ACURA NSX 2020 Owners Manual
Manufacturer: ACURA, Model Year: 2020, Model line: NSX, Model: ACURA NSX 2020Pages: 491, PDF Size: 20.24 MB
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uuJump Startingu
Handling the Unexpected
6.Connect the other end of the second  
jumper cable to the front frame as shown.  
Do not connect this jumper cable to any  other part.
7. If your vehicle is connected to another  
vehicle, start the assisting vehicle’s engine  
and increase its rpm slightly.
8. Attempt to start your ve hicle’s engine. If it 
turns over slowly, check that the jumper 
cables have good metal-to-metal contact.
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.
2. Disconnect the other end of the jumper cable from the booster battery  - 
terminal.
3. Disconnect the jumper cable from  your vehicle’s 12-volt battery + terminal.
4. Disconnect the other end of the jumper cable from the booster battery  + 
terminal.
Have your vehicle inspected  by a nearby service station or an authorized Acura NSX 
dealer.
■What to Do After the Engine Starts
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Handling the Unexpected
Overheating
How to Handle Overheating 
Overheating symptoms are as follows: •The temperature gauge pointer is at the   mark or the engine suddenly loses  
power.
• Steam or spray comes out of the engine compartment.
■ First thing to do
1. Immediately park the vehicle in a safe place.
uPut the transmission into (P  and set the parking brake.
2. Turn off all accessories and turn on the hazard warning lights.
uNo steam or spray present : Keep the power system on and open the hatch.
uSteam or spray is present: Turn off the power system and wait until it 
subsides. Then open the hatch.
1How to Handle Overheating
NOTICE
Continuing to drive with the temperature gauge  
pointer at the   mark  may damage the engine.
3WARNING
Steam and spray from an overheated  
engine can seriously scald you.
Do not open the hatch  if steam is coming 
out.
H
H
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uuOverheatinguHow to Handle Overheating
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and  
turn the power system off once the  
temperature gauge pointer comes down.
uIf 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.
2 Checking the Coolant  P. 396
uIf the coolant level in the reserve tank is  
low, or no coolant in the tank, check that  
the radiator is cool. Cover the reserve 
tank cap with a heavy cloth and open the  
cap. Add coolant until it reaches the  MAX mark, and put the cap back on.
■ Last thing to do
Once the engine has cooled sufficiently,  turn the power system on and check the 
temperature gauge. If the temperature  gauge pointer has gone down, resume 
driving. If it has not gone down, contact  an authorized Acura NSX dealer for repairs.
1How to Handle Overheating 
If the coolant is leaking, contact an authorized Acura 
NSX dealer for repairs. 
Use water as an emergency/temporary measure only.  
Have an authorized Acura NSX dealer flush the  
system with proper antifree ze as soon as possible.
3WARNING
Removing the reserve tank 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 reserve tank 
cap.
Engine Coolant  
Reserve Tank
MAX
MIN
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Handling the Unexpected
Indicator, Coming On/Blinking
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 con trol system, rear defogger, and other electrical 
systems, and immediately contact an authorized Acura NSX dealer for  
repairs.
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 an  
authorized Acura NSX 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.
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 discharg e the battery.
1If 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 authorized 
Acura NSX dealer at 31 mph (50 km/h) or less. Have  
your vehicle inspected.
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uuIndicator, Coming 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 Electric Power Steeri ng (EPS) System Indicator 
Comes On
■Reasons for the indicator to come on
Comes on if there is a problem with the EPS system.
■ What to do when th e indicator comes on
Stop the vehicle in a safe place a nd turn on the power system again.
If the indicator comes on and stays  on, immediately have your vehicle 
inspected by an author ized Acura NSX dealer.
1If 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 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 an authorized Acura 
NSX dealer immediately. 
If both red and amber brake system indicators come  
on, stop the vehicle in a  safe place and have it 
inspected by an authorized Acura NSX dealer  
immediately.U.S.
Canada
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uuIndicator, Coming On/BlinkinguIf the Electric Parking Brake System Indicator Comes On
Handling the Unexpected
If the Electric Parking Brake System Indicator Comes 
On■Reasons for the indicator to come on
Comes on when there is a proble m 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 an author ized Acura NSX dealer.
■ What to do when the electric pa rking brake indicator comes on 
or blinks at the same time.
Release the parking brake. 2 Parking Brake  P. 357
• If the electric parking brake indicator remains on or blinks even after 
releasing the parking brake, immedi ately stop the vehicle in a safe 
place, and call an authorized Acura NSX dealer.
uTo prevent your vehicle from  moving unexpectedly, put the 
transmission into 
(P .
• If only the electric parking brake in dicator goes off, immediately get 
your vehicle inspected at an  authorized Acura NSX dealer.
1If the Electric Parking Brake System Indicator Comes On 
If you apply the parking brake, it may not release.
If the electric parking brake indicator turns on, the  
parking brake is  still applied.
When the electric parking br ake 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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uuIndicator, Coming On/BlinkinguIf the Low Tire Pressure/TPMS Indicator Comes On or Blinks
Handling the Unexpected
If the Low Tire Pressure/TPMS Indicator Comes On or 
Blinks■Reasons for the indicator  to come on or blink
Tire pressure is significantly low in one or more of the tires. If there is a  
problem with the TPMS, the indicato r blinks for about one minute, and 
then stays on. ■ What to do when th e indicator comes on
Drive carefully, avoid abrupt or sharp cornering, and hard braking. 
Stop your vehicle in a safe place. Ch eck the tire pressure and adjust the 
pressure to the specified level. The sp ecified tire pressure is on a label on 
the driver’s side doorjamb.
■ What to do when  the indicator blinks
Have the tire inspected by an author ized Acura NSX dealer as soon as 
possible.1If the Low Tire Pressure/TPMS  Indicator Comes On or Blinks
NOTICE
Driving on an extremely unde rinflated tire can cause 
it to overheat. An overheated tire can fail. Always  
inflate your tires to the prescribed level.
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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 in dicator to blink
The transmission is malfunctioning.
■ What to do when the indicator blinks
• Immediately have your vehicle insp ected by an authorized Acura NSX 
dealer.
• Put the transmission into 
(N  when you turn the power system on.
uCheck to verify the (N position on the instrument panel is selected 
and if the indicator on the 
(N  button is illuminating or blinking.
uThe power system cannot be turned  on unless the parking brake is 
set. 2 Turning on the Power  P. 321
If the Low Oil Level Symbol Appears
■Reasons for the symbol to appear
Appears when the engine oil level is low.
■ What to do as soon as the symbol appears
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
Check the oil level. 2 Oil Check  P. 391
1If the Transmission System In dicator 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. 462
1If the Low Oil Level Symbol Appears
NOTICE
Running the engine with a  low oil level can cause 
serious mechanical damage almost immediately. 
This system activates after the engine warms up. If  
the outside temperature is extremely low, you may  have to drive for a long time  until the system senses 
the engine oil level. 
If the symbol appears agai n, turn the power system 
off, and contact an author ized Acura NSX dealer for 
repairs immediately.
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Continued
Handling the Unexpected
Fuses
Fuse Locations 
If any electrical device
s are not working, set 
the power mode to VEHICLE OFF, and check  
to see if any applic able fuse is blown.
There are two fuse boxes under the hood. 
Fuse locations are shown on the fuse box  
cover. Locate the fuse in question by the  
fuse number and box cover number. ■ Fuse box A
Located near the radiator. Push the tabs to  
open the box.
■Hood Fuse Box
■ Circuit protected and fuse rating
Circuit ProtectedAmps
1
EPS70 A
Cooling Fan50 A
ABS/VSA Motor40 A
ABS/VSA FSR20 A
AS F/B Main30 A
Main Fuse200 A
2
 (50 A)
F/B Main 1 60 A  ( 60 A)
 ( 50 A)
Left Electric Parking Brake  Motor 30 A
Right Electric Parking Brake  Motor 30 A
 ( 40 A)
Heater Motor 2 30 A 
Heater Motor 1 30 A
 ( 40 A)
3
E-OP30 A
 (30 A)
ADS30 A
AMP *(30 A)
4 Parking Light 10 A
5IGPS PCS7.5 A
6 Left Headlight High Beam 10 A
7VFP27.5 A
8 Left Headlight Low Beam 10 A
9Right Headlight High Beam10 A
10 Right Headlight Low Beam 10 A
11IGPS Fan7.5 A
12 FI Main 15 A
13FI Sub20 A
14 Back Up 7.5 A
15SBW ECU7.5 A
16 DBW1 15 A
17IG Coil15 A
18 DBW2 15 A
19Parking Light & Headlight  Main20 A
20 Rear Defroster 20 A
21Front Washer20 A
22 ISC 15 A
23  
24 ACC/IG2 Main 10 A
25Daytime Running Lights10 A
26 Horn 10 A
27Interior Lights7.5 A
28 IGP2 15 A
29Audio10 A
Circuit ProtectedAmps
* Not available on all models
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uuFusesuFuse Locations
Handling the Unexpected
■Fuse box B
Located near the 12-volt battery. Remove  
the maintenance cover, then push the tabs  
to open the box. 2 Checking the 12-Volt Battery  P. 417■
Circuit protected and fuse rating
Circuit ProtectedAmps
1
SBW60 A
  
F/B Main 260 A
Wiper30 A
Passenger Power Window30 A
IG Main 130 A
Driver Power Window30 A
ESB40 A
2IG Main 230 A
3IMA Motor20 A
4B MS 7 .5 A
5Stop7.5 A
6 Turbo W/G 20 A
7Hazard7.5 A
8A /C  W /P 1 0A
9  
10 AEV 7.5 A
11FI-ECU Backup7.5 A
12    
13  
14    
15  
16    
17IMA Motor10 A
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