Data List / Active Test [11/2018 - 12/2021]

DATA LIST

HINT:

Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

NOTE:

In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

Warm up the engine.
Turn the ignition switch off.
Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Powertrain / Stop and Start / Data List.
According to the display on the Techstream, read the Data List.

Powertrain > Stop and Start > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Total Distance Traveled	Total distance traveled	Min.: 0 Max.: 1677215	-	-
Total Distance Traveled - Unit	Unit of Total Distance Traveled	km / mile	-	-
Neutral Switch	Park/Neutral position switch assembly status	OFF / ON	ON: Shift lever in P or N OFF: Shift lever not in P or N	-
IG Switch	Ignition or starter switch assembly1 or push start switch assembly2 signal	OFF / ON	ON: Ignition switch ON	-
Stop Light SW (ECM)	Stop light switch assembly signal from ECM	OFF / ON	ON: Brake pedal depressed OFF: Brake pedal fully released	This is sent from the ECM.
Stop Light SW (ABS/VSC)	Stop light switch assembly signal from vehicle stability control system	OFF / ON	ON: Brake pedal depressed OFF: Brake pedal fully released	This is sent from the skid control ECU (brake actuator assembly).
Driver Courtesy Switch Signal	Driver door courtesy switch signal	OFF / ON	ON: Driver side door open OFF: Driver side door closed	-
Hood Courtesy Switch	Hood courtesy switch signal	OFF / ON	ON: Engine hood closed OFF: Engine hood open	-
Stop&Start Cancel Switch	Stop and start system cancel switch (eco run cancel switch assembly) signal	OFF / ON	ON: Stop and start system cancel switch (eco run cancel switch assembly) pressed OFF: Stop and start system cancel switch (eco run cancel switch assembly) not pressed	-
Starter	Starter status	OFF / ON	ON: Cranking OFF: Not cranking	-
Starter Motor	Starter motor status	OFF / ON	ON: Cranking OFF: Not cranking	-
Engine Starter Signal	Starter signal status	OFF / ON	ON: Cranking OFF: Not cranking	This is sent from the ECM.
Driver Seat Belt Buckle Switch	Driver seat belt buckle switch status	Buckled / Not Buckled / Unfix / Abnormal	Buckled: Driver seat belt fastened Not Buckled: Driver seat belt not fastened	-
Engine Speed (ECM)	Engine speed signal from ECM via CAN communication	Min.: -25600 rpm Max.: 25599.21 rpm	600 to 700 rpm: When idling after warm up, shift lever in N and no load	This is sent from the ECM.
Battery Current	Battery current	Min.: -125 A Max.: 124.99618 A	-	-
Brake Boost Pressure	Brake booster pressure (absolute pressure)	Min.: -640 kPa(abs) (-4800 mmHg(abs), -189 in.Hg(abs)) Max.: 639.98 kPa(abs) (4800.25 mmHg(abs), 188.99 in.Hg(abs))	Approx. 100 kPa (750 mmHg, 29.5 in.Hg): Ignition switch ON, brake pedal depressed several times (differs according to atmospheric pressure)	-
Brake Negative Pressure	Brake booster vacuum (negative pressure)	Min.: -640 kPa(gauge) (-4800 mmHg(gauge), -189 in.Hg(gauge)) Max.: 639.98 kPa(gauge) (4800.25 mmHg(gauge), 188.99 in.Hg(gauge))	Approx. 0 kPa (0 mmHg, 0 in.Hg): Ignition switch ON, brake pedal depressed several times	This item cannot be checked if a malfunction occurs in communication with ECM.
Master Cylinder Pressure	Brake fluid pressure	Min.: 0 MPa Max.: 655.35 MPa	0 to 5 MPa (When normal pedal effort is applied)	-
Gradient of Road Surface	Degree of road gradient	Min.: -10.24 m/s² Max.: 10.16 m/s²	-1.4 to 1.4 m/s² : Vehicle stopped on level surface	-
Battery Fluid Temperature (Start)	Battery fluid temperature at engine start	Min.: -40°C (-40°F) Max.: 215°C (419 °F)	Same as temperature around battery at engine start (after engine start)	-
Battery Fluid Temperature	Estimated temperature inside battery	Min.: -40°C (-40°F) Max.: 215°C (419 °F)	Changes according to actual temperature: Driving after engine warmed up	-
Buzzer	Buzzer status	OFF / ON	ON: Buzzer on OFF: Buzzer does not sound	Refer to warning buzzer operation conditions.
Eco Indicator Light	Stop and start indicator status	OFF / ON	ON: Stop and start indicator on or blinking OFF: Stop and start indicator off	-
Oil Pressure Warning Light Prohibit	Oil pressure warning status	Permit / Prohibit	Prohibit: During engine stop by stop and start control Permit: Not during engine stop by stop and start control	Engine stop and start ECU informs the combination meter assembly that the oil pressure warning does not come on during engine stop by stop and start control.
Oil Pump Relay	Oil pump motor relay inside ECU status	OFF / ON	ON: Oil pump motor relay inside ECU is on	-
Electromagnetic Oil Pump Drive Request	Oil pump with solenoid assembly drive request status	OFF / ON	ON: Drive requested OFF: Drive not requested	-
Electromagnetic Oil Pump Check Request	Request to perform the check before operating when the oil pump with solenoid assembly receives a drive request	OFF / ON	-	This item displays ON when a check is requested
Stop&Start Cancel Light Code	Transmission code from the engine stop and start ECU to the combination meter assembly	0 / 1 / 2 / 3 / 4 0: Extinction 1: Lighting 2: Blink 3: - 4: DTC output	0: Stop and start cancel indicator off 1: Stop and start cancel indicator on	Stop and start cancel indicator on/blinking/off request sent to combination meter assembly.
Brake Pressure Hold Request	Brake fluid pressure holding request during stop and start control	OFF / ON	ON: Shift lever in D and engine stopped by stop and start control OFF: Shift lever in D and engine not stopped by stop and start control	ON is displayed when a brake fluid pressure holding request is sent during stop and start control or the engine is stopped by stop and start control with the shift lever in D.
Brake Pressure Hold Request Status	Brake fluid pressure holding status during stop and start control	Normal Release / Quick Release / Hold / Immediate Release	-	-
Stop&Start Operating Permission (Neutral Switch)	Permission of stop and start control based on the park/neutral position switch assembly conditions	NG / OK	-	-
Stop&Start Operating Permission (Vehicle Speed)	Permission of stop and start control based on the vehicle speed conditions	NG / OK	OK: Vehicle stopped	-
Stop&Start Precondition	Permission of stop and start control with all preconditions met	OFF / ON	ON: Preconditions for stop and start control have been met	Condition of permission or prohibition for terms listed below. (ECM 1, ECM 2, ABS/VSC, Elapsed Time After IG-ON, DTC, A/C, Idling Stop Performance Waiting Time, After Running, Engine Hood Closed, Driver Door Closed, Cancel Switch, AT/CVT, AT/CVT 2, Interval For Starter, Key Operation, Driver Side Buckle SW, Ambient Temperature) For details on the preconditions, refer to System Description.
Stop&Start Precondition 2	Permission of stop and start control with all preconditions met	OFF / ON	ON: Preconditions for stop and start control have been met	Condition of permission or prohibition for terms listed below. (Idling, Road Surface Gradient, No Shift Operation, Brake Negative Pressure, Steering, Electromagnetic Oil Pump, Starter Check Complete)
Hill Judging	Hill judgment	Not Hill / Hill	-	-
IG-ON State Before Starting	Permission of stop and start control based on the vehicle speed since ignition switch turned to ON	OFF / ON	-	-
Stop&Start Operating Permission (Shift D Position)	Permission of stop and start control based on shift lever position	NG / OK	OK: Vehicle being driven with shift lever in D	-
Stop&Start Operating Prohibition (CVT)	Prohibition of stop and start control by continuously variable transaxle system	Permit / Prohibit	-	-
Engine Start Request (Accelerator)	Engine start request due to accelerator pedal operation	OFF / ON	ON: Engine start requested due to accelerator pedal being depressed	-
Engine Start Request (Brake Negative Pressure Low)	Engine start request due to low brake booster vacuum	OFF / ON	ON: Brake booster vacuum insufficient while engine stopped by stop and start control	OFF is usually displayed ON is displayed when the engine is started due to decreased brake booster vacuum caused by depressing the brake pedal several times
Engine Start Request (Brake Release)	Engine start request due to brake pedal operation	OFF / ON	ON: Engine start requested due to brake pedal being released	-
Engine Start Request (Shift Lever)	Engine start request due to shift lever operation	OFF / ON	ON: Engine start requested due to operation of shift lever	-
Engine Start Request (Shift Uncertain)	Engine start request due to uncertain shift lever position	OFF / ON	ON: Engine start requested due to uncertain shift lever position while engine is stopped by stop and start control	-
Engine Start Request (ABS Vehicle Speed)	Engine start request based on vehicle speed signal from the vehicle stability control system	OFF / ON	ON: Engine start requested due to speed signal while the engine is stopped by stop and start	Engine start request based on the speed sensor signal
Engine Start Request (Steering)	Engine start request by the power steering system	OFF / ON	ON: Engine start requested due to operation of power steering system	-
Engine Start Request (Cancel SW)	Engine start request by stop and start system cancel switch (eco run cancel switch assembly)	OFF / ON	ON: Engine start requested due to operation of the stop and start system cancel switch (eco run cancel switch assembly) while the engine is stopped by stop and start control	-
Engine Start Request (IG Switch)	Engine start request due to ignition or starter switch assembly1 or push start switch assembly2 operation	OFF / ON	ON: Engine started using ignition or starter switch assembly1 or push start switch assembly2 while engine stopped by stop and start control	-
Engine Start Request (A/C)	Engine start request from air conditioning system	OFF / ON	ON: Engine start requested by air conditioning system	-
Engine Start Request (AT/CVT)	Engine start request from automatic transaxle system	OFF / ON	ON: Engine start requested by automatic transaxle system while the engine is stopped by stop and start control	-
Engine Start Request (Battery Condition)	Engine start request based on battery performance	OFF / ON	ON: Engine start requested due to low battery voltage while the engine is stopped by stop and start control	-
Engine Start Request (ABS/VSC)	Engine start request from vehicle stability control system	OFF / ON	ON: Engine start requested by skid control ECU (brake actuator assembly)	-
Engine Start Request (ECM)	Engine start request from ECM	OFF / ON	ON: Engine start requested by ECM	-
Engine Start Request (Detect DTC)	Engine start request due to output of DTCs	OFF / ON	ON: Engine start requested due to output of stop and start system DTCs	-
Engine Start Request (Shift P Position and Brake)	Engine start request due to brake being depressed when the shift lever in P and the engine is stopped due to stop and start control	OFF / ON	ON: Engine start requested	-
Engine Start Request (4WD and Rear Differential Lock)	Engine start request by 4WD and rear differential lock	OFF / ON	ON: Vehicle is switched to 4WD or rear differential is locked while the engine is stopped due to stop and start control	Unused
Engine Start Request (ACC)	Engine start request by dynamic radar cruise control system	OFF / ON	ON: Engine start request based on dynamic radar cruise control system	-
Engine Stall History during Stop&Start (Hood Open)	History of engine stall due to the engine hood being opened with shift lever in D while the engine is stopped by stop and start control	No / Yes	No: No history	-
Engine Stall History during Stop&Start (Collision or Battery Voltage Low)	History of engine stall due to a collision or low battery voltage when stop and start control operating	No / Yes	No: No history	-
Engine Stall History during Engine Starting (Collision)	History of engine stall due to a collision while engine stopped by stop and start control	No / Yes	No: No history	-
Engine Start Fail	History of engine restart failure while engine stopped by stop and start control	No / Yes	No: No history	-
Starter Operation #	Number of starter operations (count record)	Min.: 0 times Max.: 16777215 times	-	-
Number of Engine Starts (IG-ON)	The number of starter operations by ignition or starter switch assembly1 or push start switch assembly2 operation	Min.: 0 times Max.: 16777215 times	-	-
Number of Engine Starts (Stop & Start)	The number of starter operations by stop and start control	Min.: 0 times Max.: 16777215 times	-	-
Deceleration Sensor Offset Value	Deceleration sensor offset value	Min.: -1176.04 m/s² Max.: 1176 m/s²	-0.9 to 0.9 m/s² : After deceleration sensor zero point learning completion	-
Deceleration Sensor Calibration	Deceleration sensor calibration status	Incomplete / Running / Complete / Err1 / Err2 / Err3	Complete: After deceleration sensor zero point learning completion	-
Stop&Start of Engine State	Stop and start control status	IG / Run / Stop Request / Stop / Restart	IG: Engine stopped Run: Engine running Stop Request: Engine stop requested Stop: Engine stopped (by stop and start control) Restart: Engine restarted	-
Idling Stop Rate	Rate of the idling stop time to the entire ignition switch ON time of this trip	Min.: 0% Max.: 255%	-	-
Total Idling Stop Rate	Rate of the overall idling stop time to the overall ignition switch ON time	Min.: 0% Max.: 255%	-	-
Stop & Start A/C Mode	Selected air conditioning mode	Undefined / Normal / Stop&Start Prioritized / A/C Prioritized	-	-
Integrated Current	Battery integrated current	Min.: -268435 A-sec Max.: 268435 A-sec	Differs according to vehicle condition (charge/discharge conditions)	Refer to "Regarding Battery Integrated Current" for details.*
Status of Battery Charge Control	Battery charge control status	Charge Control Coordination Mode / Stop and Start Standalone Mode / Refresh Charge Mode / Stop and Start Restriction Mode / Temperature High/Low Mode / Abnormal Mode / Battery Condition Judgment Mode / Low Temperature Mode	-	-
Cranking Time	Engine cranking time	Min.: 0 msec Max.: 134215.68 msec	300 to 3000 msec: Duration of starter operation by stop and start control	-
Minimum Voltage (Cranking)	Minimum voltage when cranking engine	Min.: -327.68 V Max.: 327.67 V	6 to 11 V	Minimum battery voltage measured after the cranking.
Minimum Voltage (Starter Solenoid Engagement)	Minimum voltage when starter begins operation	Min.: -327.68 V Max.: 327.67 V	6 to 11 V	Minimum battery voltage the starter starts operating.
Starter Type	Starter assembly type	Other than Tandem Starter / Tandem Starter	Tandem Starter	-
State of BBC	Backup boost converter status	Cycle Err / Overvoltage / Overload / Normal / Low Vol / Duty Err / Stop&Start Sensor Electric Supply Low / Stop&Start CPU Malfunction / BBC Overcurrent / Stop&Start Starter Overcurrent / Stop&Start Reduced Voltage Reset	Normal: Backup boost converter operating normally	Duty Err: Abnormal duty ratio is detected. Cycle Err: Abnormal output voltage cycle is detected. Low Vol: A decrease in the voltage of the control IC power source within the backup boost converter is detected when ignition switch is turned to ON. Overload: Overcurrent is detected. Overvoltage: When the ignition switch is ON: Overvoltage is detected at the control IC power source in the backup boost converter Overheating is detected at the control IC power source in the backup boost converter When boosting: Malfunction is detected in the feedback circuit in the backup boost converter Too high or low output voltage.
State of External BBC	External backup boost converter status	Cycle Err / Overvoltage / Overload / Normal / Low Vol / Duty Err / Low Temp	-	-
External BBC Overcurrent History	External backup boost converter overcurrent history	No / Yes	-	-
Stop&Start Operating Permission (Idling)	Permission of stop and start control based on the engine idle conditions	NG / OK	OK: Engine idling (engine speed below 1250 rpm) without accelerator pedal being depressed	-
Stop&Start Operating Permission (Brake Master Pressure 0 Point Correction)	Permission of stop and start control due to completion of brake master cylinder pressure zero point calibration	NG / OK	OK: Brake master cylinder pressure zero point calibration completed normally	-
Stop&Start Operating Permission (ABS/VSC 2)	Permission of stop and start control by vehicle stability control system	NG / OK	OK: Stop and start control permitted based on brake system normal condition, or Active Test (forced permission) performed	-
Stop&Start Operating Permission (Brake Negative Pressure)	Permission of stop and start control based on the brake booster vacuum conditions	NG / OK	OK: Brake vacuum is 31.5 kPa to 56.8 kPa (236 mmHg, 9.3 in.Hg to 426 mmHg, 16.8 in.Hg) or more for 1 second or longer	-
Stop&Start Operating Permission (No Shift Operation)	Permission of stop and start control based on the shift lever operation condition	NG / OK	OK: Shift lever not moved for 1 second or more	-
Stop&Start Operating Permission (After Running)	Permission of stop and start control based on the initial trip conditions after the ignition switch is turned to ON	NG / OK	OK: Vehicle has been driven at 7 km/h (4 mph) or more	OK is displayed after the initial trip until the ignition switch is turned off.
Stop&Start Operating Permission (Steering)	Permission of stop and start control by the power steering ECU (rack and pinion power steering gear assembly)	NG / OK	OK: Power steering system is normal operated	-
Stop&Start Operating Permission (Engine Hood Closed)	Permission of stop and start control based on the engine hood open/close conditions	NG / OK	OK: Engine hood closed	-
Stop&Start Operating Permission (Cancel Switch)	Permission of stop and start control based on the stop and start system cancel switch (eco run cancel switch assembly) operation	NG / OK	OK: Stop and start control is permitted (stop and start cancel indicator is not illuminated)	-
Stop&Start Operating Permission (Driver Side Buckle SW)	Permission of stop and start control based on the driver seat belt condition	NG / OK	OK: The driver side buckle switch fastened	-
Stop&Start Operating Permission (Driver Door Closed)	Permission of stop and start control based on the driver door open/close conditions	NG / OK	OK: Driver door closed	-
Stop&Start Operating Permission (Key Operation)	Permission of stop and start control based on the ignition or starter switch assembly1 or push start switch assembly2 operation	NG / OK	OK: Ignition or starter switch assembly1 or push start switch assembly2 not operated	-
Stop&Start Operating Permission (Interval For Starter)	Permission of stop and start control based on the conditions after engine restart	NG / OK	OK: 4 minutes or less have elapsed after engine restarted	-
Stop&Start Operating Permission (Starter Check Complete)	Permission of stop and start control based on the starter circuit self-check result	NG / OK	OK: Stop and start control enabled (starter circuit normal)	When the engine stop and start ECU is abnormal, the starter drive circuit is judged to be abnormal, and NG is displayed
Stop&Start Operating Permission (A/C)	Permission of stop and start control based on the air conditioning conditions	NG / OK	OK: Air conditioning conditions met	-
Stop&Start Operating Permission (AT/CVT 2)	Permission of stop and start control by automatic transaxle system	NG / OK	OK: Oil pump with solenoid assembly normal	This is sent from the ECM via CAN communication.
Stop&Start Operating Permission (AT/CVT)	Permission of stop and start control by automatic transaxle system	NG / OK	OK: When the automatic transaxle system is normal and the automatic transaxle fluid temperature is within in the permissible operating range (25 to 110°C (77 to 230°F)) for stop and start system operation	This is sent from the ECM via CAN communication.
Stop&Start Operating Permission (Electromagnetic Oil Pump)	Oil pump with solenoid assembly preliminary check status	NG / OK	OK: Check completed	-
Stop&Start Operating Permission (Power Management)	Permission of stop and start control based on the battery conditions	NG / OK	OK: Stop and start control permitted based on battery conditions, or Active Test (forced permission) performed	-
Stop&Start Operating Permission (ABS/VSC)	Permission of stop and start control by vehicle stability control system	NG / OK	OK: Stop and start control permitted based on brake system normal condition, or Active Test (forced permission) performed	-
Stop&Start Operating Permission (ECM 2)	Permission of stop and start control by SFI system	NG / OK	OK: Stop and start control enabled (SFI system is normal)	This is sent from the ECM through CAN communication.
Stop&Start Operating Permission (ECM 1)	Permission of stop and start control by the ECM	NG / OK	OK: Stop and start control enabled (SFI system is normal)	-
Stop&Start Operating Permission (Elapsed Time After IG-ON)	Permission of stop and start control based on time elapsed since ignition switch turned to ON	NG / OK	OK: Permitted NG: Not permitted	-
Stop&Start Operating Permission (Idling Stop Performance Waiting Time)	Permission of stop and start control to be operated 2 or more times during a stop based on stop time	NG / OK	OK: Permitted NG: Not permitted	-
Stop&Start Operating Permission (Ambient Temperature)	Permission of stop and start control based on the air conditioning conditions	NG / OK	OK: Ambient temperature -5°C (23°F) or higher	-
Stop&Start Operating Permission (Road Surface Gradient)	Permission of stop and start control based on the road grade conditions	NG / OK	OK: Vehicle stopped on level road (not steep grade)	-
Stop&Start Operating Permission (DTC)	Permission of stop and start control based on the DTC output conditions	NG / OK	OK: DTC not output	-
Stop&Start Operating Permission (Minimum Voltage (Starter Solenoid Engagement))	Permission of stop and start control based on minimum voltage during starter solenoid engagement	NG / OK	OK: Minimum voltage when starter begins operation is equal to the threshold or higher	If both Minimum Voltage (Starter Solenoid Engagement) condition and Minimum Voltage (Cranking) condition are OK, stop and start control is permitted.
Stop&Start Operating Permission (Minimum Voltage (Cranking))	Permission of stop and start control based on minimum voltage during cranking	NG / OK	OK: Minimum voltage when cranking is equal to the threshold or higher	If both Minimum Voltage (Starter Solenoid Engagement) condition and Minimum Voltage (Cranking) condition are OK, stop and start control is permitted.
Stop&Start Operating Permission (4WD and Rear Differential Lock)	Permission of stop and start control by the 4WD and rear differential lock	NG / OK	OK: Permitted NG: When in 4WD or with the rear differential in the lock condition	Unused
Stop&Start Operating Permission (ACC)	Permission of stop and start control by the dynamic radar cruise control system	NG / OK	-	-
EPS Load	Electric power steering current	Min.: -327.68 A Max.: 327.67 A	Approx. 0 A: Electric power steering assist not activated	-
Steering Angle	Steering angle	Min.: -49152 deg Max.: 49150.5 deg	-	-
Steering Angle Velocity	Steering wheel turning speed	Min.: -32768 deg/s Max.: 32767 deg/s	-	-
Shift Position	Shift lever position	Unset / B / D / R / N / P	Shift lever position	-
Engine Stop Request	Engine stop request	OFF / ON	ON: During engine stop by stop and start control OFF: Not during engine stop by stop and start control	ON is displayed when fuel-cut is performed by stop and start control, engine start is not requested, or starter is forced to operate.
Stop&Start Cancel	Stop and start system cancel status	Not Cancel / Cancel	Cancel: Stop and start system cancel switch (eco run cancel switch assembly) depressed	-
Auto A/C	Availability of air conditioning system on vehicle	Without / With	With: Equipped with air conditioning system Without: Not equipped with air conditioning system	Air conditioning information needs to be registered after engine stop and start ECU replacement.
Running History	Vehicle driving record	OFF / ON	ON: History of driving vehicle at 7 km/h (4 mph) or more (without DTC output)	Turns OFF when the engine is stopped by stop and start control.
Wheel Speed Malfunction	Wheel speed sensor malfunction status	OFF / ON	OFF: Input value from speed sensor is normal	ON remains displayed when any input values from the wheel speed sensors are abnormal.
EPS Assist Current Available	Whether the power steering assist current value is available	Avail / Not Avail	-	Avail is also displayed when the power steering system is operating.
Fuel Cut Signal	Fuel cut signal	OFF / ON	ON: Fuel cut operating	-
Idle	Engine idling status	OFF / ON	ON: Accelerator pedal fully released OFF: Accelerator pedal depressed	This is sent from the ECM.
Engine Start (IG SW)	Engine start by ignition or starter switch assembly1 or push start switch assembly2 operation	OFF / ON	ON: Engine start by ignition or starter switch assembly1 or push start switch assembly2 operation OFF: Except engine start by ignition or starter switch assembly1 or push start switch assembly2 operation	Indicates starter operation by operation of the ignition or starter switch assembly1 or push start switch assembly2.
Engine Start Request (Courtesy SW or Buckle SW)	Engine start request by courtesy switch (for driver side) or driver side buckle switch	OFF / ON	ON: Engine start requested due to operation of the courtesy switch (for driver side) or driver side buckle switch while the engine is stopped by stop and start control	-
Stop&Start Operating Permission (Integrated Current)	Permission of stop and start control based on the integrated current value conditions	NG / OK	OK: Integrated current value is equal to the threshold or more	The status depends on the value of "Integrated Current", and the OK/NG threshold differs according to the status of battery charge control. Refer to "Regarding Battery Integrated Current" below for details.*
Stop&Start Operating Prohibition (Jump Start)	Prohibition of stop and start control based on the jump start conditions	Prohibit / Permit	Permit: Except for Jump start condition	When Prohibit is displayed, stop and start control will be prohibited until the ignition switch is turned off. Jump start conditions: Engine started with the engine hood open and the ignition switch START
Deceleration Sensor Output Stuck	Deceleration sensor output stuck	Normal / Abnormal	Normal: Deceleration sensor output normal	-
ABS Running	Operating condition of the vehicle stability control system	OFF / ON	ON: Vehicle stability control system operating	-
Engine Type Information	Information on the engine type from the SFI system	Avail / Not Avl	Avail: Information of engine type received from ECM through CAN communication	Not Avl is displayed if improper engine type information is received from the ECM via CAN communication.
Stop&Start Operating Permission (Master Cylinder Pressure)	Permission of stop and start control based on the master cylinder pressure	NG / OK	OK: Brake pedal depressed while vehicle stopped	-
Slip History	Slip history existence	Without / With	-	-
Steering Angle Sensor Malfunction	Steering sensor malfunction	OFF / ON	OFF: Normal	-
Steering Angle Sensor Circuit Open (+B)	Steering sensor +B circuit malfunction	OFF / ON	OFF: Normal	-
Steering Angle Sensor Abnormal Value	Steering sensor value malfunction	OFF / ON	OFF: Normal	-
Steering Torque Sensor Malfunction	Steering torque sensor status	OFF / ON	OFF: Steering torque sensor normal	-
Battery Type	Set battery type	Specified / Other	Specified: Specified battery Other: Non-specified battery	-
Shift Mode	Shift mode status	OFF / S / M / D	D or S: Shift lever in D or S M: Unused OFF: Shift lever not in D and S	-
Steering Wheel Torque	Steering wheel torque	Min.: -327.68 Nm Max.: 327.67 Nm	-	Turned right: Negative value Turned left: Positive value
Air Suspension Available	Availability of air suspension system on vehicle	No / Yes	No	Unused
Welcab Available	Availability of side left up seat system on vehicle	No / Yes	No	Unused
External BBC Available	Availability of external backup boost converter (eco run vehicle converter assembly) on vehicle	No / Yes	Yes: External backup boost converter (eco run vehicle converter assembly) equipped No: External backup boost converter (eco run vehicle converter assembly) not equipped	-
Brake Hold Function Available	Availability of brake hold function on vehicle	No / Yes	Yes: Equipped No: Not equipped	-
Steering Angle Sensor Available	Availability of steering sensor on vehicle	No / Yes	Yes: Equipped No: Not equipped	-
4WD Available	Whether the vehicle is equipped with a 4WD ECU assembly	No / Yes	No	Unused
PCS Available	Availability of pre-collision system on vehicle	No / Yes	Yes: Equipped No: Not equipped	-
Communication Method of Brake Boost Sensor	Method of communication with vacuum sensor assembly	Not CAN / CAN	Not CAN: Vacuum sensor signal not received via CAN communication	CAN: Vacuum sensor signal received via CAN communication
IPA Available	Whether the vehicle is equipped with the intelligent parking assist function	No / Yes	No	Unused
Cancel Switch (Multi-display) Available	Whether the vehicle is equipped with a stop and start system cancel switch (eco run cancel switch assembly)	No / Yes	No: A stop and start system cancel switch (eco run cancel switch assembly) is not available Yes: A stop and start system cancel switch (eco run cancel switch assembly) is available	-
ACC Available	Availability of dynamic radar cruise control system on vehicle	No / Yes	Yes: Equipped No: Not equipped	-
ACC Operation State	Dynamic radar cruise control operating condition	OFF / ON	ON: Operating OFF: Not operating	-
Number of Stop&Start Operating Prohibition (Elapsed Time After IG-ON)	Number of times stop and start control prohibited due to time elapsed since ignition switch turned to ON	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (DTC)	Number of stop and start control prohibitions due to DTC output	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Brake Negative Pressure)	Number of stop and start control prohibitions due to brake negative pressure condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Interval)	Number of stop and start control prohibitions due to periodic control prohibition after engine stop	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Driver Door Closed)	Number of stop and start control prohibitions due to open driver door	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (Engine Hood Closed)	Number of stop and start control prohibitions due to open engine hood	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (A/C)	Number of stop and start control prohibitions due to air conditioning condition	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (After Running)	Number of stop and start control prohibitions based on the initial trip conditions	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Power Management)	Number of stop and start control prohibitions due to battery condition	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (Interval For Starter)	Number of stop and start control prohibitions due to starter fail-safe operation	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Cancel Switch)	Number of stop and start control prohibitions due to stop and start system cancel switch (eco run cancel switch assembly) operation	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Idling)	Number of stop and start control prohibitions due to idling condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Road Surface Gradient)	Number of stop and start control prohibitions due to road surface gradient condition	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (Steering)	Number of stop and start control prohibitions due to power steering system condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Key Operation)	Number of stop and start control prohibitions due to ignition or starter switch assembly1 or push start switch assembly2 operation	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Starter Check Complete)	Number of stop and start control prohibitions due to incomplete starter circuit check	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Driver Side Buckle SW)	Number of stop and start control prohibitions due to unfastened driver seat belt	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Ambient Temperature)	Number of stop and start control prohibitions due to ambient temperature condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (ECM 2)	Number of stop and start control prohibitions due to SFI system	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Start Minimum Voltage)	Number of stop and start control prohibitions due to battery condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Battery Current)	Number of stop and start control prohibitions due to battery condition	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (Integrated Current)	Number of stop and start control prohibitions due to battery condition	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (Jump Start)	Number of stop and start control prohibitions due to jump start	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Deceleration Sensor Abnormal)	Number of stop and start control prohibitions due to deceleration sensor malfunction	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Engine F/C)	Number of stop and start control prohibitions due to fuel-cut	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Abnormal Wheel Speed Sensor Inputs)	Number of stop and start control prohibitions due to abnormal vehicle speed signal input	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Total Number of Engine Starts)	Number of times stop and start control prohibited due to total number times engine started	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Accelerator)	Number of stop and start control prohibitions due to accelerator pedal operation	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (ABS/VSC 1)	Number of stop and start control prohibitions due to vehicle stability control system condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (No Shift Operation)	Number of stop and start control prohibitions based on shift lever position condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (AT/CVT 2)	Number of stop and start control prohibitions due to automatic transaxle system condition	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (AT/CVT 1)	Number of stop and start control prohibitions due to automatic transaxle system condition	Min.: 0 times Max.: 4294967295 times	-	-
Number of Stop&Start Operating Prohibition (Brake Master Pressure 0 Pt Calibration Incomplete)	Number of stop and start control prohibitions due to incomplete brake master cylinder pressure zero point calibration	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (Electromagnetic Oil Pump)	Number of stop and start control prohibitions due to the oil pump with solenoid assembly before stop and start control was performed	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (ACC)	Number of stop and start control prohibitions due to dynamic radar cruise control system condition	Min.: 0 times Max.: 65535 times	-	-
Number of Stop&Start Operating Prohibition (4WD and Rear Differential Lock)	Number of stop and start control prohibitions due to 4WD and rear differential lock	Min.: 0 times Max.: 65535 times	-	Unused
Number of Engine Start Request (Brake Negative Pressure Insufficient)	Number of engine start requests due to insufficient brake booster vacuum	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (IG Switch)	Number of engine start requests due to ignition or starter switch assembly1 or push start switch assembly2 operation	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (ECM)	Number of engine start requests from SFI system	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (A/C)	Number of engine start requests from air conditioning system	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Steering)	Number of engine start requests due to steering operation	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Detect DTC)	Number of engine start requests due to DTC output	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Battery Condition)	Number of engine start requests due to low battery performance	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Cancel SW)	Number of engine start requests due to stop and start system cancel switch (eco run cancel switch assembly) operation	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (CVT Vehicle Speed)	Number of engine start requests due to CVT vehicle speed signal input	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (ABS Vehicle Speed)	Number of engine start requests due to vehicle stability control system vehicle speed signal input	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Driver Side Buckle)	Number of engine start requests due to driver seat belt condition	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Driver Door)	Number of engine start requests due to driver door condition	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (ABS/VSC)	Number of engine start requests from vehicle stability control system	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Accelerator)	Number of engine start requests due to accelerator pedal operation	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Brake ON(P range))	Number of engine start requests due to brake pedal being depressed while shift lever is P	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (AT)	Number of engine start requests due to automatic transaxle system conditions	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (Shift Uncertain)	Number of engine start requests due to uncertain shift lever position	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (ACC)	Number of engine start requests due to dynamic radar cruise control system conditions	Min.: 0 times Max.: 65535 times	-	-
Number of Engine Start Request (4WD and Rear Differential Lock)	Number of engine start requests due to 4WD and rear differential lock	Min.: 0 times Max.: 65535 times	-	Unused
Number of Stop&Start Canceled (Hood Open)	Number of times stop and start system canceled due to engine hood being opened	Min.: 0 times Max.: 255 times	-	-
Number of Engine Stall (Restart Failed)	Number of times engine stalled due to engine restart failure while engine stopped by stop and start control	Min.: 0 times Max.: 255 times	-	-
Number of Stop&Start Canceled (Reduced Voltage)	Number of times stop and start system canceled due to low battery voltage	Min.: 0 times Max.: 255 times	-	-
Number of Stop&Start Canceled (CPU Malfunction)	Number of times stop and start system canceled due to engine stop and start ECU malfunction	Min.: 0 times Max.: 255 times	-	-
Coolant Temperature	Engine coolant temperature	Min.: -40°C (-40°F) Max.: 215°C (419 °F)	75 to 100°C (167 to 212°F): After warming up	This is sent from the ECM.
Engine Speed	Engine speed	Min.: 0 rpm Max.: 16383 rpm	600 to 700 rpm: Idling (shift lever in N, engine warmed up and A/C off)	-
Vehicle Speed	Vehicle speed	Min.: 0 km/h Max.: 255 km/h (158 mph)	Actual vehicle speed	-
Atmospheric Pressure	Atmospheric pressure (calculated value)	Min.: 0 kPa(abs) (0 kgf/cm² (abs), 0 psi(abs)) Max.: 255 kPa(abs) (2.6 kgf/cm² (abs), 37 psi(abs))	Approx. 100 kPa(abs) (1.0 kgf/cm² (abs), 15 psi(abs)): Ignition switch ON (close to actual atmospheric pressure)	ECM calculated value
Battery Voltage	Battery voltage	Min.: 0 V Max.: 66.5 V	9 to 14 V: Idling	-
Ambient Temperature	Ambient temperature	Min.: -40°C (-40°F) Max.: 215°C (419 °F)	Close to ambient temperature	-
Stop&Start Buzzer	Buzzer status	OFF / ON	ON: Active Test [Stop&Start Buzzer] ON	Active Test [Stop&Start Buzzer] support data.
ECB Available	Availability of electronically controlled brake system on vehicle	No / Yes	No	Unused
Learning Status of External BBC Availability	Learning status of external BBC availability	Incomplete / Complete / Abort	-	-
ICS Available	Availability of parking support brake system on vehicle	No / Yes	Yes: Equipped No: Not equipped	-
LVN Available	Availability of Traffic movement notification system on vehicle	No / Yes	Yes: Equipped No: Not equipped	-
RSA Available	Availability of road sign assist system on vehicle	No / Yes	Yes: Equipped No: Not equipped	-

*1: w/o Smart Key System
*2: w/ Smart Key System

*: Regarding Battery Integrated Current

In the stop and start system, the engine stop and start ECU switches the system control mode (stop and start control permitted/prohibited) based on the battery condition (charge/discharge condition) to protect the battery and to ensure stable engine restarting performance.

The battery charge/discharge condition is determined from the integrated current value calculated from the battery sensor signal. The integrated current value is obtained by multiplying the current (Ampere) detected from the battery sensor by the time (seconds), and it is expressed in a unit A-sec.

HINT:

Example: Integrated current of -3110 A-sec corresponds to a load where current of 10 A flows out from the battery for 311 seconds.

The integrated current value can be read by checking the Data List item "Integrated Current" using Techstream. The item "Stop&Start Operating Permission (Integrated Current)" shows the permission status of stop and start control (OK or NG) and is judged from the "Integrated Current" value.

Negative integrated current represents battery discharge, and positive represents battery charge. In other words, the "Integrated Current" value of the Data List item will decrease from the present value when the battery is discharged, and the value will increase when the battery is charged.

The engine stop and start ECU determines the amount of power available based on the integrated current value, and it prohibits stop and start control if the value is below the threshold, because the battery might not be able to start the engine.

Integrated Current Condition 1:

When "Status of Battery Charge Control" is Charge Control Coordination Mode, Stop and Start Standalone Mode, Low Temperature Mode or Temperature High/Low Mode:

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Stop and Start System Operation (for Condition 1)

Phase A (previous trip integrated current storage):
When the ignition switch is turned off, the integrated current value is recorded in the ECU memory. The value is carried over to the next trip.
Phase B (stop and start control permitted):
Stop and start control is permitted to stop the engine until the integrated current reaches -16434 A-sec or less.
Phase C (charging):
When the integrated current has dropped to -16434 A-sec or less, stop and start control is prohibited from stopping the engine until the current reaches -15444 A-sec.
Phase D (stop and start control permitted):
Stop and start control is permitted to stop the engine until the integrated current reaches -16434 A-sec or less.

Integrated Current Condition 2:

When "Status of Battery Charge Control" is Stop and Start Restriction Mode:

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Stop and Start System Operation (for Condition 2)

Phase A (previous trip integrated current storage):
When the ignition switch is turned off, the integrated current value is recorded in the ECU memory. The value is carried over to the next trip.
Phase B (stop and start control permitted):
Stop and start control is permitted to stop the engine until the integrated current reaches -990 A-sec or less.
Phase C (charging):
When the integrated current has dropped to -990 A-sec or less, stop and start control is prohibited from stopping the engine until the current reaches 0 A-sec.
Phase D (stop and start control permitted):
Stop and start control is permitted to stop the engine until the integrated current reaches -990 A-sec or less.

HINT:

Performance (internal resistance) of lead-acid batteries used in typical vehicles changes according to the battery fluid temperature. The internal resistance of the battery tends to be higher when the battery fluid temperature is low. Thus, the stop and start system switches the threshold of charging value according to the battery fluid temperature when performing stop and start control.
If the battery is deteriorated, the internal resistance has also increased and the stop and start rate becomes lower. (The total of idling time while the vehicle is stopped increases.)
When troubleshooting, if the malfunction cannot be identified, the battery might be deteriorated.

ACTIVE TEST

HINT:

Using the Techstream to perform Active Tests allows relays, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Powertrain / Stop and Start / Active Test.
Perform the Active Test by referring to the table below.

HINT:

Even if stop and start control is prohibited due to the condition of any of the systems listed above, performing the Active Tests allows stop and start control to be performed.

Powertrain > Stop and Start > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Stop&Start Buzzer	Buzzer activation	ON / OFF	-
Stop&Start Permit Cond (Engine)	When stop by stop and start control is prohibited, prohibition of control based on the SFI system conditions can be disabled/enabled.	ON / OFF	-
Stop&Start Permit Cond (Battery)	When stop by stop and start control is prohibited, prohibition of control based on the battery conditions can be disabled/enabled.	ON / OFF	-
Stop&Start Permit Cond (ABS)	When engine stop by stop and start control is prohibited, prohibition of control based on the brake system condition can be disabled/enabled.	ON / OFF	-
Stop&Start Permit Cond (A/C)	When stop by stop and start control is prohibited, prohibition of control based on the air conditioning conditions can be disabled/enabled.	ON / OFF	-
Stop&Start Precondition2 (Control)	Stop and start control can be permitted/prohibited based on precondition 2	ON / OFF	Condition of permission or prohibition for terms listed below. (Idling, Road Surface Gradient, No Shift Operation, Brake Negative Pressure, Steering, Electromagnetic Oil Pump, Starter Check Complete)
Electromagnetic Oil Pump	Operates the oil pump with solenoid assembly	ON / OFF	Perform this test when the following conditions are met: Ignition switch is ON Engine is stopped
Starter(Hood Close)	Starter activation	ON / OFF	Perform this test when the following conditions are met: Engine is stopped Stop and start control is not operating Engine hood is closed Shift lever in P NOTE: Do not perform Active Test for more than 3 seconds Wait 5 seconds before performing Active Test again
Pinion Gear Plunger(Hood Close)	Starter pinion gear can be moved inward/outward	ON / OFF	Perform this test when the following conditions are met: Engine is stopped Stop and start control is not operating Engine hood is closed Shift lever in P NOTE: Do not perform Active Test for more than 3 seconds Wait 5 seconds before performing Active Test again
Starter Motor Drive Magnet Switch(Hood Close)	Starter motor can be turned on/off	ON / OFF	Perform this test when the following conditions are met: Engine is stopped Stop and start control is not operating Engine hood is closed Shift lever in P NOTE: Do not perform Active Test for more than 3 seconds Wait 5 seconds before performing Active Test again