check engine HONDA CIVIC HATCHBACK 2021 (in English) Repair Manual

662
Handling the Unexpected
If the Battery Is Dead
Jump Starting Procedure
Turn off the power to electric devices, such as audio and lights. Turn off the engine,
then open the hood. 1.Open the cover on your vehicle’s battery
positive + terminal.
2. Connect the first jump er cable to your
vehicle’s 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.
■Jump Starting Procedure1If the Battery Is Dead
Securely attach the jumper cables clips so that they
do not come off when the e ngine vibrates. Also be
careful not to tangle the ju mper cables or allow the
cable ends to touch each other while attaching or
detaching the jumper cables.
3WARNING
A 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 battery.
Booster Battery
1.5 L engine models
2.0 L engine models
Booster Battery
Cover
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Continued663
uuIf the Battery Is Dead uJump Starting Procedure
Handling the Unexpected
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 If the Battery Is Dead
Battery performance degrades in cold conditions and
may prevent the engi ne from starting.1.5 L engine models
2.0 L engine models
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667
uuOverheating uHow to Handle Overheating
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
stop the engine once the Stop Driving
When Safe. Engine Temperature Too
Hot message on the driver information
interface goes off.
u If the cooling fan is not operating,
immediately stop the engine.
2. Once the engine has cooled down, inspect
the coolant level and check the cooling
system components for leaks.
u If the coolant level in the reserve tank is
low, add coolant until it reaches the MAX
mark.
u If there is no coolant in the reserve tank,
check that the radiator is cool. Cover the
radiator cap with a heavy cloth and open
the cap. If necessary, add coolant up to
the base of the filler neck, and put the
cap back on.
■Last thing to do
Once the engine has cooled sufficiently, restart it and check the temperature gauge.
If the temperature gauge pointer has gone down, resume driving. If it has not gone
down, contact a dealer for repairs.
1 How to Handle Overheating
If the coolant is leaking, contact a dealer for repairs.
Use water as an emergen cy/temporary measure only.
Have a dealer flush the system with proper antifreeze
as soon as possible.
3WARNING
Removing the reserve tank cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the reserve tank
cap.
Reserve Tank
1.5 L engine models
2.0 L engine models
Reserve Tank
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668
Handling the Unexpected
Indicator, Coming On/Blinking
If the Low Oil Pressure Indicator Comes On
■Reasons for the indicator to come on
Comes on when the engine oil pressure is low.
■What to do as soon as the indicator comes on
1. Immediately park the vehicle on level ground in a safe place.
2. If necessary, turn the ha zard warning lights on.
■What to do after parking the vehicle
1. Stop the engine and let it sit for approximately three minutes.
2. Open the hood and check the oil level.
2 Oil Check P. 583
3.Start the engine and check th e low oil pressure indicator.
u The indicator goes off: Start driving again.
u The indicator does not go off with in 10 seconds: Immediately stop
the engine and contact a dealer for repairs.
If the Charging System Indicator Comes On
■Reasons for the indicator to come on
Comes on when the battery is not being charged.
■What to do when the indicator comes on
Turn off the climate con trol system, rear defogger, and other electrical
systems, and immediately contact a dealer for repairs.
1 If the Low Oil Pressure Indicator Comes On
NOTICE
Running the engine with low oil pressure can cause
serious mechanical damage almost immediately.
1If the Charging System Indicator Comes On
If you need to stop temporarily, do not turn off the
engine. Restarting the engi ne may rapidly discharge
the battery.
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670
uuIndicator, Coming On/Blinking uIf the Brake System Indicator (Red) Comes On or Blinks
Handling the Unexpected
If the Brake System Indicator (Red) Comes On or
Blinks
■Reasons for the indicator to come on
• The brake fluid is low.
• There is a malfunction in the brake system.
■What to do when the indicator comes on while driving
Depress the brake pedal lightly to check pedal pressure.
• If normal, check the brake fluid level the next time you stop.
• If abnormal, take immediate action . If necessary, downshift the
transmission to slow the vehicle using engine braking.
■Reason for the in dicator to blink
• There is a problem with the electric parking brake system.
■What to do when the indicator blinks
Avoid using the parking brake and have your vehicle checked by a dealer
immediately.
1 If the Brake System Indicator (Red) Comes On or Blinks
Have your vehicle re paired immediately.
It is dangerous to drive with low brake fluid. If there
is no resistance from the brake pedal, stop
immediately in a safe plac e. If necessary downshift
the gears.
If the brake system indicator and ABS indicator come
on simultaneously, the elec tronic brake distribution
system is not working. Th is can result in vehicle
instability under sudden braking.
Have your vehicle inspecte d by a dealer immediately.
If the brake system indicator (red) blinks at the same
time when the brake system indicator (amber) comes
on, the parking br ake may not work.
Avoid using the parking brak e and have your vehicle
checked by a dealer immediately. 2 If the Brake System Indicator (Red) Comes
On or Blinks at the Same Time When the
Brake System Indicator (Amber) Comes On
P. 671
If you repeatedly operate the electric parking brake in
a short period of time, the brake stops operating to
prevent heating of the system and the indicator
blinks.
It returns to its original state in approximately 1
minute.
U.S.
Canada
(Red)
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674
Handling the Unexpected
Fuses
Fuse Locations
If any electrical devices are not working, turn the ignition switch to LOCK (0*1, and
check to see if any app licable fuse is blown.
Located near the battery. Push the tabs to open the box.
Fuse locations are shown on the fuse box cover. Locate the fuse in question by the
fuse number and box cover number.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
■Engine Compartment Fuse Box
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678
uuFuses uInspecting and Changing Fuses
Handling the Unexpected
Inspecting and Changing Fuses
1. Turn the ignition switch to LOCK (0*1. Turn
headlights and all accessories off.
2. Remove the fuse box cover.
3. Check the large fuse in the engine
compartment.
u If the fuse is blown, use a Phillips-head
screwdriver to remo ve the screw and
replace it with a new one.
4. Inspect the small fuses in the engine
compartment and the vehicle interior.
u If there is a blown fuse, remove it with
the fuse puller and replace it with a new
one.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Inspecting 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. 674
Replace fuse with a spare fuse of the same specified
amperage.
There is a fuse puller on the back of the engine
compartment fuse box cover.
Combined
Fuse Blown Fuse
Fuse Puller
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４８分

689Continued
Information
Emissions Testing
Testing of Readiness Codes
Your vehicle has readiness code as part of the onboard self diagnostic system.
Some states use these codes for testing to verify whether your vehicle’s emissions
components are working properly.
The codes may not be read properly if testing is performed just after the battery has
gone dead or been disconnected.
To check if they are set, turn the ignition switch to ON
(w*1, without starting the
engine. The malfunction indicator lamp will co me on for several seconds. If it then
goes off, the readiness codes are set. If it blinks five times, the readiness codes are
not set.
If you are required to have your vehicle te sted before the readiness codes are ready,
prepare the vehicle for retest ing by doing the following:
1. Fill the gas tank to approximately 3/4 full.
2. Park the vehicle and leave the engine off for 6 hours or more.
3. Make sure the ambient temperature is between 40°F and 95°F (4°C and 35°C).
4. Start the engine without touching the ac celerator pedal, and let it idle for 20
seconds.
5. Keep the vehicle in
(P (continuously variable transmission) or (N (manual
transmission). Increase the engine speed to 2,000 rpm, and hold it there for about
3 minutes.
6. Let the engine idle with your foot off the accelerator for 20 seconds.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Testing of Readiness Codes
The readiness codes are erased when the battery is
disconnected, and set again only after several days of
driving under a variety of conditions.
If a testing facility determines that the readiness
codes are not set, you may be requested to return at
a later date to complete the test.
If the testing facility determines the readiness codes
are still not set, see a dealer.
1.5 L engine models
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700
Index
Continuously Variable TransmissionCreeping ................................................. 460
Fluid ........................................................ 591
Kickdown ................................................ 460
Operating the Shift Lever ................... 24, 462
Shift Lever Does Not Move....................... 665
Shifting.................................................... 461
Controls ..................................................... 143
Coolant (Engine) ....................................... 589
Adding the Coolant ................................. 590
Overheating............................................. 666
Creeping (Continuously Variable Transmission) ........................................... 460
Cup Holders ............................................... 205
Customer Service Information ................. 696
Customized Features ........................ 134, 350
D
Daytime Running Lights ........................... 180
Dead Battery ............................................. 662
Defaulting All the Settings ...................... 379
Defrosting the Windshield and Windows .................................................. 221
Devices that Emit Radio Waves ................ 687
Dimming Headlights ............................................... 177
Rearview Mirror ....................................... 190
Dipstick (Engine Oil) ................................. 583
Directional Signals (Turn Signal) .............. 176
Display Button .......................................... 252 Display Setup
............................................ 239
Display/Information Button ..................... 125
Door Mirrors ............................................. 192
Doors ......................................................... 145
Auto Door Locking .................................. 159
Auto Door Unlocking .............................. 159
Keys ........................................................ 145
Locking/Unlocking the Doors from the
Inside .................................................... 156
Locking/Unlocking the Doors from the Outside ................................................. 147
DOT Tire Quality Grading ........................ 612
Drive Mode Switch ................................... 473
Driver Information Interface ................... 124
Driving ...................................................... 443
Braking ................................................... 549
Continuously Variable Transmission ......... 460
Shifting Gear ........................................... 468
Shifting Position ...................................... 461
Starting the Engine.......................... 451, 454
Dust and Pollen Filter ............................... 624
E
Eco Assist System........................................ 11
ECON Mode .............................................. 472
Elapsed Time ............................................. 128
Electric Power Steering (EPS) System ........ 89
Indicator............................................ 89, 672
Electronic Stability Control (ESC) ............. 475
Emergency ................................................ 679 Emergency Engine Stop
........................... 661
Emissions Testing (Readiness Codes) ...... 689
Engine Coolant .................................................. 589
If the Battery Is Dead............................... 662
Oil .......................................................... 582
Starting........................................... 451, 454
Switch Buzzer ......................................... 171
Engine Coolant ........................................ 589
Adding the Coolant ................................ 590
Overheating ............................................ 666
Temperature Gauge ................................ 122
Engine Oil ................................................. 582
Adding ................................................... 585
Checking ................................................ 583
Displaying Oil Life ................................... 574
Low Oil Pressure Indicator ................. 84, 668
Recommended Engine Oil ....................... 582
ENGINE START/STOP Button .................... 172
EPS (Electric Power Steering) System ...... 672
Exhaust Gas Hazard (Carbon Monoxide) .. 79
Exterior Care (Cleaning) .......................... 628
Exterior Mirrors ........................................ 192F
Features.................................................... 225
Filters Dust and Pollen....................................... 624
Oil .......................................................... 586
Flat Tire ..................................................... 635
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703
Index
Load Limits............................................... 447
Locking/Unlocking ................................... 145
Auto Door Locking/Unlocking ................. 159
Childproof Door Locks ............................ 158
From Inside ............................................. 156
From Outside .......................................... 147
Keys........................................................ 145
Using a Key............................................. 154
Low Battery Charge ................................. 668
Low Fuel Indicator ..................................... 88
Low Oil Pressure Indicator ................. 84, 668
Low Smart Entry Remote Signal Strength .................................................. 146
Lower Anchors ........................................... 69
Luggage (Maximum Load Limit) ............. 447
M
Maintenance............................................ 569
Adding the Coolant ................................ 590
Battery .................................................... 620
Brake/Clutch Fluid ................................... 592
Cleaning ................................................. 625
Climate Control System .......................... 624
Coolant .................................................. 589
Maintenance Minder
TM............................ 573
Oil .......................................................... 583
Precautions ............................................. 570
Remote Transmitter ................................ 622
Replacing Light Bulbs .............................. 594
Safety ..................................................... 571 Service Items ........................................... 576
Tires ........................................................ 609
Transmission Fluid ................................... 591
Under the Hood ...................................... 579
Malfunction Indicator Lamp .............. 85, 669
Manual Transmission ................................ 468
Map Lights ................................................ 202
Maximum Load Limit ............................... 447
Meters, Gauges ......................................... 122
Mirrors ....................................................... 190
Adjusting ................................................. 190
Door ........................................................ 192
Exterior .................................................... 192
Interior Rearview ..................................... 190
Modifications (and Accessories) .............. 631
Moonroof .................................................. 170
MP3 ................................................... 245, 300
Multi-View Rear Camera .......................... 560
N
Numbers (Identification).......................... 686
O
Odometer.................................................. 127
Oil (Engine) ............................................... 582
Adding .................................................... 585
Checking ................................................. 583
Displaying Oil Life .................................... 574
Low Oil Pressure Indicator .................. 84, 668 Recommended Engine Oil ....................... 582
Viscosity .................................................. 582
Open Source Licenses ............................... 341
Opening Hatch ...................................................... 681
Opening/Closing Hatch ...................................................... 160
Hood....................................................... 581
Moonroof ............................................... 170
Power Windows ...................................... 167
Outside Temperature Display .................. 129
Overheating .............................................. 666
P
Paddle Shifters (7-Speed Manual
Shift Mode) ............................... 25, 465, 466
Pandora ®................................................. 298
Panic Mode ............................................... 166
Parking ...................................................... 558
Parking Brake ........................................... 549
Parking Brake and Brake System Indicator (Amber) ..................................... 83
Parking Brake and Brake System
Indicator (Red) .......................... 82, 670, 671
Passenger Front Airb ag Off Indicator....... 61
Passing Indicators ..................................... 177
Playing Bluetooth ® Audio ................ 248, 303
Power Windows ....................................... 167
Precautions While Driving ....................... 459
Rain ........................................................ 459
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