2023 HONDA CRV check engine light

612
uuMaintenance Under the Hood uOpening the Hood
Maintenance
Opening the Hood
1. Park the vehicle on a level surface, and set
the parking brake.
2. Pull the hood release handle under the
driver’s side lower corner of the dashboard.
u The hood will pop up slightly.
3. Push the hood latch lever (located under
the front edge of the hood to the center) to
the side and raise the hood. Once you have
raised the hood slightly, you can release the
lever.
4. Lift the hood up most of the way.
u The hydraulic supports will lift it up the
rest of the way and hold it up.
When closing, lower it to approximately
12 inches (30 cm), then press down firmly with
your hands.1 Opening the Hood
NOTICE
Do not open the hood when the wiper arms are
raised. The hood will strike the wipers, resulting in
possible damage to the hood and/or the wipers.
NOTICE
Do not press the engine cover forcibly. This may
damage the engine cover and component parts.
When closing the hood, check that the hood is
securely latched.
If the hood latch lever moves stiffly, or if you can
open the hood without lifti ng the lever, the latch
mechanism should be cl eaned and lubricated.
Pull
Hood Release Handle
Lever

617
uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Maintenance
5. Remove the oil filter and dispose of the
remaining oil.
6. Check that the filter gasket is not stuck to
the engine contact surface.
u If it is stuck, you must detach it.
7. Wipe away dirt and dust adhering to the
contact surface of the engine block, and
install a new oil filter.
u Apply a light coat of new engine oil to
the filter gasket.
8. Put a new washer on the drain bolt, then
reinstall the drain bolt.
u Tightening torque:
30 lbf∙ft (40 N∙m, 4.0 kgf∙m)
9. Pour the recommended engine oil into the
engine.
u Engine oil change capacity (including filter):
4.2 US qt (4.0 L)
10. Reinstall the engine oil fill cap securely and
start the engine.
11. Run the engine for a few minutes, and
then check that there is no leak from the
drain bolt or oil filter.
12. Stop the engine, wait for three minutes,
and then check the oil level on the
dipstick.
u If necessary, add more engine oil.
13. Reinstall the under cover in the same order
it was removed.1Changing the Engine Oil and Oil Filter
You will need a special wrench to replace the oil
filter. You can buy this wrench from a dealer.
When installing the new oil filter, follow the
instructions supplied with the oil filter.
Reinstall the engine oil fill cap. Start the engine. If the
Engine oil pressure low warning appears, turn off
the engine, and check your work.
Oil Filter

671Continued
Handling the Unexpected
If the 12-Volt Battery Is Dead
Jump Starting Procedure
Turn off the power to electric devices, such as audio and lights. Turn off the power
system, then open the hood. 1.Open the terminal cover on your vehicle’s
12-volt battery positive + terminal.
2. Connect the first jumper cable to your
vehicle's 12-volt battery + terminal.
3. Connect the other end of the first jumper
cable to the booster battery + terminal.
u Use a 12-volt booster battery only.
u
When using an automotive battery charger
to boost your 12-volt battery, select a
lower charging voltage than 15-volt. Check
the charger manual for the proper setting.
4. Connect the second jumper cable to the
booster battery - terminal.
5. Connect the other end of the second
jumper cable to the engine mounting bolt
as shown. Do not connect this jumper cable
to any other part.
6. If your vehicle is connected to another
vehicle, start the assisting vehicle's engine
and increase its rpm slightly.
7. Attempt to start your ve hicle's engine. If it
turns over slowly, check that the jumper
cables have good metal-to-metal contact.
1 Jump Starting Procedure
Securely attach the jumper cables clips so that they
do not come off when the e ngine vibrates. Be careful
not to tangle the jumper cables or allow the cable
ends to touch each other while attaching or
detaching the jumper cables.
12-volt battery performa nce degrades in cold
conditions and may prevent the engine from starting.
The Vehicle Stability Assist
TM (VSA ®) system, brake
system (Amber), Adaptive Cruise Control (ACC) with
Low Speed Follow, low tire pressure/TPMS
* and
Safety Support indicators may come on along with a
message in the gauge when you set the power mode
to ON after reconnecting the 12-volt battery.
Drive a short distance at more than 12 mph (20 km/h).
Each indicator should go off. If any do not, have your
vehicle checked by a dealer.
3WARNING
A 12-volt battery can explode if you do not
follow the correct procedure, seriously
injuring anyone nearby.
Keep all sparks, open flames, and smoking
materials away from the 12-volt battery.
Booster Battery
* Not available on all models

676
Handling the Unexpected
Indicator, Coming On/Blinking
If the Engine oil pressure low Warning Appears
■Reasons for the warning to appear
Appears when the engine oil pressure is low.
■What to do as soon as the warning
appears
1. Immediately park the vehicle on level
ground in a safe place.
2. If necessary, turn the hazard warning lights
on.
■What to do after parking the vehicle
1. Turn the power system off and let it sit for
approximately three minutes.
2. Open the hood and check the oil level.
u Add oil as necessary.
2 Oil Check P. 614
3.Start the engine and check the Engine oil
pressure low warning.
u The warning disappears: Start driving
again.
u The warning does not disappear within
10 seconds: Immediately turn the power
system off and contact a dealer for
repairs.
1If the Engine oil pressure low Warning Appears
NOTICE
Running the engine with low oil pressure can cause
serious mechanical damage almost immediately.

687
uuFuses uInspecting and Changing Fuses
Continued
Handling the Unexpected
Inspecting and Changing Fuses
1. Set the power mode to VEHICLE OFF. Turn
headlights and all accessories off.
2. Remove the fuse box cover.
3. Check the main fuse in the engine
compartment fuse box.
u Look at the fuse through the hole.
u If the fuse is blown, have it replaced by a
dealer.1Inspecting and Changing Fuses
NOTICE
Replacing a fuse with on e that has a higher rating
greatly increases the chances of damaging the
electrical system.
Use the charts to locate the fuse in question and
confirm the specified amperage on the fuse label. 2 Fuse Locations P. 683
Replace a fuse with a spare fuse of the same specified
amperage.
Main Fuse
Hole

710
Index
CMBSTM (Collision Mitigation Braking
SystemTM) ................................................. 495
Coat Hook ................................................. 222
Collision Mitigation Braking System
TM
(CMBSTM) .................................................. 495
Console Compartment ............................. 219
Controls ..................................................... 145
Coolant (Engine) ....................................... 618
Adding to the Radiator ............................ 619
Adding to the Reserve Tank ..................... 618
Overheating............................................. 674
Creeping .................................................... 463
Cross Traffic Monitor ................................ 589
Cup Holders ............................................... 220
Customer Service Information ................. 705
Customize Display ..................................... 134
Customized Features ................ 135, 368, 376
D
Daytime Running Lights ........................... 192
Dead 12-Volt Battery ................................ 671
Deceleration Paddle Selector ................... 466
Defaulting All the Settings .............. 375, 399
Defrosting the Windshield and Windows .................................................. 234
Detachable Anchor ..................................... 56
Devices that Emit Radio Waves ................ 697Dimming
Headlights ............................................... 188
Rearview Mirror....................................... 203
Dipstick (Engine Oil) ................................. 614
Directional Signals (Turn Signal) ............. 187
Display Setup .................................... 248, 291
Door Mirrors ............................................. 204
Doors ......................................................... 148
Auto Door Locking .................................. 164
Auto Door Unlocking .............................. 164
Keys ........................................................ 148
Locking/Unlocking the Doors from the Inside ...................................... 161
Locking/Unlocking the Doors
from the Outside ................................... 151
DOT Tire Quality Grading ........................ 634
Drive Mode Switch ................................... 470
Driver Attention Monitor ........................ 126
Driver Information Interface ................... 117
Switching the Display .............................. 117
Driver’s Seat Lumbar Support .................. 206
Driving ...................................................... 441
Braking ................................................... 572
Off-Highway Driving Guidelines............... 453
Shifting Position ...................................... 464
Transmission ........................................... 463
Turn on the Power .................................. 455
Driving Position Memory System ............ 200
Dust and Pollen Filter ............................... 643
E
Eco Assist® System ...................................... 20
ECON Mode Indicator .............................. 108
Elapsed Time ............................................ 124
Electric Power Steering (EPS) System
Indicator ......................................... 104, 681
Electronic Stability Control (ESC) ............ 476
Emergency ................................................ 689
Emergency Power System Off ................. 670
Emergency Power System On .................. 669
Emergency Tailgate Opener .................... 691
Emissions Testing (Readiness Codes) ...... 699
Engine Coolant .................................................. 618
If the 12-Volt Battery Is Dead .................. 671
Number .................................................. 696
Oil .......................................................... 613
Starting................................................... 455
Switch Buzzer ......................................... 185
Engine Coolant ........................................ 618
Adding to the Radiator ........................... 619
Adding to the Reserve Tank .................... 618
Overheating ............................................ 674
Engine Oil ................................................. 613
Adding ................................................... 615
Checking ................................................ 614
Displaying Oil Life ................................... 604
Low Oil Pressure Indicator ....................... 676
Recommended Engine Oil ....................... 613
Viscosity.......................................... 613, 695
EPS (Electric Power Steering) System ...... 681