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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).
Item No.Check itemCheck conditionNormal condition
1ECU power supply voltageIgnition switch: "ON"0 to 25.5 V
2ECU temperatureIgnition switch: "ON"-100 to 156 °C (-148 to 313 °F)
3Object recognition (CONT. value)--
4Relative speed (Control value)Ignition switch: "ON"Displays a relative speed to a target vehicle.
5Relative speed (Left)
6Relative speed (Right)
7Relative speed (Center)
8Relative distance(Control value)Ignition switch: "ON"Displays a relative distance to a target vehicle [0 to 40 m (0 to 131.2 ft)].
9Lateral position--10 to 10 m (-32.8 to 32.8 ft)
10Reflection amplitude (Left)Ignition switch: "ON"Displays a reflection intensity of the sensors (nominal range: -1 to 72)
11Reflection amplitude (Right)
12Reflection amplitude (Center)
13Camera/Laser Radar performanceIgnition switch: "ON"Displays an operation status of the FCM/LDW/AHB-ECU; Normal, Blocked, System failure.
14Relative distance (Left)Ignition switch: "ON"Displays a relative distance to a target vehicle.
15Relative distance (Right)
16Relative distance (Center)
17Steering wheel angle (+: left turn, -: right turn)Vehicle stopped (the steering wheel is in the neutral position)-6 to 6 deg
18Yaw rate (+: left turn, -: right turn)Vehicle stopped (level)-3.6 to 3.6 deg/s
Running-75 to 75 deg/s
19Lateral G (+: left turn, -: right turn)Vehicle stopped (level)-0.11 to 0.11 m/s2
Running-1 to 1 m/s2
20Longitudinal G (+: deceleration, -: acceleration)Vehicle stopped (level)-0.04 to 0.04 m/s2
Running-1 to 1 m/s2
21Vehicle speedPerform a test run of the vehicle.The speedometer display and the scan tool (M.U.T.-IIISE) display almost agree with each other.
22AS&G statusNot used
23A.S.C. statusWhen the ASC is activatedA.S.C. ON
When the ASC is deactivated by the ASC OFF switch.A.S.C. OFF
When the ASC failsA.S.C. fail
24Ignition switch / Electric motor switchIgnition switch: "LOCK"(OFF)Lock
Ignition switch: "ACC"ACC
Ignition switch: "ON"ON
Ignition switch: "START"Start
25FCM ON/OFF switchForward collision mitigation system (FCM) and ultrasonic misacceleration mitigation system ON/OFF switch: PressedON
Forward collision mitigation system (FCM) and ultrasonic misacceleration mitigation system ON/OFF switch: ReleasedOFF
26LDW switchLDW switch: PressedON
LDW switch: ReleasedOFF
27ODO scale-km or mile
28TSR ON/OFF requestNot used
33FCM warning requestThe FCM system warning is not displayed.No request
The FCM system warning is displayed (warning is activated)Warning
The FCM system warning is displayed (during braking)FCM brake
The FCM system warning is displayed (after braking)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 "Mid")Distance (Mid)
The FCM system warning is displayed (the FCM system is deactivated temporarily)Temporary fail
The FCM system warning is displayed (the system fails).System failure
34FCM OFF indicator requestThe FCM system: OFFOFF
The FCM system: ONON
The FCM radar calibration has not been completed.Flash
35ACC/FCM buzzer request-No/Buzzer 1/Buzzer 2/Buzzer 3/Buzzer 4
38Pitch angle (Current)-Displays a current compensation angle (nominal range: -32.768 to 32.767 deg).
39Yaw angle (Current)
40Roll angle (Current)
41LDW lane detection (RH)The LDW is deactivated. Alternatively, the vehicle is being driven on the road where lane division lines are not clear with the LDW activated.OFF
The vehicle is being driven on the road where lane division lines are clear with the LDW activated.ON
42LDW lane detection (LH)The LDW is deactivated. Alternatively, the vehicle is being driven on the road where lane division lines are not clear with the LDW activated.OFF
The vehicle is being driven on the road where lane division lines are clear with the LDW activated.ON
43LDW warning status (RH)The vehicle is being driven on the middle (not near a lane line) of the road where lane division lines are clearOFF
The vehicle is being driven near or across a lane division line of the road.ON
44LDW warning status (LH)The vehicle is being driven on the middle (not near a lane line) of the road where lane division lines are clearOFF
The vehicle is being driven near or across a lane division line of the road.ON
45Speed limit sign 1Not used
46Speed limit sign 2Not used
47Overtaking prohibited signNot used
48Sub sign 2Not used
49Sub sign 3Not used
 
 
 
 
What the FCM/LDW/AHB-ECU monitors
  • By monitoring these items, the system recognizes how the FCM is controlled.
  • Monitored data can be stored three times; Event 1 (the last), Event 2 (the last but one) and Event 3 (the last but two). To store the forth data, oldest Even 3 will be erased.
Item No.Scan tool (M.U.T.-IIISE) display
100FCM Event1: Odometer
101FCM Event1: Vehicle speed (ST)
102FCM Event1: Vehicle speed (End)
103FCM Event1: Yaw rate (ST)
104FCM Event1: Yaw rate (End)
105FCM Event1: Longitudinal G (ST)
106FCM Event1: Longitudinal G (End)
107FCM Event1: Lateral G (ST)
108FCM Event1: Lateral G (End)
109FCM Event1: ABS activation
110FCM Event1: A.S.C activation
111FCM Event1: Brake switch(ST)
112FCM Event1: Brake switch(End)
113FCM Event1: FCM brake req. time
114FCM Event1: Target decel. (MAX)
115FCM Event1: Actual decel. (MAX)
116FCM Event1: Relative distance(ST)
117FCM Event1: Relative dist. (End)
118FCM Event1: Relative speed (ST)
119FCM Event1: Relative speed (End)
120FCM Event1: Steering angle (ST)
121FCM Event1: Steering angle (End)
122FCM Event1: Accelerator POS. (ST)
123FCM Event1: Accelerator POS.(End)
124FCM Event1: ACC system status
200FCM Event2: Odometer
201FCM Event2: Vehicle speed (ST)
202FCM Event2: Vehicle speed (End)
203FCM Event2: Yaw rate (ST)
204FCM Event2: Yaw rate (End)
205FCM Event2: Longitudinal G (ST)
206FCM Event2: Longitudinal G (End)
207FCM Event2: Lateral G (ST)
208FCM Event2: Lateral G (End)
209FCM Event2: ABS activation
210FCM Event2: A.S.C activation
211FCM Event2: Brake switch(ST)
212FCM Event2: Brake switch(End)
213FCM Event2: FCM brake req. time
214FCM Event2: Target decel. (MAX)
215FCM Event2: Actual decel. (MAX)
216FCM Event2: Relative distance(ST)
217FCM Event2: Relative dist. (End)
218FCM Event2: Relative speed (ST)
219FCM Event2: Relative speed (End)
220FCM Event2: Steering angle (ST)
221FCM Event2: Steering angle (End)
222FCM Event2: Accelerator POS. (ST)
223FCM Event2: Accelerator POS.(End)
224FCM Event2: ACC system status
300FCM Event3: Odometer
301FCM Event3: Vehicle speed (ST)
302FCM Event3: Vehicle speed (End)
303FCM Event3: Yaw rate (ST)
304FCM Event3: Yaw rate (End)
305FCM Event3: Longitudinal G (ST)
306FCM Event3: Longitudinal G (End)
307FCM Event3: Lateral G (ST)
308FCM Event3: Lateral G (End)
309FCM Event3: ABS activation
310FCM Event3: A.S.C activation
311FCM Event3: Brake switch(ST)
312FCM Event3: Brake switch(End)
313FCM Event3: FCM brake req. time
314FCM Event3: Target decel. (MAX)
315FCM Event3: Actual decel. (MAX)
316FCM Event3: Relative distance(ST)
317FCM Event3: Relative dist. (End)
318FCM Event3: Relative speed (ST)
319FCM Event3: Relative speed (End)
320FCM Event3: Steering angle (ST)
321FCM Event3: Steering angle (End)
322FCM Event3: Accelerator POS. (ST)
323FCM Event3: Accelerator POS.(End)
324FCM Event3: ACC system status