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EnglishQuick Reference Guide -> SPORT HYBRID i-MMD-intelligent Multi-Mode Drive for your Honda CR-V 2022-2025
SPORT HYBRID i-MMD (intelligent Multi-Mode
Drive)
Your SPORT HYBRID i-MMD vehicle uses both an electric motor and a gasoline engine as propulsion sources, with the electric motor
receiving electricity from an internal High Voltage battery and/or internal generator. The High Voltage battery is charged from the
generator driven by the engine or regenerative braking.
When driving, your vehicle is propelled exclusively by the electric motor, exclusively by the gasoline engine, or by a combination of the two.
The system selects which propulsion source is most appropriate and automatically switches to it. Under certain circumstances, pressing the
EV button can manually enable EV (driven only on electricity) mode.
● Energy efficiency
As with a gasoline-powered vehicle, hybrid vehicle fuel efficiency and driving range is most impacted by your driving style. Aggressive
acceleration and high-speed driving can easily trigger the system to switch the propulsion source to the gasoline-powered engine.
In addition, heavy climate control system use negatively affects vehicle range and efficiency. Either of these use patterns will more quickly
reduce the High Voltage battery's state of charge.
● Battery types
There are two types of batteries used in this vehicle; a standard 12-volt battery that powers the airbags, the interior and exterior lights, and
other standard 12-volt systems; and a high voltage battery that is used to power the propulsion motor and recharge the 12-volt battery.
* Not available on all models
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SPORT HYBRID i-MMD SYSTEM MAIN COMPONENTS
Gasoline Engine– Runs the generator and under certain
conditions, drives the wheels directly.
Generator– Starts the engine and generates electric power
when driven by the gasoline engine to supply electricity to
power the electric motor and/or to charge the High Voltage
battery.
Electric Motor– Provides propulsion to drive the wheels in
conjunction with the gasoline engine in certain conditions and
provides electricity to the High Voltage battery through
regenerative braking.
High Voltage
Battery
High Voltage Battery– Provides electrical storage and serves
as a power source for the electric motor.
Learning about the High Voltage battery’s characteristics will
help you get the best handling and maximize the range of your
electric vehicle. (P502)
Generator & Electric Motor
Gasoline Engine
High Voltage Battery Charge Level Indicator– Displays
battery state of charge.
When the indicator:
• Displays two or less segments, EV mode is no longer available.
• Displays ten segments, battery charge level is full.
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Vehicle Speed
Time
Operating
mode
Electric Vehicle (EV)
Hybrid (HV)
Engine (Direct Drive)
Regeneration
Stopped or driven at low speeds: Driven in high-load conditions
Driven in high-speed, low-load The accelerator pedal is released
and the vehicle is decelerating.
●
Only the electric motor
provides propulsion to the
wheels.
(e.g., when accelerating, going conditions:
●
●
uphill):
The gasoline engine provides
propulsion to the wheels.
The High Voltage battery
supplies electricity to the electric
motor for added propulsion.
The electric motor provides electricity
to the High Voltage battery through
regenerative braking.
The electric motor provides
electricity to the High Voltage
battery through regenerative
braking.
●
The Electric Motor provides
●
propulsion to the wheels.
The gasoline engine drives the
generator, supplying electricity
to the electric motor for added
propulsion or to the High
Driving state
●
●
Voltage battery for charging.
Power Flow
Monitor
Electric motor
Generator
Engine
Stopped/Running
Stopped
Running
Generating
Generating/Running
No Output
Regenerating
Stopped/No Output
Stopped/No Output
Charging
Stopped
Running
Running
High Voltage
battery
Discharge
Charging/Discharge
Charging/Discharge
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EV Button
EV mode is enabled by pressing the EV button near the shift
button.
The EV mode indicator comes on in the instrument panel when EV
mode is enabled.
Press the EV button again to switch back to HV mode.
Some conditions, such as a low High Voltage battery level and a
high vehicle speed, may keep the system from manually switching
into EV mode. The beeper sounds and a message appears on the
driver information interface with the button pressed when EV
mode is disabled.
Shifts in vehicle, driving, or road conditions may automatically
cancel EV mode and switch back to HV mode.
A message will appear on the driver information interface and EV mode may be canceled automatically when:
● The High Voltage battery charge level is low.
● Your vehicle speed is too high.
● Your vehicle speed is above 25 mph (40 km/h) while the engine is in warming-up operation.
● You fully depress the accelerator pedal.
● You are driving on hilly road.
2 Driver Information Interface Warning and Information Messages (P109)
In EV mode, the acoustic vehicle alerting system is on.
2 Acoustic Vehicle Alerting System (P488)
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● Regenerative Energy and Regenerative Braking
When regenerative braking is in
operation
When decelerating without the accelerator being depressed or the brake pedal being applied, or
while driving downhill, the electric motor acts as a generator that recovers a portion of the
electrical energy that was used to accelerate the vehicle. This regenerative braking slows the
vehicle in a manner similar to engine braking in a gasoline-powered vehicle. You can control the
rate of deceleration by using the deceleration paddle selector.
Motor
High
Voltage
Battery
● Auto Engine Stop/Start
Your vehicle’s gasoline engine automatically stops running during vehicle operation or restarts while the vehicle is stationary when it is
appropriate.
In the following cases, however, auto engine stop may not activate.
• The vehicle momentarily needs additional power for aggressive acceleration, or driving uphill or at high speed.
• The climate control system is in heavy use.
• The High Voltage battery temperature is high or low.
• The High Voltage battery is too low on charge.
● Sounds Unique to the SPORT HYBRID i-MMD System
When you first start driving this vehicle, you will likely hear some unfamiliar sounds, particularly when you turn on the power system, or
while you are driving or accelerating from a stop. Some of these sounds are unique to this vehicle‘s powertrain, fuel, and climate control
systems; others are similar to sounds generated by conventional automobiles that typically are masked by louder noises absent from a
vehicle of this design. These sounds are not a cause for concern, and you will soon recognize them as normal and thus be able to detect any
new or unusual noise should one develop.
After shutting off the engine, you may hear certain noises coming from the vehicle. Here’s the lowdown:
● Noise from Under Vehicle: This noise is caused by the vacuum pump inside the fuel evaporation leakage check module (ELCM).
Depending on conditions, the pump will come on for about 15 minutes about 5 to 10 hours after engine shutoff. This noise is just normal
vehicle operation and doesn’t indicate a vehicle problem.
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Safety Precautions
Do not touch the High Voltage system
Attempting to take a High Voltage system component apart or disconnect one of its wires
can cause severe electrical shock. Make sure that any maintenance or repairs to the High
Voltage system are performed by a Honda dealer.
If a crash occurs
● Be careful of electric shock hazard.
uIf a severe crash damages your vehicle’s High Voltage system, there is a possibility of
electrical shock due to exposed High Voltage components or wires. If this happens, do not
touch any of the High Voltage system components or any of its orange wires.
● Avoid contact with High Voltage battery fluid.
uThe High Voltage battery contains a flammable electrolyte that could leak as a result of
a severe crash. Avoid skin or eye contact with the electrolyte as it is corrosive. If you
accidentally come into contact with the electrolyte, rinse the exposed skin or flush your
eyes with copious amounts of water for at least five minutes, and seek medical attention
immediately.
Do not cover the air intake.
● Use a fire extinguisher for an electrical fire.
uAttempting to extinguish an electrical fire with even a small quantity of water, from a
garden hose for instance, can be dangerous.
● Any time the vehicle is damaged in a crash, have it repaired by a dealer.
Air Intake
If the air intake is obstructed
during vehicle operation, the High
Voltage battery can become too
hot. To protect the battery, the
system may start to limit the
battery’s output and cause the
power system and 12-volt battery
charging system indicators to come
on.
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Emergency Shutdown System for the High Voltage System
If the vehicle is involved in a crash, the emergency shutdown system will activate depending on the severity of the impact. When the system
activates, the High Voltage system automatically shuts down, and the vehicle can no longer move under its own power. To return the High
Voltage system back to normal operation, consult a dealer.
Honda collects and recycles High Voltage batteries used in its vehicles – consult a dealer for more information.
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