Acura MDX Hybrid (2017 year). Manual - part 26

409

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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. Engine Temperature Too Hot message appears 

on the multi-information display (MID).

• Steam or spray comes out of the engine compartment.

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Overheating

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How to Handle Overheating

410

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■

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.

■

The Stop Driving When Safe. Engine Temperature Too Hot 
Message Appears on the Multi-Information Display (MID)

1

The Stop Driving When Safe. Engine Temperature Too Hot 
Message Appears on the Multi-Information Display (MID)

NOTICE

Continuing to drive with the Stop Driving When 
Safe. Engine Temperature Too Hot message on 
the multi-information display may damage the 
engine.

3

WARNING

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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Overheating

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How to Handle Overheating

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■

Next thing to do

1. Check that the cooling fan is operating and 

turn the power system off once the Stop 
Driving When Safe. Engine 
Temperature Too Hot message on the 
multi-information display 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 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, turn the power system on, and check the 
high temperature indicator.
If the Stop Driving When Safe. Engine Temperature Too Hot message does not 
appear, resume driving. If it appears again, contact a dealer for repairs.

1

The Stop Driving When Safe. Engine Temperature Too Hot 
Message Appears on the Multi-Information Display (MID)

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.

3

WARNING

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 Tank

MAX

MIN

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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 about three minutes.
2. Open the hood and check the oil level.

2 Oil Check P. 343

3. Turn the power system on and check the low oil pressure indicator.

u

The indicator goes off: Start driving again.

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The indicator does not go off within 10 seconds: Turn the power 
system off and contact a dealer for repairs immediately.

If the 12-Volt Battery Charging 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 the indicator comes on

Turn off the climate control 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.

1

If the 12-Volt Battery Charging 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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413

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Indicator, Coming On/Blinking

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If the Malfunction Indicator Lamp Comes On or Blinks

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If the Malfunction Indicator Lamp Comes On or 
Blinks

■

Reasons for the indicator lamp 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 Indicator Lamp Comes On or Blinks

NOTICE

If you drive with the malfunction 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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414

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Indicator, Coming On/Blinking

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If the Brake System Indicator (Red) Comes On

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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 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 the indicator comes on

Stop the vehicle in a safe place 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 repaired immediately.
It is dangerous to drive with low brake fluid. If there 
is no resistance from the brake pedal, stop 
immediately in a safe place. If necessary downshift 
the gears.

If the brake system indicator and ABS indicator come 
on simultaneously, the electronic brake distribution 
system is not working. This can result in vehicle 
instability under sudden braking.
Have your vehicle inspected 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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415

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Indicator, Coming On/Blinking

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If the Electric Parking Brake System Indicator Comes On

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If the Electric Parking Brake System Indicator Comes 
On

■

Reasons for the indicator to come on

Comes on when there is a problem with the electric parking brake 
system.

■

What to do when the indicator comes on

Avoid using the parking brake and immediately get your vehicle 
inspected at a dealer.

■

What to do when the electric parking brake indicator comes on 
or blinks at the same time

Release the parking brake.

2 Parking Brake P. 299

• If the electric parking brake indicator remains on or blinks, even after 

releasing the parking brake, immediately stop the vehicle in a safe 
place, and call a dealer.

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Preventing the vehicle from moving, change the gear position to 

(

P.

• If only the electric parking brake indicator goes off, immediately get 

your vehicle inspected at a dealer.

1

If the Electric Parking Brake System Indicator Comes On

If you apply the parking brake, it may not release.

If the electric parking brake indicator also turns on, 
the parking brake is still applied.

When the electric parking brake indicator blinks at 
the same time as the electric parking brake system 
indicator, the system must be checked. The parking 
brake may not operate under these conditions.

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416

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Indicator, Coming On/Blinking

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If the Low Tire Pressure/TPMS Indicator Comes On or Blinks

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If the Low Tire Pressure/TPMS Indicator Comes On or 
Blinks

■

Reasons for the indicator to come on or blink

A tire pressure is significantly low. If there is a problem with the TPMS 
with Tire Fill Assist or the compact spare tire

*

 is installed, the indicator 

blinks for about one minute, and then stays on.

■

What to do when the indicator comes on

Drive carefully and avoid abrupt cornering and hard braking.
Stop your vehicle in a safe place. Check the tire pressure and adjust the 
pressure to the specified level. The specified tire pressure is on a label on 
the driver side doorjamb.

■

What to do when the indicator blinks

Have the tire inspected by a dealer as soon as possible. If the compact 
spare tire

*

 causes the indicator to blink, change the tire to a full-size tire. 

The indicator goes off after driving for a few miles (kilometers).

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 to 

(

N when you turn the power system on.

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Check if the 

(

N position on the instrument panel and the indicator 

on the 

(

N button is light/blink.

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The power system cannot be turned on unless the parking brake is 
set.

2 Turning on the Power P. 239

1

If the Low Tire Pressure/TPMS Indicator Comes On or Blinks

NOTICE

Driving on an extremely underinflated tire can cause 
it to overheat. An overheated tire can fail. Always 
inflate your tires to the prescribed level.

TPMS Fill Assist provides visual and audible assistance 
during tire pressure adjustment. With the power 
mode in ON, while you adjust tire pressure up or 
down, the system alerts you as follows:
Below recommended pressure: The beeper 
sounds and exterior lights flash once every five 
seconds.
At recommended pressure: The beeper sounds 
and the exterior lights flash rapidly for five seconds.
Above recommended pressure: The beeper 
sounds and lights flash twice every three seconds.

1

If the Transmission System Indicator Blinks along with the 
Warning Message

You may not be able to turn on the power system.

Make sure to set the parking brake when parking 
your vehicle.

Call a professional towing service if you need to tow 
your vehicle.

2 Emergency Towing P. 427

* Not available on all models

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Indicator, Coming On/Blinking

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If the Power System Indicator Comes On

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If the Power System Indicator Comes On

■

Reasons for the indicator to come on

Comes on when there is a problem with the hybrid system.

■

What to do when the indicator comes on

Avoid high speeds and immediately have your vehicle inspected by a 
dealer.

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Fuses

Fuse Locations

If any electrical devices are not working, set 
the power mode to VEHICLE OFF 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 Protected

Amps

1

−

−

2

−

−

3

ACG FR

15 A

4

Washer

15 A

5

IG1 OP

(7.5 A)

6

ECU FR

7.5 A

7

VBSOL

(10 A)

8

FI  Sub

15 A

9

DBW

15 A

10

FI Main

15 A

11

IG Coil

15 A

12

DRL R

10 A

13

DRL L

10 A

14

Injector

20 A

15

Radio

20 A

16

Back Up

10 A

17

MG 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

25

SBW

15 A

26

H/L LO R

10 A

27

H/L LO L

10 A

28

Oil LVL

7.5 A

29

Main Fan

30 A

30

Sub Fan

30 A

31

Wiper Main

30 A

Circuit Protected

Amps

* Not available on all models

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Fuses

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Fuse Locations

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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 Protected

Amps

1

Main Fuse

200 A

2

AS F/B-1

50 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-1

60 A

VSA MTR

40 A

AS F/B-2

60 A

R/B Main

60 A

EPS

70 A

SUB F/B-2

60 A

VSA FSR

20 A

ESB

40 A

4

Stop & Horn Hazard

30 A

5

EOP RLY

30 A

6

RR F/B-1

40 A

7

FI Main

40 A

8

Stop & Horn

20 A

9

Hazard

10 A

10

BMS

7.5 A

11

−

−

Circuit Protected

Amps

* Not available on all models

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420

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Fuses

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Fuse Locations

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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

Fuse

Positive Battery 
Terminal Cover

■

Circuit protected and fuse rating

Circuit Protected

Amps

Fan Main

60 A

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Fuses

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Fuse Locations

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Located under the dashboard.

Fuse locations are shown on the label on 
the outer side of the side panel cover.
Locate the fuse in question by the fuse 
number and label number.

■

Driver’s Side Interior Fuse Box 
Type A

Fuse Box

Fuse Label

■

Circuit protected and fuse rating

Circuit Protected

Amps

1

AS Door Lock

10 A

2

RR DR Door Lock

7.5 A

3

DR Door Lock

7.5 A

4

FR AS Door Unlock

10 A

5

RR DR Door Unlock

7.5 A

6

DR Door Unlock

(7.5 A)

7

D/L Main

20 A

8

−

−

9

ETS TELE

20 A

10

IG1 RR

15 A

11

Meter

7.5 A

12

IG1 FR

20 A

13

ACC

7.5 A

14

−

−

15

DR P/Seat (SLI)

20 A

16

S/R

20 A

17

RR DR P/W

20 A

18

Smart

10 A

19

FR DR P/W

20 A

20

−

−

21

Fuel Pump

20 A

22

IG1 AS

15 A

23

VSA

7.5 A

24

ACG AS

7.5 A

25

STRLD

7.5 A

26

IG2 HAC

7.5 A

27

DRL

7.5 A

28

ACC Key Lock

7.5 A

29

DR P/Seat (LUM)

7.5 A

30

INT Lights

7.5 A

31

ETS TILT

20 A

32

DR P/Seat (REC)

20 A

33

−

−

34

−

−

Circuit Protected

Amps

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Fuses

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Fuse Locations

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Located under the type A driver’s side 
interior fuse box. Take off the cover to 
open.

Fuse locations are shown on the label on 
the back side of the side panel cover.
Locate the fuse in question by the fuse 
number and label number.

■

Driver’s Side Interior Fuse Box 
Type B

Fuse Box

Side Panel Cover

Fuse Label

■

Circuit protected and fuse rating

Circuit Protected

Amps

1

DCT

20 A

2

−

−

3

DCT

20 A

4

IG Main

30 A

5

Hybrid System

10 A

6

Hybrid System

15 A

7

Hybrid System

15 A

8

DCT

30 A

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Fuses

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Fuse Locations

Continued

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Located under the type A driver’s side 
interior fuse box. Take off the cover to 
open.

Fuse locations are shown on the label on 
the back side of the side panel cover.
Locate the fuse in question by the fuse 
number and label number.

■

Driver’s Side Interior Fuse Box 
Type C

Fuse Box

Side Panel Cover

Fuse Label

■

Circuit protected and fuse rating

Circuit Protected

Amps

1

ADS

30 A

2

−

−

3

−

−

4

IG Main

30 A

5

Smart

10 A

6

A/C Water Pump

10 A

7

−

−

8

Starter Motor

30 A

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Fuses

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Fuse Locations

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Located on the lower side panel. Take off 
the cover to open.

Fuse locations are shown on the cover.

■

Passenger’s Side Interior Fuse 
Box

Cover

Fuse Label

■

Circuit protected and fuse rating

Circuit Protected

Amps

1

EPTR

*

(30 A)

2

RR AS P/W

20 A

3

ACM

20 A

4

FR DEF

*

(15 A)

5

AVS Heated Seat

20 A

6

FR AS P/W

20 A

7

AS P/Seat (SLI)

20 A

8

AS P/Seat (REC)

20 A

9

AS P/Seat (LUM)

(7.5 A)

10

Spare

5 A

11

Heated Steering

*

(10 A)

12

−

−

13

−

−

14

RR ACC Socket

20 A

15

FR ACC Socket

20 A

16

−

−

17

−

−

18

AMP

30 A

19

SRS

10 A

20

AS ECU

7.5 A

21

Option

7.5 A

22

−

−

23

−

−

24

OPDS

7.5 A

25

ILLUMI (INT)

5 A

26

EPTL

*

(30 A)

27

CTR ACC Socket

20 A

28

AC INVTR

(30 A)

Circuit Protected

Amps

* Not available on all models

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