Lexus ES: Vehicle Control History
VEHICLE CONTROL HISTORY
CHECK VEHICLE CONTROL HISTORY (HYBRID CONTROL SYSTEM)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Hybrid Control / Utility / Vehicle Control History (RoB).
Powertrain > Hybrid Control > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
| FFD Group | Code | Tester Display | Measurement Item | Diagnostic Note |
|---|---|---|---|---|
| - | X0450 | Hybrid Battery Pack Sensor Module Mismatch | Displays if the wrong type of battery voltage sensor is installed. | |
| - | X0460 | Hybrid Battery Cooling Performance Decrement | History of poor HV battery cooling performance | |
| - | X0500 | Shift P Operation during Running | History of shift lever being moved to P while driving | - |
| - | X0509 | Shift R/D Operation during Ready OFF | History of shift lever being moved to R or D with power switch on (IG) | - |
| - | X050B | Shift N Change by Busy Shift | History of shift state being changed to neutral (N) due to shift lever being repeatedly moved to R, D and/or N within a short period of time | - |
| - | X0520 | HV System Start Up Failure by Very Low Temperature | History of hybrid control system failing to start due to extremely cold environment | - |
| - | X0521 | HV System Start Up Failure by Immobiliser Unmatch | History of hybrid control system failing to start due to immobiliser system key verification failure | - |
| - | X0522 | Ready ON Failure by Shift Operation | History of the power switch not being turned on (READY) due to a shift operation | - |
| - | X0523 | Auxiliary Battery Voltage Low (HV) | History of drop in hybrid vehicle control ECU power source voltage | Stored when the auxiliary battery voltage to the hybrid vehicle control ECU drops below 9.5 V. |
| - | X0524 | Auxiliary Battery Voltage Low (Inverter) | History of drop in motor generator control ECU (MG ECU) power source voltage | Stored when the auxiliary battery voltage to the motor generator control ECU (MG ECU) drops to 8.0 V or less. |
| - | X0526 | HV System Stop Operation during Running | History of hybrid control system being turned off by pressing power switch while vehicle being driven | Stored when the power switch is turned off when the vehicle speed is 3 km/h (2 mph) or more. |
| - | X0527 | Generator Temperature High | History of extremely high generator (MG1) temperature and hybrid system overheated warning message being displayed | Stored when the generator (MG1) temperature exceeds a certain value. |
| - | X0528 | Generator Inverter Temperature High | History of extremely high generator (MG1) inverter temperature and hybrid system overheated warning message being displayed | Stored when the generator (MG1) inverter temperature exceeds a certain value. |
| - | X0529 | Motor Temperature High | History of extremely high motor (MG2) temperature and hybrid system overheated warning message being displayed | - |
| - | X052A | Motor Inverter Temperature High | History of extremely high motor (MG2) inverter temperature and hybrid system overheated warning message being displayed | Stored when the motor (MG2) inverter temperature exceeds a certain value. |
| - | X052D | Boosting Converter Temperature High | History of extremely high boost converter temperature and hybrid system overheated warning message being displayed | - |
| - | X0530 | Staying Prevention Control | History of operation of retention prevention function | Stored when the engine speed remains in the resonance range. |
| - | X0531 | Hybrid Battery Protection in Neutral Shift Position | History of hybrid battery discharge warning message being displayed when vehicle left with shift lever in N | - |
| - | X0532 | HV Coolant Temperature High | History of extremely high coolant (for inverter) temperature | Stored when the coolant (for inverter) temperature is 65°C or more. |
| - | X0536 | Hybrid Battery Voltage Low | History of hybrid control system starting failure due to low HV battery voltage | - |
| - | X0537 | HV System Start Up Failure by Hybrid Battery Unmatch | History of hybrid control system starting failure due to an inappropriate HV battery | - |
| - | X0539 | Shift R Operation during Forward Movement or Shift D/B Operation during Backward Movement | History of shift lever being moved to R while vehicle moving forward or shift lever being moved to D or B while vehicle moving backward | - |
| - | X053A | Shift Position Uncertain | Shift position cannot be determined | - |
| 02 | X053B | Engine Malfunction (Poor Engine Power) | History of vehicle state during engine malfunction (poor engine power) (This information can be helpful for performing troubleshooting.) | Stored when the ECM stores an SFI system DTC. Make sure to clear Vehicle Control History after performing troubleshooting related to this item. As all Vehicle Control History should be cleared after performing troubleshooting related this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History. |
| 02 | X053C | Engine Malfunction (Engine does not Start) | History of vehicle state during engine malfunction (engine does not start) (This information can be helpful for performing troubleshooting.) | Stored when the ECM stores an SFI system DTC. Make sure to clear Vehicle Control History after performing troubleshooting related to this item. As all Vehicle Control History should be cleared after performing troubleshooting related this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History. |
| 02 | X053D | Engine Malfunction (Crankshaft Position Sensor Signal) | History of vehicle state during engine malfunction (abnormal crankshaft position sensor signal) (This information can be helpful for performing troubleshooting.) | Stored when the ECM stores an SFI system DTC. Make sure to clear Vehicle Control History after performing troubleshooting related to this item. As all Vehicle Control History should be cleared after performing troubleshooting related to this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History. |
| 02 | X053E | Engine Malfunction (GO Signal) | History of vehicle state during engine malfunction (GO signal) (This information can be helpful for performing troubleshooting.) | Stored when the ECM stores an SFI system DTC. Make sure to clear Vehicle Control History after performing troubleshooting related to this item. As all Vehicle Control History should be cleared after performing troubleshooting related to this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History. |
| 02 | X053F | Engine Malfunction (Component Malfunction) | History of vehicle state during engine malfunction (engine component malfunction) (This information can be helpful for performing troubleshooting.) | Stored when the ECM stores an SFI system DTC. Make sure to clear Vehicle Control History after performing troubleshooting related to this item. As all Vehicle Control History should be cleared after performing troubleshooting related to this item, make sure to check any other output Vehicle Control History items and perform any troubleshooting for them before clearing Vehicle Control History. |
| - | X0541 | Driver Exited Vehicle when Shift Position Wasn't P | History of vehicle speed exceeding threshold after driver left vehicle with shift lever in any position other than P | - |
| - | X054C | Accelerator Depress when Shift P Position during Ready ON | History of accelerator pedal depressed when shift lever in P and power switch on (READY) | - |
| 0c | X055D | Limit to Charge / Discharge Control Value by Hybrid Battery Temperature High | History of HV battery charge/discharge being restricted If the temperature of the HV battery becomes approximately 44°C (111.2°F) or higher due to high ambient temperature, high cabin temperature, continuous driving under high load (such as mountain driving or frequent acceleration/deceleration), clogged hybrid battery intake duct, etc., the HV battery current will be restricted In this case the value of WIN/WOUT will decrease and the engine will stop and start less frequently. |
|
| 0d | X055E | Limit to Charge / Discharge Control Value by Hybrid Battery | Indicates whether Win/Wout is restricted due to causes other than HV battery temperature. | - |
| - | X0600 | Auxiliary Battery Voltage Low at Start | History of low auxiliary battery voltage at hybrid control system start | - |
| - | X0601 | Auxiliary Battery Voltage Low at IG OFF | History of low auxiliary battery voltage when power switch off | - |
| - | X0602 | Auxiliary Battery Discharge at IG OFF | History of auxiliary battery becoming discharged when power switch off | - |
| fb | X0603 | Auxiliary Battery Discharge at Running | History of auxiliary battery becoming discharged while vehicle being driven | - |
CLEAR VEHICLE CONTROL HISTORY (HYBRID CONTROL SYSTEM)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Enter the following menus: Powertrain / Hybrid Control / Utility / Vehicle Control History (Clear).
NOTICE:
By performing this procedure, all stored Vehicle Control History items will be cleared.
VEHICLE CONTROL HISTORY FREEZE FRAME DATA (HYBRID CONTROL SYSTEM)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Hybrid Control / Utility / Vehicle Control History (RoB).
Powertrain > Hybrid Control > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
(e) Select a vehicle control history item to access the applicable freeze frame data.
(f) Check the freeze frame Data recorded with the Vehicle Control History.
| Techstream Display | Description |
|---|---|
| Target Engine Power | Refer to DATA LIST / ACTIVE TEST |
| Execute Engine Power | ↑ |
| Target Engine Revolution | ↑ |
| Starter Switch Signal | ↑ |
| Engine Idling Request | ↑ |
| Engine Start Request (A/C) | ↑ |
| Engine Start Request (Engine Warm-up) | ↑ |
| Engine Start Request (Hybrid Battery Charging) | ↑ |
| Engine Mode | ↑ |
| Engine Stop Request | ↑ |
| Engine Stop F/C Status | ↑ |
| Lack of Fuel | ↑ |
| Accelerator Position | ↑ |
| Accelerator Pedal Status | ↑ |
| Master Cylinder Control Torque | ↑ |
| Shift Position | ↑ |
| Shift Position (Meter) | ↑ |
| Shift Position Sensor (PNB) | ↑ |
| Shift Position Sensor (PR) | ↑ |
| Shift Position Sensor (DB1) | ↑ |
| Shift Position Sensor (DB2) | ↑ |
| Shift Position Sensor (N) | ↑ |
| Shift Position Sensor (R) | ↑ |
| Shift Position Sensor (P) | ↑ |
| Sports Shift Position | ↑ |
| Sports Shift UP Signal | ↑ |
| Sports Shift DOWN Signal | ↑ |
| Transaxle Oil Temperature | ↑ |
| FR Wheel Speed | ↑ |
| FL Wheel Speed | ↑ |
| RR Wheel Speed | ↑ |
| RL Wheel Speed | ↑ |
| Atmospheric Pressure | ↑ |
| Ambient Temperature | ↑ |
| Smoothed Value of BATT Voltage | ↑ |
| Total Distance Traveled | ↑ |
| Total Distance Traveled - Unit | ↑ |
| IGB Signal Status | ↑ |
| IG2 Signal Status | ↑ |
| Ready Signal | ↑ |
| Request READY ON Prevention (Hybrid Battery Pack Sensor Module Mismatch) | Request ready on prevention (Hybrid battery pack sensor module mismatch) |
| HV Activate Condition | Refer to DATA LIST / ACTIVE TEST |
| MG Activate Condition | ↑ |
| DSS Control Status | ↑ |
| Generate Torque (Request from DSS) | ↑ |
| Primary Driving Force Adjustment Result | ↑ |
| WIN Control Limit Power | ↑ |
| WOUT Control Limit Power | ↑ |
| A/C Consumption Power | ↑ |
| EV Mode | ↑ |
| EV Mode Switch | ↑ |
| Sport Mode Switch | ↑ |
| Normal Mode Switch | ↑ |
| Airbag Status (Collision) | ↑ |
| Airbag Status (Normal) | ↑ |
| Crank Position | ↑ |
| Generator Revolution | ↑ |
| Target Generator Torque | ↑ |
| Generator Torque | ↑ |
| Motor Revolution | ↑ |
| Target Motor Torque | ↑ |
| Motor Torque | ↑ |
| Request Motor Regenerative Brake Torque | ↑ |
| Motor Regenerate Brake Execution Torque | ↑ |
| Generator Temperature | ↑ |
| Motor Temperature | ↑ |
| Generator Inverter Temperature | Generator inverter temperature |
| Motor Inverter Temperature | Refer to DATA LIST / ACTIVE TEST |
| Generator Inverter Operation Request | ↑ |
| Motor Inverter Operation Request | ↑ |
| Boosting Converter Operation Request | ↑ |
| Generator Carrier Frequency | ↑ |
| Generator Control Mode | ↑ |
| Motor Carrier Frequency | ↑ |
| Motor Control Mode | ↑ |
| Boosting Converter Carrier Frequency | ↑ |
| VL-Voltage before Boosting | ↑ |
| VH-Voltage after Boosting | ↑ |
| Boost Ratio | ↑ |
| DC/DC Converter Output Voltage Control Mode | DC/DC converter output voltage control mode |
| DC/DC Converter Target Voltage | DC/DC converter target voltage |
| DC/DC Converter Maximum Output Status | DC/DC converter maximum output status |
| Inverter Coolant Water Temperature | Refer to DATA LIST / ACTIVE TEST |
| Inverter Water Pump Revolution | ↑ |
| Inverter Emergency Shutdown (Main CPU) | ↑ |
| Inverter Emergency Shutdown (Sub CPU) | ↑ |
| Hybrid Battery Voltage | ↑ |
| Hybrid Battery Current for Hybrid Battery Control | ↑ |
| Hybrid Battery Current for Hybrid Battery Control (with Correction) | Hybrid battery current for hybrid battery control (with correction) |
| Hybrid Battery SOC | Refer to DATA LIST / ACTIVE TEST |
| Hybrid Battery Cooling Fan 1 Integrated Airflow | Hybrid battery cooling fan integrated airflow |
| Target Hybrid Battery Temperature | Target hybrid battery temperature |
| Hybrid Battery Maximum Temperature | Highest measured temperature of the HV battery |
| Hybrid Battery Minimum Temperature | Lowest measured temperature of the HV battery |
| Hybrid Battery Cooling Fan Intake Air Temperature 1 | Battery cooling blower assembly intake air temperature |
| Minimum Voltage of Hybrid Battery Block | Lowest battery block voltage |
| Maximum Voltage of Hybrid Battery Block | Highest battery block voltage |
| Hybrid Battery Block Maximum Delta SOC | Hybrid battery block maximum delta SOC |
| Hybrid Battery Block Maximum Internal Resistance | Hybrid battery block maximum internal resistance |
| Average of Gradient Road Surface | Average of gradient road surface |
| WIN Control Limit Power 2 | Charge control wattage sent from battery voltage sensor to hybrid vehicle control ECU |
| WOUT Control Limit Power 2 | Discharge control wattage sent from battery voltage sensor to hybrid vehicle control ECU |
| Auxiliary Battery Voltage | Refer to DATA LIST / ACTIVE TEST |
| Auxiliary Battery Current | ↑ |
| Smoothed Value of Auxiliary Battery Temperature | ↑ |
| Auxiliary Battery Voltage at Low Voltage Checking Initiation | ↑ |
| Auxiliary Battery Capacity after IG ON | ↑ |
| Auxiliary Battery Capacity after IG OFF | ↑ |
| Estimated Open Ended Auxiliary Battery Voltage when IG OFF | Estimated value of auxiliary battery open circuit voltage when parked |
| Auxiliary Battery Charge Rate | Rate of auxiliary battery charging |
| Auxiliary Battery Charging Rate Accuracy | Accuracy of auxiliary battery charging rate Low / Middle / High / Disable |
| Auxiliary Battery Charging Capacity | Full charge capacity of auxiliary battery |
| Auxiliary Battery Integrated Current | Cumulative auxiliary battery current |
| Charging Control Mode | Charging control mode of auxiliary battery SOC Keep / Auxiliary Charge / Refresh Charge / High/Low Temperature / Abnormal |
| Charging Control Ready Status | Status of charge control being ready |
| Charging Control Working Factor | Rate of charging control operation |
| Average Vehicle Speed during Trip | Average vehicle speed during current trip |
| Auxiliary Battery Integrated Current during Trip | Cumulative auxiliary battery charging current for the current trip |
| Auxiliary Battery Charging Integrated Current when Trip before Last | Cumulative auxiliary battery charging current for the previous trip |
| Auxiliary Battery Discharging Integrated Current when Trip before Last | Cumulative auxiliary battery discharging current for the previous trip |
| Auxiliary Battery Average Current during IG OFF | Average auxiliary battery current when power switch off |
| IG OFF Time just before IG ON | Number of days power switch was off before turned on (IG) |
| Auxiliary Battery Average Current when Auxiliary Battery Voltage Low (during IG OFF) | Average auxiliary battery current when auxiliary battery voltage low and power switch off |
| IG OFF Time when Auxiliary Battery Voltage Low (during IG OFF) | Number of days power switch was off when auxiliary battery low |
| Elapsed Time during Auxiliary Battery Voltage Low | Time of auxiliary battery being low |
| Cruise Vehicle Speed | Refer to DATA LIST / ACTIVE TEST (DYNAMIC RADAR CRUISE CONTROL SYSTEM) |
| Cruise Memory Vehicle Speed | ↑ |
| Cruise Request Throttle Opening Angle | ↑ |
| Cruise Target Acceleration | ↑ |
| Driving Support ECU Target Acceleration | ↑ |
| Cruise Request Driving Force | ↑ |
| Cruise Request Driving Force Feedback Status | ↑ |
| Cruise Control Permission Condition | ↑ |
| Cruise Control Condition | ↑ |
| Cruise Main Switch Operation Condition | ↑ |
| Accelerator Pedal | ↑ |
| Cruise Brake Cancel Switch | ↑ |
| Stop Light Switch Main-CPU | ↑ |
| Stop Light Switch Sub-CPU | ↑ |
| Request Manual Cancel | ↑ |
| Request Automatic Cancel | ↑ |
| Cruise Brake Control Decision | ↑ |
| Cruise Brake Control Permission Condition | ↑ |
CHECK VEHICLE CONTROL HISTORY (SRS AIRBAG)
HINT:
A part of the control history can be confirmed using the vehicle control history.
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