFF
58FCM target deceleration (FCM/LDW/AHB ECU)Activate the FCM.Displays of FCM target deceleration speed (m/s2)
59*1ACC system state (A.S.C. ECU)Activate the ACC.Displays the ACC control status inside the ASC-ECU
OFF
Standby
Active
Accel override
Temporary fail.
System fail
60*1ACC target engine torqueActivate the ACC.Displays the ACC target engine torque. (Nm)
61*1ACC target primary speedActivate the ACC.Displays the ACC target primary speed. (r/min)
62*1Auto brake active stateActivate the FCM.Displays the automatic brake operation status inside the ASC-ECU
Not active
ACC braking
FCM prebraking
FCM braking
63*1ACC fail state (A.S.C. ECU)Activate the ACC.Displays the ACC-related failure status inside the ASC-ECU
Normal
Fail without DTC
Fail with DTC
64*1Cruise control off signalThe ACC OFF signal is sentON
Other than aboveOFF
65*1Accel/Brake override stateThe accelerator or the brake pedal is not depressed during the ACC controlNot active
The accelerator pedal is depressed during the ACC controlAccel override
The brake pedal is depressed during the ACC controlBrake override
66FCM ON/OFF switchFCM and Ultrasonic misacceleration Mitigation System ON/OFF switch is ON.ON
FCM and Ultrasonic misacceleration Mitigation System ON/OFF switch is OFF.OFF
67FCM fail state (A.S.C. ECU)FCM function (FCM/LDW/AHB-ECU) is normal.Normal
FCM function (FCM/LDW/AHB-ECU) fails.Fail
68FCM engine brake request (FCM/LDW/AHB ECU)Activate the FCM.ON
OFF
69*1ACC hold state (ACC/FCM ECU)Activate the ACC.Displays the ACC hold status inside the ACC/FCM-ECU
OFF
Standstill
Hold
Hold (ACC ready)
70*1FCM engine brake request (ACC/FCM ECU)Activate the FCM.ON
OFF
71*1ACC hold state (A.S.C. ECU)Activate the ACC.Displays the ACC hold status inside the ASC-ECU
OFF
Standstill
Hold
Hold (ACC ready)
72*1ACC standstill state (A.S.C. ECU)Activate the ACC.ON
OFF
State 2
State 3
73FCM/LDW/AHBVehicles without FCM function.Not present
Vehicles with FCM function.Present
note
  • While ASC-ECU is disabled by the diagnostic function, the scan tool (M.U.T.-IIISE) displayed data is different from the actual measurement.
  • *1: Vehicles with ACC/FCM.
  • *2: Vehicles with electric parking brake.