2021 HONDA PASSPORT check engine light

537
Maintenance
Battery
Checking the Battery
The condition of the battery is monitored by a
sensor located on the negative terminal of the
battery. If there is a problem with this sensor,
the driver information interface will display a
warning message. If this happens, have your
vehicle inspected by a dealer.
Check the battery termina ls for corrosion monthly.
To access the battery terminals:
1. Remove the engine compartment cover.
2 Engine Compartment Cover P. 509
2.Remove the clips using a Ph illips-head screwdriver, then remove the air intake
duct.
2 High Beam Headlights P. 519
If your vehicle’s battery is disconnected or goes dead:
•The audio system is disabled.
2 Audio System Theft Protection P. 221
•The clock resets*.
2 Clock P. 122
1Battery
WARNING: Battery post, terminals,
and related accessories contain lead
and lead compounds.
Wash your hands after handling.
When you find corrosion, cl ean the battery terminals
by applying a baking powder and water solution.
Clean the terminals with a damp towel. Cloth/towel
dry the battery. Coat the terminals with grease to
help prevent future corrosion.
When replacing the battery, the replacement must be
of the same specifications.
Consult a dealer for more information.
3WARNING
The battery gives off explosive hydrogen
gas during normal operation.
A spark or flame can cause the battery to
explode with enough force to kill or
seriously hurt you.
When conducting any battery
maintenance, wear prot ective clothing and
a face shield, or have a skilled technician do
it.
* Not available on all models
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559
Handling the Unexpected
Engine Does Not Start
Checking the Engine
If the engine does not start, check the starter.
Starter conditionChecklist
Starter doesn’t turn or turns
over slowly.
The battery may be dead. Check
each of the items on the right and
respond accordingly.Check for a message on the driver information interface.
●If the To Start, Hold Remote Near Start Button message appears
2If the Smart Entry Remote Battery is Weak P. 560
uMake sure the smart entry remote is in its operating range.
2 ENGINE START/STOP Button Operating Range P. 156
Check the brightness of the interior lights.
Turn on the interior lights and check the brightness.
●If the interior lights are dim or do not come on at all
2Battery P. 537●If the interior lights come on normally 2 Fuses P. 572
The starter turns over normally
but the engine doesn’t start.
There may be a problem with a
fuse. Check each of the items on
the right and respond accordingly. Review the engine start procedure.
Follow its instructions, and try
to start the engine again.
2 Starting the Engine P. 392
Check the immobilize r system indicator.
When the immobilizer system indicator is blinking, the engine cannot be started.
2 Immobilizer System P. 149
Check the fuel level.
There should be enough fuel in the tank.
2 Fuel Gauge P. 106
Check the fuses.
Check all fuses, or have the vehicle checked by a dealer.
2 Inspecting and Changing Fuses P. 576
If the problem continues:
2Emergency Towing P. 577
1Checking the Engine
If you must start the vehi cle immediately, use an
assisting vehicle or booster battery to jump start it.
2 If the Battery Is Dead P. 562
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563
uuIf the Battery Is Dead u
Continued
Handling the Unexpected
3.Pull up on the engine cover, remove it from
the pins.
u Start on the passenger side and lift the
outermost edge of the cover.
u Move towards the driver side while
applying uniform upward pressure.
4. Connect the first jumper cable to your
vehicle’s battery + terminal.
5. 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-
volts. Check the ch arger manual for the
proper setting.
6. Connect the second jumper cable to the
booster battery - terminal.
7. Connect the other end of the second
jumper cable to the engine hanger as
shown. Do not connect this jumper cable to
any other part.
8. If your vehicle is connected to another
vehicle, start the assisting vehicle’s engine
and increase its rpm slightly.
9. Attempt to start your ve hicle’s engine. If it
turns over slowly, check that the jumper
cables have good metal-to-metal contact.
Pin
Engine Cover
Booster Battery
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567
Handling the Unexpected
Indicator, Coming On/Blinking
If the Low Oil Pressure 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. 511
3.Start the engine and check the low oil
pressure 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 Low Oil Pressure Warning Appears
NOTICE
Running the engine with low oil pressure can cause
serious mechanical damage almost immediately.
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569
uuIndicator, Comin g On/BlinkinguIf 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
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.
If the Electric Power Steering (EPS) System Indicator Comes On
■Reasons for the indicator to come on
• Comes on when 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 th e 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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571
uuIndicator, Coming On/Blinking uIf the Transmission Indicator Blin ks along with the Warning Message
Handling the Unexpected
If the Transmission Indicator Blinks along with the Warning Message
■Reasons for the in dicator 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.
u The engine cannot be turned on unless
the parking brake is set.
2 Starting the Engine P. 392
1If the Transmission Indicator Blin ks 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. 577
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572
Handling the Unexpected
Fuses
Fuse Locations
If any electrical devices are not working, set
the power mode to VEHICLE OFF (LOCK)
and check to see if any applicable fuse is
blown.
Fuse locations are shown on the fuse box
cover. Locate the fuse in question by the
fuse number and box cover number.
Located near the passenger's side damper
house. Push the tabs to open the box.
■Engine Compartment Fuse Box Type A
Tab
■Circuit protected and fuse rating
Circuit ProtectedAmps
1
−(70 A)
REAR BLOWER30 A
ABS/VSA MTR40 A
ABS/VSA FSR20 A
MAIN FAN30 A
MAIN FUSE150 A
2
SUB FAN30 A
WIP MTR30 A
WASHER20 A
PREMIUM AMP*(20 A)
ENGINE MOUNT30 A
FRONT BLOWER40 A
A/C INVERTER*(30 A)
STANDARD AMP*(30 A)
REAR DEF40 A
−(30 A)
PREMIUM AMP*(20 A)
3
−−
−−
−−
−−
4 PARKING LIGHT 10 A
5CRUISE CANCEL SW7.5 A
6 STOP LIGHT 10 A
7FI SUB VSS10 A
8 L H/L LO 10 A
9−−
10 R H/L LO 10 A
11IGPS7.5 A
12 INJECTOR 20 A
13H/L LO MAIN20 A
14 VBUM 10 A
15FRONT FOG(10 A)
16 HAZARD 15 A
17PASSENGER P/
SEAT(RECLINE)*(20 A)
18 PASSENGER P/SEAT(SLIDE)
*(20 A)
19−−
20 MG CLUTCH 7.5 A
21MAIN RLY15 A
22 FI SUB 15 A
23IG COIL15 A
24 DBW 15 A
25SMALL/STOP MAIN20 A
26 BACK UP 10 A
27HTD STRG WHEEL*(15 A)
28 HORN 10 A
29RADIO/USB15 A
Circuit ProtectedAmps
* Not available on all models
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576
uuFuses uInspecting and Changing Fuses
Handling the Unexpected
Inspecting and Changing Fuses
1. Set the power mode to VEHICLE OFF
(LOCK). Turn the 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.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. 572
Replace fuse with a spare fuse of the same specified
amperage.
There is a fuse puller in the engine compartment fuse
box.
Combined
Fuse Blown Fuse
Fuse Puller
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