DATA LIST REFERENCE TABLE



The following items can be read by the M.U.T.-III from the FCM-ECU input data.

Item No.
Check item
Check condition
Normal condition
1
ECU power supply voltage
Ignition switch: "ON"
Battery voltage
2
RADAR temperature
Ignition switch: "ON"
Internal temperature in the ECU (-40~+85 °C) is displayed.
3
Number of target
Ignition switch: "ON"
The number of the objects, which the radar recognises in front, is displayed.
note "15" is displayed even when the radar recognises more than 15 objects.
4
Target vehicle existence
Ignition switch: "ON"
A target vehicle is NOT in front of your vehicle.
Not exist
A target vehicle is in front of your vehicle.
Exist
5
Relative speed (Target vehicle)
Ignition switch: "ON" and engine is running
The relative speed against the vehicle (object), which the ECU recognises, is displayed in km/h.
6
Relative distance (Target vehi.)
Ignition switch: "ON" and engine is running
The relative distance against the vehicle (object), which the ECU recognises, is displayed in m.
7
Lateral offset (Target vehicle)
Ignition switch: "ON" and engine is running
-2 to 2 m
8
Curve radius
Ignition switch: "ON" and engine is running
Nearly "0" is displayed when the vehicle is stationary.
9
RADAR emission status

  • Perform a test run of the vehicle.
  • Cruise control: active

The system suppresses the radar emission.
Reduction
Normal
Normal
10
RADAR performance

  • Perform a test run of the vehicle.
  • Cruise control: active

The radar works normally.
Normal
The radar tests its own detection performance.
Under self test
The detection performance is deteriorated due to a contaminated radar.
RADAR Blocked
11
Lateral acceleration
Vehicle stopped (level)
-1.28 to +1.27 m/s2
Running
-1.28 to +1.27 m/s2
12
Longitudinal acceleration
Vehicle stopped (level)
-1.28 to +1.27 m/s2
Running
-1.28 to +1.27 m/s2
13
Vehicle speed
Perform a test run of the vehicle.
Vehicle speed is displayed.
14
Engine revolution
Perform a test run of the vehicle.
Engine speed is displayed.
16
A.S.C. status
Ignition switch: "ON"
ASC: ON
ON, S-AWC ON
ASC: OFF
OFF, S-AWC ON
ASC: Fail
Fail
17
Ignition switch
Ignition switch: "OFF"
OFF
Ignition switch: "ON"
ON
18
ACC switch state
Not used.
19
ACC distance switch state
Not used.
20
FCM switch state
Ignition switch: "ON"
Forward collision mitigation system (FCM) and Ultrasonic misacceleration Mitigation System ON/OFF switch: Pressed
ON
Forward collision mitigation system (FCM) and Ultrasonic misacceleration Mitigation System ON/OFF switch: Released
OFF
21
Vehicle control state (ENG ECU)
Ignition switch: "ON"
The cruise control: OFF
ALL OFF
The cruise control: ON
Cruise ON
22
ACC control state (ENG ECU)
Not used.
23
ACC fail state (ENG ECU)
Not used.
24
Transmission fail
Ignition switch: "ON"
The transmission is normal
Normal
The transmission fails
Limp home ON
25
Steering angle sensor state
Ignition switch: "ON"
The steering angle sensor is normal
OK
The steering angle sensor is NOT initialised.
Not initialised
The steering angle sensor fails.
Fault
The steering angle sensor fails and is not initialised.
Fault & Not ini.
26
ACC control state (A.S.C. ECU)
Not used.
27
ACC fail state (A.S.C. ECU)
Ignition switch: "ON"
No fail
Normal
The ASTC-ECU detects a malfunction related to the FCM.
Fail with DTC
28
TEMP fail ODO(ENG 1st latest)
Ignition switch: "ON"
Total driving distance (km)
29
TEMP fail ODO(ENG 2nd latest)
Ignition switch: "ON"
Total driving distance (km)
30
TEMP fail ODO(ENG 3rd latest)
Ignition switch: "ON"
Total driving distance (km)
31
TEMP fail ODO(A.S.C. 1st latest)
Ignition switch: "ON"
Total driving distance (km)
32
TEMP fail ODO(A.S.C. 2nd latest)
Ignition switch: "ON"
Total driving distance (km)
33
TEMP fail ODO(A.S.C. 3rd latest)
Ignition switch: "ON"
Total driving distance (km)
34
FL wheel speed
Running
The speedometer display and the M.U.T.-III display almost agree with each other. (r/min)
35
FR wheel speed
Running
36
RL wheel speed
Running
37
RR wheel speed
Running
38
ACC:Target acceleration (MAX)
Not used.
39
ACC:Target acceleration (MIN)
Not used.
40
FCM:Target deceleration
Ignition switch: "ON"
The FCM system requests the automatic braking or brake assist.
-10.24 to +10.22 (m/s2)
The FCM system does not request the automatic braking or brake assist.
Other than the above
41
FCM:Brake prefill request
Ignition switch: "ON"
The FCM system does not request the pre-fill braking.
OFF
The FCM system requests the pre-fill braking.
ON
42
FCM:Brake assist request
Ignition switch: "ON"
The FCM system does not request the brake assist.
OFF
The FCM system requests the brake assist.
ON
43
FCM:Auto brake request
Ignition switch: "ON"
The FCM system does not request the automatic braking.
OFF
The FCM system requests the automatic braking.
ON
44
ACC display req. (Forward vehi.)
Not used.
45
ACC display req. (Set distance)
Not used.
46
ACC display req. (Indicator)
Not used.
47
ACC display req. (Set speed)
Not used.
48
ACC warning request
Not used.
49
FCM warning request
Ignition switch: "ON"
The FCM system is not displayed
No request
The FCM system warning is displayed (warning is activated)
Warning
The FCM system warning is displayed (during braking or brake assist)
FCM brake
The FCM system warning is displayed (after braking or brake assist)
FCM BRK finished
The FCM system warning is displayed (The FCM system is switched off)
OFF
The FCM system warning is displayed (The distance is set to "FAR")
Distance (Far)
The FCM system warning is displayed (The distance is set to "NEAR")
Distance (Near)
The FCM system warning is displayed (The distance is set to "MIDDLE")
Distance (Mid)
The FCM system warning is displayed (FCM ON/OFF switch is pushed during HDC active)
Disable(HDC)
The FCM system warning is displayed (FCM ON/OFF switch is pushed during R/D Lock state)
Disable(R/DLock)
The FCM system warning is displayed (FCM ON/OFF switch is pushed during 4LLc state)
Disable(4LLc)
The FCM system is displayed (The FCM system is deactivated because of adherence of snow or dirt and so on in front of radar sensor)
RADAR Blocked
The FCM system warning is displayed (The FCM system is deactivated temporarily)
RADAR failure
The FCM system warning is displayed (The system fails)
System failure
50
ACC display req.(Set speed unit)
Not used.
51
FCM display req. (OFF indicator)
Ignition switch: "ON"
The FCM system: OFF
OFF
The FCM system: ON
ON
The FCM radar calibration has not been completed.
Flash
52
ACC/FCM buzzer request
Not used.
53
Vertical alignment (Current)
Ignition switch: "ON"
Angles which indicate radar mounting angle correction value
-2 to +2 deg
54
Horizontal alignment (Current)
-2 to +2 deg
55
Vertical alignment (Measured)
Ignition switch: "ON"
Angles which indicate radar mounting angle correction value
-10 to +10 deg
56
Horizontal alignment (Measured)
-10 to +10 deg
62
Alignment complete flag
Ignition switch: "ON"
Radar alignment(aiming) is not completed
OFF
Radar alignment(aiming) is completed
ON

Items monitored by the FCM-ECU


By using these monitor items, the system recognises how the FCM is controlled via the FCM-ECU.
Item No.
Inspection item
100
FCM Event:Data reliability
101
FCM Event:Intervention counter
102
FCM Event:Odometer
103
FCM Event:Vehicle speed (ST)
104
FCM Event:Vehicle speed (End)
105
FCM Event:Deceleration (ST)
106
FCM Event:ACC system status
107
FCM Event:MAX target decele.
108
FCM Event:MAX deceleration
109
FCM Event:Steering angle (ST)
110
FCM Event:Steering angle (End)
111
FCM Event:Accelerator pedal (ST)
112
FCM Event:Accelerator pedal(End)
113
FCM Event:Brake switch (ST)
114
FCM Event:Brake switch (End)
115
FCM Event:Brake M/C pressure(ST)
116
FCM Event:Brake M/C PRS. (End)
117
FCM Event:Obstacle status
118
FCM Event:Relative distance (ST)
119
FCM Event:Relative distance(End)
120
FCM Event:Relative speed (ST)
121
FCM Event:Relative speed (End)
122
FCM Event:Lateral offset (ST)
123
FCM Event:Lateral offset (End)
124
FCM Event:Curve radius (ST)
125
FCM Event:Auto brake time