2019 Acura MDX HYBRID engine

639Continued
Handling the Unexpected
Overheating
How to Handle Overheating
Overheating symptoms are as follows:
•The high temperature indicator comes on or the engine suddenly loses power.
• The Stop Driving When Safe. En gine 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 power system on and open the hood.
u Steam or spray is present: Turn off the power system and wait until it
subsides. Then open the hood.
1 How to Handle Overheating
NOTICE
Continuing to drive with the high temperature
indicator on may da mage the engine.
3WARNING
Steam and spray from an overheated
engine can seriously scald you.
Do not open the hood if steam is coming
out.
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uuOverheating uHow to Handle Overheating
640
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
turn the power system off once the high
temperature indicator goes off.
u If the cooling fan is not operating,
immediately turn the power system off.
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. 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, turn the power system on, and check the
high temperature indicator.
If the high temperature indicator is off, resu me driving. If it stay on, 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.
Continuing to drive with the Stop Driving When
Safe. Engine Temperature Too Hot message on
the multi-information display may damage the
engine.
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
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641
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 hazard warning lights on.
■What to do after parking the vehicle
1. Turn the power system off and let it sit for approximately three
minutes.
2. Open the hood and check the oil level.
2 Oil Check P. 573
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 turn
the power system off and contact a dealer for repairs.
If the 12-Volt Battery Cha rging System Indicator
Comes On
■Reasons for the indicator to come on
Comes on when the 12-Volt battery is not being charged.
■What to do when th e indicator comes on
Turn off the climate control system, rear defogger, and other electrical
systems, and immediately co ntact a dealer for repairs.
1If the Low Oil Pressure Indicator Comes On
NOTICE
Running the engine with low oil pressure can cause
serious mechanical damage almost immediately.
1If the 12-Volt Battery Chargi ng System Indicator Comes On
If you need to stop temporarily, do not turn off the
power system. Restarting the power system may
rapidly discharge the battery.
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642
uuIndicator, Coming On/Blinking uIf the Malfunction Indicato r Lamp Comes On or Blinks
Handling the Unexpected
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 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 power system, drive to the nearest
dealer at 31 mph (50 km/h) or less. Have your vehicle
inspected.
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643
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 regenerative 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 th e indicator comes on
Stop the vehicle in a safe plac e and restart the power system.
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.
If both red and amber brake system indicators come
on, stop the vehicle in a safe place and have it
inspected by a dealer immediately.U.S.
Canada
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647Continued
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 applic able 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
1−−
2−−
3ACG FR15 A
4Washer 15 A
5IG1 OP(7.5 A)
6 ECU FR 7.5 A
7VBSOL(10 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
15Radio20 A
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 LT 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
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648
uuFuses uFuse Locations
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 Fuse200 A
2
AS F/B-150 A
DR F/B-2 50 A
DR F/B-1 50 A RR DEF 40 A
RR F/B-2 60 A
FR Blower 40 A
H/L Washer
*(30 A)
RR BLOWER & BMS 30 A
3
SUB F/B-160 A
VSA MTR40 A
AS F/B-260 A
R/B Main60 A
EPS70 A
SUB F/B-260 A
VSA FSR20 A
ESB40 A
4 Stop & Horn & Hazard 30 A
5EOP RLY30 A
6 RR F/B-1 40 A
7FI Main40 A
8 Stop & Horn 20 A
9Hazard10 A
10 BMS 7.5 A
11−−
Circuit ProtectedAmps
* Not available on all models
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649
uuFuses uFuse Locations
Continued
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
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