Fail-Safe Chart [12/2019 - 09/2020]

• Controls the motor and generator by calculating the optimum voltage and current based on the requested torque value and the rotation angles of the motor and generator.

• Inverter with converter assembly
• Hybrid vehicle control ECU

• ECM
• Hybrid vehicle control ECU
• No. 2 skid control ECU (brake actuator assembly)

• Normal driving possible (regeneration is not performed)

When an ECU other than the No. 2 skid control ECU (brake actuator assembly) is not communicating:

• Normal driving possible

• MIL illuminates.
• Master warning light illuminates.

• Acquires information about passengers for deployment of SRS components.

• Brake warning light / red (malfunction) illuminates.
• Brake warning light/yellow (minor malfunction) illuminates.
• ABS warning light illuminates.
• Slip indicator light illuminates.
• Displays messages on the multi-information display.

• Displays vehicle condition and controls indicator lights.

• ECM
• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Rack and pinion power steering gear assembly
• Main body ECU (multiplex network body ECU)
• Airbag sensor assembly
• Radio receiver assembly
• Radio and display receiver assembly
• Air conditioning amplifier assembly
• Headlight ECU sub-assembly LH
• Multiplex network door ECU
• Blind spot monitor sensor LH
• Forward recognition camera
• Hybrid vehicle control ECU
• Clearance warning ECU assembly
• Certification ECU (smart key ECU assembly)

• Corrects engine speed, such as for idle up.
• Controls outlet air temperature, outlet mode change and airflow volume based on engine coolant temperature signal.
• Corrects engine coolant temperature map and changes compressor lock judgment value.

• ECM
• Hybrid vehicle control ECU

• Determines whether the compressor is locked according to engine speed.
• Determines the engine status according to engine speed.

• Performs electric load control according to load control level signal.

• Outputs dimming information to the A/C panel according to the display dimming information.

• Switches the A/C control pattern according to the destination information.

• Switches air conditioning system operation condition and corrects value of displayed ambient temperature according to vehicle speed signal.

• Control is performed based on default vehicle speed of 0 km/h (0 mph).
• Correction level for displayed ambient temperature declines.
• Correction level for outlet airflow declines.

• Entry lock/unlock, entry back door open.
• Warning
• Performs entry illumination (interior illumination etc.).
• Displays messages to inform the driver that it is possible to start the hybrid control system.

• ECM
• Main body ECU (multiplex network body ECU)
• Combination meter assembly

• Warning functions (key confinement, key not in vehicle, key reminder etc.) do not operate, engine start enabled display does not operate, key confinement prevention control does not operate.
• Entry lock/unlock or entry luggage compartment open does not operate.
• Entry illumination does not operate.
• The answer back function repeats a maximum of 3 times when an unlock operation is performed. However, only if the main body ECU (multiplex network body ECU) is able to receive a request from the certification ECU (smart key ECU assembly).
• Wrong entry warning is output.

• Operates the wireless lock/unlock functions, etc.

• Turns on/off power switch illumination linked with interior lights etc.

• When the power switch backlight is not illuminated:

  Does not illuminate.

• When the power switch backlight is illuminated:

  Does not turn off.

• Displays the immobiliser security condition.

• Main body ECU (multiplex network body ECU)
• Hybrid vehicle control ECU

• Security condition cannot display normally (illuminates during security warning preparation/security warning).
• Entry and start warning cannot display normally.
  • When the hybrid control system is activated, the message to show how to activate the hybrid control system does not turn off immediately.
  • When the hybrid control system is activated, the low key battery warning is not displayed.

• Changes the power source mode using the power switch signal as a trigger and requests the hybrid system to start when conditions are met.

• Main body ECU (multiplex network body ECU)
• Combination meter assembly
• Hybrid vehicle control ECU

• Hybrid system start operation message is not displayed.
• Power switch indicator blinks in red.

• Detects vehicle in blind spot of adjacent lane and informs driver.

• Yaw rate sensor
• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Hybrid vehicle control ECU

• Displays messages on the multi-information display.
• BSM OFF indicator light illuminates.

• Outputs information regarding the detection of the headlights and tail lights of other vehicles by the forward recognition camera to the main body ECU (multiplex network body ECU).

• Yaw rate sensor
• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Millimeter wave radar sensor assembly
• Hybrid vehicle control ECU

• Displays messages on the multi-information display.
• Automatic high beam indicator light illuminates.

• Sends shared calculations and detection results to each application inside the forward recognition camera.

• Yaw rate sensor
• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Hybrid vehicle control ECU

• Performs control based on the signals received before the malfunction occurred.
• Detection is disabled.

• Alerts the driver of the possibility of lane departure and performs steering control to assist the vehicle in returning to the center of the road.

• Yaw rate sensor
• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Rack and pinion power steering gear assembly
• Combination meter assembly
• Millimeter wave radar sensor assembly
• Hybrid vehicle control ECU

• Displays messages on the multi-information display.
• Lane departure alert/lane tracing assist indicator light (amber) illuminates.

• Helps center the vehicle in the lane using lane detection by the forward recognition camera.

• Performs pre-collision alarm control, pre-collision brake assist control and pre-collision brake control when an obstruction is detected.

• Yaw rate sensor
• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Millimeter wave radar sensor assembly
• Hybrid vehicle control ECU

• Displays messages on the multi-information display.
• PCS warning light illuminates.

• Displays traffic signs on the multi-information display according to the traffic signs recognized by the forward recognition camera.

• Yaw rate sensor
• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Combination meter assembly
• Hybrid vehicle control ECU

• Using the millimeter wave radar sensor assembly, yaw rate sensor, steering sensor, etc., detects the preceding vehicle and maintains a suitable distance by accelerating or braking, and maintains the set vehicle speed when no preceding vehicle is detected.

• Yaw rate sensor
• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Combination meter assembly
• Millimeter wave radar sensor assembly
• Hybrid vehicle control ECU

• Senses the preceding vehicle (measures distance) and outputs the result as target information (distance, side position, etc.).

• Displays messages on the multi-information display.
• PCS warning light illuminates.

• Calculates assist current according to torque sensor value and vehicle speed and drives motor.

• No. 2 skid control ECU (brake actuator assembly)
• Hybrid vehicle control ECU

• Assist force restricted.
• The steering feel becomes worse (compensation control using the steering angle is stopped).
• Zero point learning is not performed.

• Selects proper assist map according to destination, engine type, etc.

• Hybrid vehicle control ECU
• No. 2 skid control ECU (brake actuator assembly)

• Calculates the current to be used for the steering assist according to the command value from the No. 2 skid control ECU (brake actuator assembly), and then operates the motor.

• Calculates the current to be used for assist according to the commanded torque value from the forward recognition camera and then operates the motor.

• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Forward recognition camera

• Used for correction of the distance measured using the ultrasonic sensors.

• Judges the destination and uses the information for an operation condition for the app.
• Judges the handle position and uses the information for an operation condition for the app.

• Is used as an operation condition for the app.

• Judges the engine/transmission model and switches the control constant table.
• Is used as an operation condition for the app.
• Determines whether the vehicle is 2WD or AWD and switches the steering parameter table.
• Is used as an operation condition for the IPA app.

• Judges whether the engine is on or off.
• Is used as an operation condition for the app.

• Is used as an operation condition for the app.

• Is used as an operation condition for the app.

• Is used as an operation condition for the app.

• Is used as an operation condition for the app.

• Is used as an operation condition for the ICS.
• Is used as an operation condition for the clearance warning ECU assembly.

• Is used as an operation condition for the clearance warning ECU assembly.

Steering sensor Calculated Value

• Is used as an operation condition for the app.

VGRS Setting Availability Information

• Is used as an operation condition for the app.

• The wheel speed signal from each wheel (after 1/2 filter) is used to calculate the vehicle speed.

• Is used as an operation condition for the app.

During ABS Control

• Is used as an operation condition for the app.

• Is used as an operation condition for the app.

• Is used as an operation condition for the app.

• Is used as an operation condition for the app.

• Calculates the amount of movement.

• Is used as an operation condition for the app.

• Displays the current vehicle speed.

• Vehicle speed displayed value: Displays 0.
• Vehicle speed unit: Is not displayed.

• Displays the current engine speed on the head up display using the engine speed signal sent from the engine.

• Adjusts the brightness of the display.

• Adjusts the rotation of the display.

• Displays the HV indicator on the head up display using the HV indicator signal sent from the hybrid vehicle control ECU.

• Displays the shift position.

• Displays traffic signs (such as speed limit signs) using the traffic sign signal sent from the forward recognition camera.

• Displays the road surface ice display mark and ambient temperature on the headup display using the ambient temperature signal sent from the air conditioning amplifier assembly.

• Displays an icon representing the preceding vehicle, set vehicle-to-vehicle distance and set speed.

• Displays the clearance sonar detection condition on the headup display using the clearance sonar display signal sent from the clearance warning ECU assembly.

• Displays the operation status of the parking support brake system.

• Displays the master caution icon and messages on the headup display using the master caution display signal sent from the combination meter assembly.

• Hides information icons and messages.

• Memorizes and recalls the headup display position in response to the seat position signal sent from the main body ECU (multiplex network body ECU).

• Switches the display content between on and off.

• Displays the BOS operation condition on the head up display using the BOS display signal sent from the engine.

• Displays the DSC operation condition on the head up display using the DSC display signal sent from the engine.

• Switches the language displayed on the head up display (multi-media-linked text) to match the language set by the radio receiver assembly or radio and display receiver assembly.

• Radio receiver assembly
• Radio and display receiver assembly

• Switches the tachometer units and ambient temperature units according to the destination.

• Controls the illumination of the low beams, high beams, daytime running lights and clearance lights.

• Headlight ECU sub-assembly LH
• Headlight ECU sub-assembly RH

• High beams: Off (maintains previous value for 3 seconds after stopped).
• AFS: Operates with the beam axis facing forward.
• Adaptive high beam system: Stopped (maintains low beam).

• Judges swivel operation.

• Hybrid vehicle control ECU
• Steering sensor

• Judges leveling operation.
• Judges swivel operation.

• Dynamic headlight leveling: Continues control with the vehicle speed set to 0.
• AFS: Operates with the beam axis facing forward.

• Controls key linked and automatic door lock/unlock function, key confinement prevention function, etc.

• Enables or disables each power door lock or unlock function in accordance with user operation.

• Locks or unlocks doors using the entry lock/unlock operation.

• Locks or unlocks doors using the entry lock/unlock operation.

• Sounds when the doors are locked/unlocked by wireless operation.

• Unlocks and unlatches the back door when the back door opener switch assembly is pushed and held with the back door locked.

• Prevents the washer nozzle from freezing due to low temperature.

• Memorizes and recalls memory switch.
• Memorizes and recalls memory call.

• Combination meter assembly
• Outer mirror control ECU assembly RH
• Outer mirror control ECU assembly LH
• Position control ECU assembly LH
• Certification ECU (smart key ECU assembly)
• No. 2 skid control ECU (brake actuator assembly)

• The seat, etc., are commanded to stop operating.
• Memory call registration: The operation is stopped due to timing out while waiting for the verification results.

• Illuminates when approaching any of the doors while holding an entry key.

• Dims the illumination of the instrument panel ambient illumination lights or ambient illumination lights when the vehicle starts driving.

• In the armed state, the alarm function judges break-in according to changes in door courtesy status and the alarm sounds.

• Hybrid vehicle control ECU
• Certification ECU (smart key ECU assembly)
• ECM

• After the vehicle is locked using wireless operation, pressing the push start switch before the alarm is set does not unset the alarm and, after a specified period of time, the alarm will be set.
• While in the alarm sounding state, the alarm is not canceled when the ignition switch is turned to ON (READY).
• When the alarm is sounding, the alarm is not canceled when the engine has been started.

• When it is determined that the vehicle is parked, stops sending illumination request signals and cuts power to the interior lights to avoid a depleted battery.

• Detects an open circuit or a malfunctioning ECU in the LED headlight system and informs the driver of the malfunction.

• ECM
• Hybrid vehicle control ECU

• When an LED headlight malfunction is detected, the LED headlight warning display is not displayed when the low beam headlights are turned on when the hybrid control system has been started.
• When an LED headlight malfunction is detected, the LED headlight warning display is not displayed when the low beam headlights are turned on when the ignition switch is turned to ON (READY).

• Determines whether it is daytime or nighttime based on the automatic light control sensor signals and, when it is determined that it is nighttime or dark, dims the meter illumination according to interior light illuminations and tail cancel switch state.

• Permits the power window to operate for 43 seconds after the ignition switch is turned off.

• ECM
• Hybrid vehicle control ECU

• Power window operation is not permitted even when the engine is started.
• Power window operation is not permitted even when the ignition switch is turned to ON (READY).

• Suggests that the driver turns the headlights on when the headlights are not illuminated while driving at night.

• Stops the wipers when a door is opened while the wipers are operating.

• Hybrid vehicle control ECU
• No. 2 skid control ECU (brake actuator assembly)

• When the ignition switch is turned to ON, the wipers are operating in AUTO mode and the shift lever is in P, even if the driver or passenger door is opened, the wipers do not stop.
• When the ignition switch is turned to ON, the wipers are operating in AUTO mode and the electric parking brake is locked, even if the driver or passenger door is opened, the wipers do not stop.

• Controls the high beam automatically when the forward recognition camera detects a preceding vehicle or an oncoming vehicle.

• Headlight ECU sub-assembly LH
• Forward recognition camera

• Judges that an object has been placed on a rear seat when a rear door is opened and closed.
• Provides a notification to prevent objects from being left in the rear seats when the driver exits the vehicle.

• ECM
• Hybrid vehicle control ECU

• Controls each function of the air conditioning system, such as the air temperature, to control the temperature and air inlets according to the operation of the touch screen on the navigation display.

• Air conditioning system indicators turn off.
• If set temperature is shown on multi-information display or multi-display, set temperature display turns off.

• Controls the settings for the clearance sonar screen notifications which are set by touch switch operation, displays the sonar status and plays voice warnings.

• Radio receiver assembly
• Radio and display receiver assembly

• Hybrid vehicle control ECU
• Clearance warning ECU assembly

• Displays graph of fuel consumption per minute and history of total fuel consumption.

• Radio receiver assembly
• Radio and display receiver assembly

• ECM
• No. 2 skid control ECU (brake actuator assembly)
• Hybrid vehicle control ECU
• Combination meter assembly

• The fuel consumption calculation is not performed.
• The existing data is cleared and the per-minute fuel consumption calculation resumes after normal data is received again.
• If the fuel consumption display scale signal (FC_SCL) or drive monitor unit signal (UNIT_6) cannot be received from the combination meter assembly, the display shows the last known value.
• If the following data cannot be received from the combination meter assembly, nothing is displayed on the fuel consumption display. If there is a communication error, nothing is displayed on the fuel consumption display until communication returns to normal.
  • Current fuel consumption/Average speed (after start)/Elapsed time (after start)/Drivable distance
• If the following data cannot be received from the combination meter assembly, the previous data is displayed. If there is no previous data, nothing is displayed on the fuel consumption display. If there is a communication error, the last known data is displayed on the fuel consumption display until communication returns to normal.
  • section average fuel consumption (latest graph)

• Creates energy flow screen which indicates regeneration status and drive force transmission status.

• Radio receiver assembly
• Radio and display receiver assembly

• Energy flow is not displayed (only the energy flow route is displayed).
• The last valid SOC of the HV battery is displayed.

• Identifies destination based on destination and destination package information, and selects the time zone and language used for the display.

• Radio receiver assembly
• Radio and display receiver assembly

• Changes the behavior and control parameters of various functions (illumination lighting time, etc.) according to the user operation via the screen.

• Radio receiver assembly
• Radio and display receiver assembly

• Main body ECU (multiplex network body ECU)
• Air conditioning amplifier assembly
• Certification ECU (smart key ECU assembly)
• Position control ECU assembly LH

• The process will be performed regardless of the main body ECU (multiplex network body ECU) remote communication permit/prohibit state.
• The enter button is grayed out and selection is not possible.
• Performs customization according to diagnostic communication.
• Retries 3 times.

• Displays images from the rear view camera.

• Radio receiver assembly
• Radio and display receiver assembly

• Displays the image from the rear view camera with the predicted path guide lines, vehicle width extension guide lines and distance guide lines overlaid when reversing.

• Radio receiver assembly
• Radio and display receiver assembly

• Hybrid vehicle control ECU
• Rear television camera assembly

• When in camera diagnostic mode, transitions to the multi-media screen and the multi-media diagnosis screen starts.
• When DTC C1610 is stored, current DTC C1610 is cleared.
• Sends reactive force setting completion notifications and pointer coordinates as a setting signal for each error when it occurs. Treats the camera screen pattern as a setting signal for each error when it occurs, and performs the reactive force setting when the camera image is displayed.
• When in camera mode, transitions to the multi-media screen (the camera screen is displayed).

• Changes display based on customization information set through the meter.
• Outputs the customization information set in the system.

• Radio receiver assembly
• Radio and display receiver assembly

• Language, unit and accent color linking: Maintains the last valid settings.
• GS search: Performs control without confirming if there is a GS search request. Uses the last valid settings. Grays out the settings to prevent them from being changed when displayed.

• Receives flags from the millimeter wave radar sensor assembly to operate the alarm, and limits or mutes multimedia audio while the alarm is in operation.

• Radio receiver assembly
• Radio and display receiver assembly

• ECUs for the multiple camera system, etc.

• Parking assist ECU
• Hybrid vehicle control ECU

• When in camera diagnostic mode, transitions to the multi-media screen and the multi-media diagnosis screen starts.
• When DTC C1610 is stored, current DTC C1610 is cleared.
• Sends reactive force setting completion notifications and pointer coordinates as a setting signal for each error when it occurs. Treats the camera screen pattern as a setting signal for each error when it occurs, and performs the reactive force setting when the camera image is displayed.
• When in camera mode, transitions to the multi-media screen (the camera screen is displayed).

• Monitors the shift position signal, steering angle signal and vehicle speed, and displays the predicted path guide lines on the screen based on the steering angle when reversing.

• Steering sensor
• Main body ECU (multiplex network body ECU)
• Radio receiver assembly
• Radio and display receiver assembly
• Blind spot monitor sensor LH
• Clearance warning ECU assembly
• Hybrid vehicle control ECU

• Predicted path guide lines are not displayed.
• All guide lines, the clearance sonar icon and rear cross traffic alert icon are not displayed.
• Switches on the screen are grayed out.

• Displays the bird's-eye view, back view, side view and front view of the vehicle on the multi-display assembly.
• Displays guide lines on the panoramic view monitor screen.
• Displays the detection area of the clearance sonar sensor.
• Displays the detection status of the rear cross traffic alert.
• Displays the detection status of each camera.

• Hybrid vehicle control ECU
• Steering sensor
• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Radio receiver assembly
• Blind spot monitor sensor LH
• Rear television camera assembly
• Clearance warning ECU assembly

• Predicted path guide lines are not displayed.
• All guide lines, the clearance sonar icon and rear cross traffic alert icon are not displayed.
• Switches on the screen are grayed out.

• "!" is displayed on the camera screen.
• Displays messages on the multi-information display.

• Controls the operation of the outer mirrors based on signals such as the mirror switch signal from the main body ECU (multiplex network body ECU).

• Outer mirror control ECU assembly LH
• Outer mirror control ECU assembly RH

• Controls the operation of the outer mirror heaters based on defogger switch information from the main body ECU (multiplex network body ECU).

• Outer mirror control ECU assembly LH
• Outer mirror control ECU assembly RH

• Main body ECU (multiplex network body ECU)
• Air conditioning amplifier assembly

• Controls retract/return operation of the outer mirrors based on signals such as mirror switch signal from main body ECU (multiplex network body ECU).

• Outer mirror control ECU assembly LH
• Outer mirror control ECU assembly RH

• Controls the reverse operation of the outer mirrors based on reverse request information from the main body ECU (multiplex network body ECU).

• Outer mirror control ECU assembly LH
• Outer mirror control ECU assembly RH

• Memorizes the mirror surface positions based on the memory request signal from the main body ECU (multiplex network body ECU) and adjusts the outer mirror surfaces to the memorized positions.

• Outer mirror control ECU assembly LH
• Outer mirror control ECU assembly RH

• Automatically opens the back door according to the operation conditions (power source mode, shift position, vehicle speed, lock position) and switch operation (driver seat/wireless).
• Automatically closes the back door according to the switch operation (driver seat/wireless).

• Hybrid vehicle control ECU
• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Combination meter assembly
• Certification ECU (smart key ECU assembly)

• The automatic trunk open function is not operated.
• The automatic trunk close function cannot reverse operation during operation.

• If a wireless switch operation is performed with the doors locked, the back door is automatically opened.

• Hybrid vehicle control ECU
• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Combination meter assembly

• Opens the back door according to operation conditions (power source mode, vehicle speed, lock position) and the back door handle switch.

• Main body ECU (multiplex network body ECU)
• Combination meter assembly
• Certification ECU (smart key ECU assembly)

• Completely closes the back door when it is ajar.

• Main body ECU (multiplex network body ECU)
• Combination meter assembly

• Enables the buzzer sound pressure, main switch, door fully open position and kick sensor to be customized using the combination meter.

• System which warns pedestrians, cyclists, etc. of the approaching EV/HEV vehicle by outputting an audible sound depending on various inputs such as vehicle speed, etc.

• No. 2 skid control ECU (brake actuator assembly)
• Main body ECU (multiplex network body ECU)
• Hybrid vehicle control ECU

• The vehicle speed is set to 0 km/h. (Sound is not output based on vehicle speed.)
• The shift information is set to P. (Sound is not output.)