NETWORKING  CAN COMMUNICATION SYSTEM(for HV Model)  FAIL-SAFE CHART  

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

Skid control ECU (brake actuator assembly)

Estimates the driver's intentions based on the speed and force that the brake pedal is depressed and assists the braking force.

Suppresses vehicle instability, such as sliding sideways when cornering and wheel slippage when starting off.

Hybrid vehicle control ECU

Airbag sensor with ECU assembly

Steering sensor

Maintains the brake fluid pressure for 2 seconds when the brake pedal is released when starting off the vehicle from a stop on a slope.

Hybrid vehicle control ECU

Airbag sensor with ECU assembly

Steering sensor

Maintains the brake fluid pressure when the vehicle is stopped.

Hybrid vehicle control ECU

Airbag sensor with ECU assembly

Steering sensor

Applies control to avoid a secondary collision after collision is detected.

Hybrid vehicle control ECU

Airbag sensor with ECU assembly

Performs regenerative cooperative control with the hybrid vehicle system.

Airbag sensor with ECU assembly

Hybrid vehicle control ECU

Function that automatically operates the electronic parking brake when shift position P is selected, and automatically releases the electronic parking brake when shift position D, N, or R is selected.

Obtains information from the forward recognition camera and uses it for control of device operation (pretensioner, airbag for a side collision, pop-up hood) during a collision.

Displays advice or warning.

ECM

Steering sensor

Tire pressure warning ECU and receiver

Skid control ECU (brake actuator assembly)

Power steering ECU with motor assembly

Main body ECU (multiplex network body ECU)

Airbag sensor with ECU assembly

Radio and display receiver assembly

Navigation receiver assembly

Air conditioning amplifier assembly

Certification ECU (smart key ECU assembly)

Forward recognition camera

Hybrid vehicle control ECU

Option connector (bus buffer ECU)

Corrects the engine speed by performing idle up, etc.

Adjusts the air temperature, airflow mode and airflow volume according to the engine coolant temperature.

Performs the engine coolant temperature map calibration and switches compressor lock judgment value based on engine type.

ECM

Hybrid vehicle control ECU

While the ignition switch is ON, control is performed using the default engine coolant temperature value (80°C (176°F)).

While the ignition switch is ON, control is performed using the default value for the engine type.

Determines whether the compressor is locked according to NE.

Limits electrical load control according to the load control level.

Controls the air conditioning system operation condition and panel switch IND output according to the panel switch operation information.

Radio and display receiver assembly

Navigation receiver assembly

Switches air conditioning system control pattern according to destination information.

Switches the air conditioning system operation condition and adjusts the ambient temperature display output value according to the vehicle speed information.

System that changes the power source mode or performs a starter operation request when the ignition switch is operated.

Skid control ECU (brake actuator assembly)

Main body ECU (multiplex network body ECU)

Combination meter assembly

Air conditioning amplifier assembly

Hybrid vehicle control ECU

Option connector (bus buffer ECU)

Recognizes the lane with the front camera and assists the vehicle in driving the center of the road.

ECM

Steering sensor

Skid control ECU (brake actuator assembly)

Power steering ECU with motor assembly

Main body ECU (multiplex network body ECU)

Combination meter assembly

Millimeter wave radar sensor assembly

Hybrid vehicle control ECU

This system assists the driver during lane change in accordance with the road shape and the driving condition of the driver.

ECM

Steering sensor

Skid control ECU (brake actuator assembly)

Power steering ECU with motor assembly

Main body ECU (multiplex network body ECU)

Combination meter assembly

Radio and display receiver assembly

Navigation receiver assembly

Millimeter wave radar sensor assembly

Hybrid vehicle control ECU

Automatically changes to high beam/low beam by detecting preceding vehicles and the surrounding environment (brightness).

ECM

Steering sensor

Skid control ECU (brake actuator assembly)

Power steering ECU with motor assembly

Main body ECU (multiplex network body ECU)

Millimeter wave radar sensor assembly

Provides warning and notification to the driver and surrounding vehicles and decelerates and stops the vehicle if operation by the driver is not detected for a certain amount of time while the lane tracing assist system is activated.

Main body ECU (multiplex network body ECU)

ECM

Hybrid vehicle control ECU

Skid control ECU (brake actuator assembly)

Combination meter assembly

Radio and display receiver assembly

Navigation receiver assembly

Airbag sensor with ECU assembly

Telematics transceiver

Performs pre-crash alarm control, pre-crash brake assist control, pre-crash brake control, output restriction and cancels active steering control when an obstruction is detected.

ECM

Steering sensor

Skid control ECU (brake actuator assembly)

Power steering ECU with motor assembly

Main body ECU (multiplex network body ECU)

Millimeter wave radar sensor assembly

Hybrid vehicle control ECU

PCS warning light illuminates.

Displays messages on the multi-information display.

Displays road signs detected by the forward recognition camera on the combination meter assembly.

Steering sensor

Skid control ECU (brake actuator assembly)

Main body ECU (multiplex network body ECU)

Combination meter assembly

Hybrid vehicle control ECU

Assists the driver in accordance with the driving conditions to help prevent the vehicle from approaching too close to a detectable object.

ECM

Steering sensor

Skid control ECU (brake actuator assembly)

Power steering ECU with motor assembly

Combination meter assembly

Millimeter wave radar sensor assembly

Hybrid vehicle control ECU

Using the millimeter wave radar sensor assembly, 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.

ECM

Steering sensor

Skid control ECU (brake actuator assembly)

Main body ECU (multiplex network body ECU)

Combination meter assembly

Radio and display receiver assembly

Navigation receiver assembly

Telematics transceiver

Millimeter wave radar sensor assembly

Hybrid vehicle control ECU

PCS warning light illuminates.

Displays messages on the multi-information display.

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

System that stops keyless lock operations when the power source mode is on or a door is open, and performs keyless unlock, PSD (left or right side) keyless open, luggage compartment keyless unlock, and hands free power back door operation.

Main body ECU (multiplex network body ECU)

Option connector (bus buffer ECU)

System that stops keyless lock operations when the power source mode is on, a door is open, or the vehicle is being driven, and performs keyless lock, power back door close and unlock, and hands free power back door operations.

Main body ECU (multiplex network body ECU)

Combination meter assembly

Option connector (bus buffer ECU)

System that prevents the key from being locked in the vehicle.

System that performs the transmitter battery charge low alarm, emergency operation display, engine start operation notification, passenger exiting vehicle with key warning, vehicle start attempt with no key warning, engine start possible notification, mislaid key warning, and key confinement in luggage compartment warning.

System that performs immobilizer control and remote engine start.

ECM

Main body ECU (multiplex network body ECU)

Hybrid vehicle control ECU

Option connector (bus buffer ECU)

System that performs steering lock and unlock operations.

Skid control ECU (brake actuator assembly)

Main body ECU (multiplex network body ECU)

System that illuminates and turns off the engine switch/power switch backlight illumination based on the illumination state of the interior lights (dome light, etc.), door open/closed state, etc.

Main body ECU (multiplex network body ECU)

Combination meter assembly

Option connector (bus buffer ECU)

System that registers new keys/adds a key/deletes a key/deletes all keys, and registers the ECU code.

Main body ECU (multiplex network body ECU)

Combination meter assembly

Option connector (bus buffer ECU)

System that performs remote vehicle operations such as lock/unlock.

Main body ECU (multiplex network body ECU)

Option connector (bus buffer ECU)

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

Skid control ECU (brake actuator assembly)

Hybrid vehicle control ECU

Locks and unlocks all doors with a key-linked switch operation.

Locks all the doors when the shift lever is moved from P to a position other than P.

Preconditions:

The ignition switch is ON, all doors are closed and the hybrid system is operating.

Operation conditions:

Shift position is changed from P to other than P.

Unlocks all the doors when the shift lever is moved from a position other than P to P.

Preconditions:

The ignition switch is ON, all doors are closed and the hybrid system is operating.

Operation conditions:

Shift position is changed from P to other than P.

Automatically locks all the doors when the system determines that the vehicle is driven.

Preconditions:

The ignition switch is ON and the hybrid system is operating.

Operation conditions:

Vehicle speed is 20 km/h (12 mph) or more.

Prohibits manual unlock when the vehicle condition has been determined to be in the parked condition after passengers have exited the vehicle and the door lock and door closing operation has been detected.

ECM

Hybrid vehicle control ECU

Switches each auto-lock and auto-unlock function ON/OFF according to user operation.

Locks or unlocks doors according to the smart key switch operation.

Relocks doors in order to prevent theft when a lock is unintentionally opened due to a wireless key unlock switch being operated incorrectly.

Certification ECU (smart key ECU assembly)

Telematics transceiver

Locks or unlocks the doors in response to the smart operations.

Certification ECU (smart key ECU assembly)

Telematics transceiver

Sounds the answer back function when the wireless door lock and unlock operations are performed.

Dome light illuminates when the user approaches the one of the doors while holding the smart key.

Dims the instrument panel, foot light and inside handle illumination when starting to drive.

Changes the direction of the outer mirror when the shift lever is moved to R.

Performs the alarm operation when the system determines that there has been an unauthorized entry into the vehicle based on changes in the states of the door courtesy light switches, etc., while the alarm is set.

ECM

Certification ECU (smart key ECU assembly)

Hybrid vehicle control ECU

Telematics transceiver

If the push start switch is pressed before the alarm is set, the alarm is not set. However, the alarm is set when a certain amount of time elapses after a wireless lock operation is performed.

While the warning alarm is sounding, the warning alarm is not canceled even if a smart key registered to the vehicle is certified and the push start switch is pressed.

When the warning alarm is sounding, it is not canceled even after the ignition switch is turned to ON (READY).

Cancels illumination commands sent to the interior illumination and stops the power supply to suppress battery depletion when the system determines that the vehicle is parked.

Automatically turns lights off when exiting the vehicle with the lights still turned on.

Steering sensor

Certification ECU (smart key ECU assembly)

When the wireless key lock switch is pressed while waiting for the light off delay time (30 seconds) with all the doors locked, the headlights do not turn off.

Even if the light combination switch is operated while waiting until lights are automatically turned off or while lights are automatically being turned off, the headlights and taillights do not turn on/off.

Automatically illuminates/turns off the headlights and taillights according to the automatic light control brightness information when the ignition switch is turned ON and the light combination switch is moved to the AUTO position.

Illuminates/turns off the daytime running lights after determining whether the vehicle is being driven.

Detects the headlights of an oncoming vehicle and automatically switches the headlights from high beams to low beams when the high beams are illuminated and the automatic high beam function is operating.

Detects oncoming vehicles and automatically switches the headlight light distribution when the high beams are illuminated and the adaptive high beam function is operating.

Automatically illuminates the headlights with the light combination switch in the AUTO position and the wipers operating.

Sounds a buzzer to remind the user to turn off the lights when the ignition switch is turned off and the driver door is opened with the light combination switch in TAIL or HEAD position and the taillights illuminated.

Determines the time of day (daytime, twilight to nighttime) according to the light sensor signal and interior illumination state as time changes from twilight to nighttime and links with the tail cancel switch state to dim the interior displays and indicators.

Permits operation of the power windows for 43 seconds after the ignition switch is turned off.

ECM

Hybrid vehicle control ECU

Operates the power window according to wireless key operation.

Displays the open window warning on the combination meter and sounds a single buzzer to remind the user to close the windows when exiting the vehicle with the windows open.

Operates the wipers according to wiper combination switch operation.

Retract/return the outer mirrors in conjunction with the doors locking/unlocking.

Certification ECU (smart key ECU assembly)

Telematics transceiver

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

Hybrid vehicle control ECU

Skid control ECU (brake actuator assembly)

When the ignition switch is ON, the wipers are operating in AUTO and the shift position is in P, the wipers do not stop even if the driver or passenger door is opened.

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

Reminds the user to illuminate the headlights when the vehicle is driven at night with the headlights turned off.

Supplies Power.

Displays the multimedia screen.

Sets the reaction force pattern.

Radio and display receiver assembly

Navigation receiver assembly

Displays the vehicle path lines related to the steering angle.

Controls the screen in accordance with the status of the back door.

Adjusts the vehicle path lines in accordance with the mechanism.

Steering sensor

Power steering ECU with motor assembly

Main body ECU (multiplex network body ECU)

Parts of the guide lines are not displayed.

Some switch icons are grayed out.

Operates the screen using the voice recognition system.

Radio and display receiver assembly

Navigation receiver assembly

Changes the cornering characteristics pattern based on Engine/HV judgement.

Changes the cornering characteristics pattern based on 2WD/4WD judgement.

Changes the switch icon arrangement pattern based on the steering wheel information.

Changes the display pattern based on the destination information.

Calculates battery charge/discharge allowable capacity.

ECM

Hybrid vehicle control ECU

MIL illuminates.

Master warning light illuminates.

Assists with passing signals between the air conditioning amplifier and air conditioning inverter.

Air conditioning amplifier assembly

Main body ECU (multiplex network body ECU)

Attempts to increase the amount of energy recovered by coordinating control with the skid control ECU (brake actuator assembly).

Adjusts the engine and inverter with converter assembly after receiving engine information.

Adjusts with the inverter with converter assembly.

Adjusts with the skid control ECU (brake actuator assembly) and automatically controls vehicle speed.

Determines whether there was a collision according to the airbag signal.

Performs coordinated control with the inverter with converter assembly and ECM.

Performs coordinated control with the hybrid vehicle control ECU and ECM.

The vehicle proximity notification system outputs a sound (speaker) based on the vehicle speed or other input signal, in order to provide a warning to pedestrians/bicycles when a quiet EV/HEV vehicle draws near.

Skid control ECU (brake actuator assembly)

Main body ECU (multiplex network body ECU)

Hybrid vehicle control ECU

Links TPMS transmitter ID with tire positions based on the wheel speed count from the brakes.