engine Acura MDX 2020 Owner's Manual

654
Handling the Unexpected
Overheating
How to Handle Overheating
Overheating symptoms are as follows:
•The temperature gauge needle is at th e mark or the engine suddenly loses
power.
• The Stop Driving When Safe. Engine Temperature Too Hot message appears
on the multi-information display (MID).
• Steam or spray comes out of the engine compartment.
■First thing to do
1. Immediately park the vehicle in a safe place.
2. Turn off all accessories and turn on the hazard warning lights.
u No steam or spray present: Keep the engine running and open the hood.
u Steam or spray is present: Turn off the engine and wait until it subsides.
Then, open the hood.
1 How to Handle Overheating
NOTICE
Continuing to drive with the temperature gauge
needle at the mark may damage the engine.
Continuing to drive with the Stop Driving When
Safe. Engine Temperature Too Hot message on
the multi-information display may damage the
engine.
3WARNING
Steam and spray from an overheated
engine can seri ously scald you.
Do not open the hood if steam is coming
out.
H
H
20 ACURA MDX-31TZ56600.book 654 ページ ２０１９年４月２４日　水曜日　午後５時４４分

655
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 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, re start 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.
Reserve TankMAXMIN
20 ACURA MDX-31TZ56600.book 655 ページ ２０１９年４月２４日　水曜日　午後５時４４分

656
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. 585
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.
20 ACURA MDX-31TZ56600.book 656 ページ ２０１９年４月２４日　水曜日　午後５時４４分

657
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 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 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.
20 ACURA MDX-31TZ56600.book 657 ページ ２０１９年４月２４日　水曜日　午後５時４４分

658
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
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.
If the Speed-Sensitive 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 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
20 ACURA MDX-31TZ56600.book 658 ページ ２０１９年４月２４日　水曜日　午後５時４４分

661
uuIndicator, Coming On/Blinking uIf 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
There is a problem with the transmission system.
■What to do when the indicator blinks
• Immediately have your vehicle inspected by a dealer.
• Select
(N after starting the engine.
u Check if the
(N position in the instrume nt 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. 464
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. 670
20 ACURA MDX-31TZ56600.book 661 ページ ２０１９年４月２４日　水曜日　午後５時４４分

662
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 brake fluid reservoir. Push
the tabs to open the box.
■Engine Compartment Fuse
Box Type A
Tab
■Circuit protected and fuse rating
Circuit ProtectedAmps
1STRLD7.5 A
2−−
3ACG FR15 A
4 Washer 15 A
5IG1 OP(7.5 A)
6 ECU FR 7.5 A
7Starter7.5 A
8FI Sub 15A
9DBW15 A
10 FI Main 15 A
11IG Coil15 A
12 DRL R 10 A
13DRL L10 A
14 Injector 20 A
15−−
16 Back Up 10 A
17MG Clutch(7.5 A)
18 FR Fog*(7.5 A)
19−−
20 H/L HI R 7.5 A
21−−
22 Small 10 A
23−−
24 H/L HI L 7.5 A
25SBW15 A
26 H/L LO R 10 A
27H/L LO L10 A
28 Oil LVL 7.5 A
29Main Fan30 A
30 Sub Fan 30 A
31Wiper Main30 A
Circuit ProtectedAmps
* Not available on all models
20 ACURA MDX-31TZ56600.book 662 ページ ２０１９年４月２４日　水曜日　午後５時４４分

663
uuFuses uFuse Locations
Continued
Handling the Unexpected
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 battery. Push the tabs to
open the box.
■Engine Compartment Fuse
Box Type B
Tab
■Circuit protected and fuse rating
Circuit ProtectedAmps
1Main Fuse150 A
2
VSA MTR40 A
VSA FSR 20 A Hazard
30 A
RR BLOWER&BMS 30 A DC/DC 3 60 ARR F/B-2 60 A
AS F/B-2 60 A EPS 60 A3
H/L Washer*(30 A)
IG1B Main30 A
R/B Main60 A
DR F/B-150 A
AS F/B-150 A
RR F/B-160 A
IG1A Main30 A
DR F/B-250 A
4 FI Main 40 A
5FR Blower40 A
6RR DEF 40A
7IG1 Main ST30 A
8− −
9Hazard10 A
10 BMS 7.5 A
11−−
Circuit ProtectedAmps
* Not available on all models
20 ACURA MDX-31TZ56600.book 663 ページ ２０１９年４月２４日　水曜日　午後５時４４分

664
uuFuses uFuse Locations
Handling the Unexpected
Located near the + terminal on the battery.
Pull up the cover.
Replacement of this fuse should be done by
a dealer.
Fuse location is shown on the back of the
positive battery terminal cover.
■Engine Compartment Fuse
Box Type C
FusePositive Battery
Terminal Cover
■Circuit protected and fuse rating
Circuit ProtectedAmps
Fan Main60 A
20 ACURA MDX-31TZ56600.book 664 ページ ２０１９年４月２４日　水曜日　午後５時４４分

669
uuFuses uInspecting and Changing Fuses
Handling the Unexpected
Inspecting and Changing Fuses
1. Set the power mode to VEHICLE OFF
(LOCK). 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 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.
Replace fuse with a spare fuse of the same specified
amperage
Use the charts to locate the fuse in question and
confirm the specified amperage on the fuse label. 2 Fuse Locations P. 662
There is a fuse puller in the engine compartment fuse
box.
If the radio fuse is remove d, the audio system will
disable itself.
Combined
Fuse Blown Fuse
Fuse Puller
Blown Fuse
20 ACURA MDX-31TZ56600.book 669 ページ ２０１９年４月２４日　水曜日　午後５時４４分