check engine HONDA PILOT 2023 Service Manual

763
uuEngine Does Not Start uChecking the Engine
Handling the Unexpected
If you must start the vehicle immediately, use an assisting vehicle or booster battery
to jump start it.
2 If the Battery Is Dead P. 767
Depending on the situation, it may be possibl e to temporarily start the engine using
the emergency start procedure.
2 Emergency Engine Start P. 765
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765
uuEngine Does Not Start uEmergency Engine Start
Handling the Unexpected
Emergency Engine Start
If the engine does not start using the norma l engine starting procedure, you may be
able to start it using the emergency start procedure below.
Do not use this procedure if it is not an emergency.
1. Make sure the parking brake is applied.
2. Check that the transmission is in
(P, then set the power mode to ACCESSORY.
3. Firmly depress the brake peda l and press and hold the ENGINE START/STOP
button for at least 15 seconds.
This should be considered a system malfun ction even if you are able to start the
engine using the above procedure.
Have your vehicle checked by a dealer immediately.
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767Continued
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.Connect the first jumper 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.
4. Connect the other end of the second
jumper cable to the ground 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 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.
Battery performance degrades in cold conditions and
may prevent the engi ne from starting.
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
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uuIf the Battery Is Dead uJump Starting Procedure
768
Handling the Unexpected
Once your vehicle’s engine has started, re move the jumper cables in the following
order:
1. Disconnect the jumper cable from your vehicle’s ground bolt.
2. Disconnect the other end of the jumper cable from the booster battery -
terminal.
3. Disconnect the jumper cable from your vehicle’s battery + terminal.
4. Disconnect the other end of the jumper cable from the booster battery +
terminal.
Have your vehicle inspected by a n earby service station or a dealer.
■What to Do After the Engine Starts1Jump Starting Procedure
The Vehicle Stability Assist
TM (VSA ®) system, Adaptive
Cruise Control (ACC) with Low Speed Follow, brake
system (amber), and safety support indicators may
come on in amber along with a message in the driver
information interface when you set the power mode
to ON after reconnecting the 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.
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uuOverheating uHow to Handle Overheating
770
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
stop the engine once Engine temperature
too hot. Do not drive. Allow engine to
cool. on the driver information interface
disappears.
u If the cooling fan is not operating,
immediately stop the engine.
2. Once the engine has cooled down, inspect
the coolant level an d 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 coolan t in the reserve tank,
check that the radiator is cool. Remove
the engine compartment cover. 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.
2 Engine Compartment Cover P. 708
■Last thing to do
Once the engine has cooled sufficiently, restart it and check the driver information
interface.
If Engine temperature too hot. Do not drive. Allow engine to cool. does not
appear, resume driving. If it appear s again, contact a dealer for repairs.
1How 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 MIN
Reserve
Tank
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771
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. Stop the engine and let it sit for
approximately three minutes.
2. Open the hood and ch eck the oil level.
u Add oil as necessary.
2 Oil Check P. 710
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 stop the engine
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.
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772
uuIndicator Coming On/BlinkinguIf the Charging System Indicator Comes On
Handling the Unexpected
If the Charging System Indicator Comes On
■Reasons for the indicator to come on
Comes on when there is a prob lem with the charging system.
■What to do when the indicator comes on
Stop in a safe place and have yo ur vehicle checked by a dealer
immediately.
If the Malfunction Indicator Lamp Comes On or Blinks
■Reasons for the indicator la mp to come on or blink
• Comes on when there is a problem with the engine emissions control
system.
• 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.
1 If 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.
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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773
uuIndicator Coming On/BlinkinguIf 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 acti on. If necessary, downshift the
transmission to slow the vehicle using engine braking.
■Reasons for the indicator 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.
1If 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 (red) and ABS indicator
come on simultaneously , the electronic brake
distribution system is not wo rking. This 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. 775
U.S.
Canada
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777
uuIndicator Coming On/BlinkinguIf the Transmission System Indicator Blinks along with the Warning Message
Handling the Unexpected
If the Transmission System Indicator Blinks along
with the Warning Message
■Reasons for the indicator to blink
The transmission is malfunctioning.
■What to do when the indicator blinks
• Immediately have your vehicle inspected by
a dealer.
• Change the gear position to
(N after
starting the engine.
u Check if the
(N position in the
instrument panel and the indicator on
the
(N button light/blink.
2 Starting the Engine P. 524
1If the Transmission System In dicator Blinks along with the
Warning Message
You may not be able to start the engine.
Make sure to set the pa rking brake when parking
your vehicle.
Call a professional towing service if you need to tow
your vehicle. 2 Emergency Towing P. 785
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778
Handling the Unexpected
Fuses
Fuse Locations
If any electrical devices are not working, set the power mode to VEHICLE OFF and
check to see if any app licable 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.
■Engine Compartment Fuse Box
Fuse Box
Tab
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