Data List Reference Table
The following items of ECU input data can be read using scan tool (M.U.T.-III).
DATA LIST REFERENCE - SYSTEM NORMAL
| Item No. | Check item | Check condition | Normal condition | ||||
|---|---|---|---|---|---|---|---|
| 01 | FL wheel speed sensor | Perform a test run of the vehicle. | The speedometer display and the scan tool (M.U.T.-III) display almost agree with each other. (During stop: approximately 0.7km/h) | ||||
| 02 | FR wheel speed sensor | ||||||
| 03 | RL wheel speed sensor | ||||||
| 04 | RR wheel speed sensor | ||||||
| 05 | Power supply voltage | System voltage (10 to 18 V ASC operable range) | |||||
| 07 | Brake switch (input) | The brake pedal is depressed. | ON | ||||
| The brake pedal is released. | OFF | ||||||
| 08 | Lateral G sensor (+: left turn, -: right turn) | Vehicle stopped (level) | -0.11 to 0.11 G | ||||
| Running | -1 to 1 G | ||||||
| 09 | G sensor (+: deceleration, -: acceleration) | Vehicle stopped (level) | -0.04 to 0.04 G | ||||
| Running | -1 to 1 G | ||||||
| 10 | Master cylinder pressure (+: 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 | ||||||
| 11 | Steering angle (+: left turn, -: right turn) | Vehicle stopped (the steering wheel is in the neutral position) | -6 to 6 deg | ||||
| Running | Nearly 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) > | |||||||
| 12 | Yaw rate sensor (+: left turn, -: right turn) | Vehicle stopped (level) | -3.6 to 3.6 deg/s | ||||
| Running | -100 to 100 deg/s | ||||||
| 14 | Brake switch | The brake pedal is depressed. | ON | ||||
| The brake pedal is released. | OFF | ||||||
| 15 | Emission test mode | Emission test mode: ON | ON | ||||
| Emission test mode: OFF | OFF | ||||||
| 45 | Steering angle sensor OK flag | When the steering wheel sensor neutral point is learned | Comp | ||||
| When the steering wheel sensor neutral point is not learned | Not Comp | ||||||
| When the steering wheel sensor is defective | Steering angle sensor fail | ||||||
| Steering angle sensor fail & No Comp | |||||||
| 65 | Engine Speed | When the accelerator pedal is depressed (engine started) | The tachometer display and the scan tool (M.U.T.-III) display almost agree with each other. | ||||
| 66 | Engine torque | Displays the engine torque. | |||||
| 67 | APS | Displays the accelerator pedal opening angle. | |||||
| 68 | Allow ESP torque request | Allow | |||||
| 70 | Target gear | When the selector lever is operated | Displays the selector lever position. | ||||
| 71 | Actual gear | ||||||
| 72 | Master cylinder pressure offset | The 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 | ||||
| 73 | Lateral G sensor offset | The 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 | ||||
| 74 | Steering angle offset | The 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 | ||||
| 86 | Ignition switch | Ignition switch: ON | ON | ||||
| 87 | Ignition switch (input) | Ignition switch: ON | ON | ||||
| 88 | Vehicle speed | Perform a test run of the vehicle. | The speedometer display and the scan tool (M.U.T.-III) display almost agree with each other. | ||||
| 91 | Brake pressure sensor | The brake pedal is depressed. | ON | ||||
| The brake pedal is released. | OFF | ||||||
| 96 | G sensor offset | The 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 | ||||
| 97 | Yaw rate sensor offset | The 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 | ||||
| 105 | Power supply voltage (input) | System voltage (10 to 18 V ASC operable range) | |||||
| 120 | Parking brake switch (Input) | When the parking brake lever is pulled up: | ON | ||||
| When the parking brake lever is released: | OFF | ||||||
| 128 | A.S.C./TCL off switch (input) | The ASC OFF switch is pressed. | ON | ||||
| The ASC OFF switch is not operated. | OFF | ||||||
| 138 | ESS request | ASC-ECU is demanding the ESS operation of ETACS-ECU. | ON | ||||
| ASC-ECU is not demanding the ESS operation of ETACS-ECU. | OFF | ||||||
| 139(1) | Idle stop | The idling stop disabled | Not allowed | ||||
| The idling stop enabled | Allow | ||||||
| 140 | A.S.C./TCL mode (S-AWC) | When the ASC is activated | ASC ON | ||||
| When the ASC is deactivated by the ASC OFF switch. | ASC OFF | ||||||
| When the ASC fails | N/A | ||||||
| 141 | ACCS/FCM | Without ACC/FCM function | Not present | ||||
| With ACC/FCM function | Present | ||||||
| 142(2) | ACCS control state (ACCS/FCM ECU) | Activate the ACC. | Displays ACC control status which is received from the ACC/FCM-ECU | ||||
| OFF | |||||||
| Standby | |||||||
| Active | |||||||
| Accele. override | |||||||
| Temporary failu. | |||||||
| System failure | |||||||
| 143(2) | ACCS: Target acceleration (MAX) | Activate the ACC. | Displays the upper limit of ACC target acceleration/deceleration speed (m/s2 ) | ||||
| 144(2) | ACCS: Target acceleration (MIN) | Activate the ACC. | Displays the lower limit of ACC target acceleration/deceleration speed (m/s2 ) | ||||
| 145(2) | FCM: Target deceleration | Activate the FCM. | Displays FCC target deceleration speed (m/s2 ). | ||||
| 146(2) | FCM: Brake prefill request | When the brake system pre-fill request signal is received from the ACC/FCM-ECU | ON | ||||
| Other than above | OFF | ||||||
| 147(2) | FCM: Brake assist request | When the brake assist request signal is received from the ACC/FCM-ECU | ON | ||||
| Other than above | OFF | ||||||
| 148(2) | FCM: Auto brake request | When the automatic brake request signal is received from the ACC/FCM-ECU | ON | ||||
| Other than above | OFF | ||||||
| 149(2) | Vehicle control state (ENG ECU) | Operate the cruise control switch. | Displays the vehicle control status which is received from the engine control module | ||||
| ALL OFF | |||||||
| Cruise ON | |||||||
| ASL ON | |||||||
| ACCS ON | |||||||
| 150(2) | ACCS control state (ENG ECU) | Activate the ACC. | Displays the ACC control status inside the engine control module which is received from the engine control module. | ||||
| Standby | |||||||
| Active | |||||||
| 151(2) | ACCS fail state (ENG ECU) | Activate the ACC. | Displays the ACC-related failure status inside the engine control module which is received from the engine control module. | ||||
| Normal | |||||||
| Fail | |||||||
| Fail with DTC | |||||||
| 152(2) | Stoplight switch state | The brake pedal is depressed. | ON | ||||
| The brake pedal is released. | OFF | ||||||
| 153(2) | ACCS control state (ASC ECU) | Activate the ACC. | Displays the ACC control status inside the ASC-ECU | ||||
| OFF | |||||||
| Standby | |||||||
| Active | |||||||
| Accele. override | |||||||
| Temporary failu. | |||||||
| System failure | |||||||
| 154(2) | ACCS: Target engine torque | Activate the ACC. | Displays the ACC target engine torque. (Nm) | ||||
| 155(2) | ACCS: Target primary speed | Activate the ACC. | Displays the ACC target primary speed. (r/min) | ||||
| 156(2) | Accelerator/Brake override state | The accelerator or the brake pedal is not depressed during the ACC control | Not active | ||||
| The accelerator pedal is depressed during the ACC control | Accel override | ||||||
| The brake pedal is depressed during the ACC control | Brake override | ||||||
| 157(2) | Cruise control off signal | The ACC OFF signal is sent | ON | ||||
| Other than above | OFF | ||||||
| 158(2) | ACCS fail state (ASC ECU) | Activate the ACC. | Displays the ACC-related failure status inside the ASC-ECU | ||||
| Normal | |||||||
| Fail | |||||||
| Fail with DTC | |||||||
| 159(2) | ACCS/FCM: Auto brake active state | Activate the FCM. | Displays the automatic brake operation status inside the ASC-ECU | ||||
| Not active | |||||||
| ACCS braking | |||||||
| FCM pre-braking | |||||||
| FCM braking | |||||||
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NOTE:
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