check engine HONDA ACCORD COUPE 2017 9.G Workshop Manual
Page 567 of 609
566
Handling the Unexpected
Jump Starting
Jump Starting Procedure
Turn off the power to electric devices, such as audio and lights. Turn off the engine, 
then open the hood. 1.Connect the first jump er cable to your 
vehicle's battery  + terminal.
2. 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.
3. Connect the second jumper cable to the 
booster battery  - terminal.1Jump Starting
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 jumper 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
4-cylinder models
6-cylinder models
Booster Battery
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Continued567
uuJump Starting uJump Starting Procedure
Handling the Unexpected
4. 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.
5. If your vehicle is connected to another 
vehicle, start the assisting vehicle's engine 
and increase its rpm slightly.
6. 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
Battery performance degrades  in cold conditions and 
may prevent the engi ne from starting.4-cylinder models
6-cylinder models
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571
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 temperature 
gauge needle comes down.
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 engine coolant 
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 needle has gone dow n, 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 emergency/temporary measure only. 
Have a dealer flush the system with proper antifreeze 
as soon as possible.
3WARNING
Removing the radiator 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 radiator cap.
MAX
Engine Coolant Reserve Tank
MIN
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572
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 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 about three minute.
2. Open the hood and check the oil level.
u Add oil as necessary.
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 within 10 seconds: Stop the engine 
and contact a dealer for repairs immediately.
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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573
uuIndicator, Coming On/Blinking uIf the Malfunction Indicator Lamp Comes On or Blinks
Handling the Unexpected
If the Malfunction Indica tor Lamp Comes On or 
Blinks
■Reasons for the indicator la mp to come on or blink
• Comes on if there is a problem wi th the engine emissions control 
system, or the fuel fill  cap is missing, or loose.
• Blinks when engine misfiring is detected.
■What to do when the  indicator lamp comes on
Avoid high speeds and immediately get your vehicle inspected at a 
dealer.
■What to do when the  indicator lamp blinks
Park the vehicle in a safe place with  no flammable items and wait at least 
10 minutes or more with the engine stopped until it cools.
■The message appears on when:
An evaporative system leak is  detected. This may be caused  by the fuel fill cap being 
loose or not being installed.
■What to do when the message appears:
1. Stop the engine.
2. Check if the fuel fill cap is fully installed.
u If not, loosen the cap, and then retighten it until it clicks at least once.
3. Drive for several days of normal driving.
u The message should go off.
■When the malfunction indicator lamp comes on
The malfunction indicator lamp comes on if  the system continues to detect a leak of 
gasoline vapor. If this happens, check the  fuel fill cap using the procedures described 
above.
■Check/Tighten Fuel Cap Message
1 If the Malfunction Indicato r Lamp Comes On or Blinks
NOTICE
If you drive with the malf unction indicator lamp on, 
the emissions control system and the engine could be 
damaged.
If the malfunction  indicator lamp blinks again when 
restarting the engine, drive  to the nearest dealer at 
31 mph (50 km/h) or less. Have your vehicle 
inspected.
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574
uuIndicator, Coming On/Blinking uIf the Brake System Indicator (Red) Comes On
Handling the Unexpected
If the Brake System Indicator (Red) Comes On
■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
Press 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.
If the Electric Power Steeri ng (EPS) System Indicator 
Comes On
■Reasons for the indicator to come on
• Comes on if there is a problem with the EPS system.
• If you depress the accelerator pedal  repeatedly to increase the engine 
speed while the engine is idling, the indicator comes on, and 
sometimes the steering wheel becomes harder to operate.
■What to do when the indicator comes on
Stop the vehicle in a safe  place and restart the engine.
If the indicator comes on and stays on, immediately have your vehicle 
inspected by a dealer.
1 If the Brake System Indicator (Red) Comes On
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.U.S.
Canada
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576
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 appl icable fuse is blown.
Located near the brake fluid reservoir. 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
■Circuit protected and fuse rating
*2:Models with LKAS
*3:Models without LKAS
*4:4-cylinder models
*5:6-cylinder models
Circuit ProtectedAmps
1Battery125 A
2
EPS70 A
Fuse Box Main 1 (60 A)
Fuse Box Option 1(40 A)
−−
−−
ABS/VSA FSR 20 A*2
40 A*3
ABS/VSA Motor
40 A*2
30 A*3
3
−−
−−
−−
−−
4 Front Fog Light*(10 A)
5Horn10 A
6 Stop Light 10 A
7FI Sub15 A
8 DRL (7.5 A)
9IG Coil15 A
10 Injector*4
−*5(20 A)*4
−*5
*6:Models with smart entry system
*7:Models without smart entry system
Circuit ProtectedAmps
11Hazard15 A
12 Fuse Box Main 2 60 A
Fuse Box Option 2 (40 A)
IG Main 1 30 A
*6
50 A*7
IG Main 2*6
−*730 A*6
−*7
Sub Fan Motor 20 A*4
30 A*5
Headlight Low Beam Main 30 A
Fuse Box 30 A
Wiper Motor 30 A
Main Fan Motor 30 A Starter Motor
*6
−*730 A*6
−*7
13Rear Defogger40 A
14 Heater Motor 40 A
15FI Main15 A
16 Heated Door Mirror*, *4
−*5(10 A)*4
−*5
17MG Clutch7.5 A
18 DBW 15 A
19Small Light20 A
20 Interior Light 7.5 A
* Not available on all models
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579
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 remove the screw and 
replace it with a new one.
4. Inspect the small fu ses in the engine 
compartment and the vehicle interior.
u If there is a burned out 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.
Replace fuse with a spare fuse of the same specified 
amperage.
Confirm the specified amperage using the charts on  
P. 576 to 578.
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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589Continued
Information
Emissions Testing
Testing of Readiness Codes
Your vehicle has “Readiness Codes,” as part of the onboard self diagnostic system. 
Some States use these codes as a test to see if 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 engi ne off for six 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 (automatic transmission/CVT) or (N (manual 
transmission). Increase the engine speed to 2,000 rpm, and hold it there for about 
three 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.
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600
Index
Continuously Variable Transmission (CVT)Creeping ................................................. 429
Fluid ........................................................ 525
Kickdown ................................................ 429
Operating the Shift Lever ...................  19, 431
Shift Lever Does Not Move....................... 569
Shifting.................................................... 430
Controls ..................................................... 115
Coolant (Engine) ....................................... 523
Adding to the Engine Coolant Reserve  Tank ...................................................... 523
Adding to the Radiator ............................ 524
Overheating............................................. 570
Creeping (Automatic Transmission
/CVT) ........................................................ 429
Cruise Control ........................................... 442
Indicator ....................................................  81
Cup Holders ...............................................  173
Customer Service Information ................. 594
Customized Features ................  106, 298, 316
D
Daytime Running Lights ........................... 151
Dead Battery ............................................. 566
Defaulting All the Settings ..............  315, 339
Defrosting the Windshield and 
Windows .................................................. 181
Devices that Emit Radio Waves ................ 587
Dimming
Headlights ...............................................  145 Rearview Mirror.......................................  159
Dipstick (Engine Oil) .................................  518
Directional Signals (Turn Signal) .............  145
Display Button ..................................  193, 216
Door Mirrors .............................................  160
Doors .........................................................  118
Auto Door Locking ..................................  128
Auto Door Unlocking ..............................  128
Door and Trunk Open Indicator ...........  33, 77
Keys ........................................................  118
Locking/Unlocking the Doors from 
the Inside ..............................................  126
Locking/Unlocking the Doors from  the Outside ...........................................  121
Lockout Prevention System ......................  125
DOT Tire Quality Grading ........................  540
Driving ......................................................  411
Adaptive Cruise Control (ACC) ................  447
Automatic Transmission/CVT ...................  429
Braking ...................................................  479
Cruise Control .........................................  442
Shifting Gear ...................................  434, 438
Shifting Position ......................................  430
Starting the Engine..........................  421, 423
Driving Position Memory System ............  156
Dust and Pollen Filter ...............................  549
E
Eco Assist® System ........................................  9
ECON Button ............................................  441 Elapsed Time
............................................  104
Electric Power Steering (EPS) System
Indicator ...........................................  77, 574
Electronic Stability Control (ESC) ............  471
Emergency ................................................  580
Emergency Engine Stop ...........................  565
Emergency Trunk Opener .......................  132
Emissions Testing  (Readiness Codes) ......  589
Engine .......................................................  586
Coolant ..................................................  523
Jump Starting .........................................  566
Oil ..........................................................  517
Remote Engine Start ...............................  425
Starting...........................................  421, 423
Switch Buzzer .........................................  140
Engine Coolant ........................................  523
Adding to the Engine Coolant Reserve 
Tank .....................................................  523
Adding to the Radiator ...........................  524
Overheating ............................................  570
Temperature Gauge ..................................  98
Engine Oil .................................................  517
Adding ...................................................  520
Checking ................................................  518
Displaying Oil Life ...........................  505, 509
Low Oil Pressure Indicator .................  71, 572
Recommended Engine Oil .......................  517
ENGINE START/STOP Button ....................  141
EPS (Electric Power Steering)  System ...............................................  77, 574
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