Page 467 of 524

When you turn the ignition switch to
the START (III) position, you do not
hear the normal noise of the engine
trying to start. You may hear a
clicking sound, a series of clicks, or
nothing at all.
Diagnosing why the engine won’t
start f alls into two areas, depending
on what you hear when you turn the
ignition switch to the START (III)
position:
Check these things:
Turn the ignition switch to the ON
(II) position. Turn on the
headlights, and check their
brightness. If the headlights are
very dim or do not come on at all,
the battery is discharged. See on page .
Check the transmission interlock.
If you have a manual transmission,
the clutch pedal must be pushed
all the way to the f loor or the
starter will not operate. With an
automatic transmission, it must be
in Park or neutral. Turn the ignition switch to the
START (III) position. If the
headlights do not dim, check the
condition of the f uses. If the f uses
areOK,thereisprobably
something wrong with the
electrical circuit f or the ignition
switch or starter motor. You will
need a qualif ied technician to
determine the problem. See
on page .
You can hear the starter motor
operating normally, or the starter
motor sounds like it is spinning
f aster than normal, but the engine
does not start up and run. You hear nothing, or almost
nothing. The engine’s starter
motor does not operate at all, or
operates very slowly.
If the headlights dim noticeably or
go out when you try to start the
engine, either the battery is dis-
charged or the connections are
corroded. Check the condition of the
battery connections (see page ).
You can then try jump starting the
vehicle from a booster battery (see
page ).
466 466 482
453
Nothing Happens or the Starter
Motor Operates Very Slowly
Jump Starting Emergency T owing
If theEngineWon’tStart
464
2010 TSX
Page 469 of 524

Although this seems like a simple
procedure, you should take several
precautions.Open the hood, and check the
physical condition of the battery.
In very cold weather, check the
condition of the electrolyte. If it
seems slushy or f rozen, do not try
jump starting until it thaws.
To jump start your vehicle:
You cannot start your vehicle with an
automatic transmission by pushing
or pulling it. Turn of f all the electrical
accessories: climate control, audio
system, lights, etc. Put the
transmission in neutral (manual)
or Park (automatic), and set the
parking brake.Slide out the battery terminal
cover. The battery terminal cover
can be removed without removing
theleftsideenginecompartment
cover.
1.
2.
3.
6-cylinder models
Jump Starting
466
COVER
A battery can explode if you do
not follow the correct procedure,
seriously injuring anyone
nearby.
Keep all sparks, open flames,
and smoking materials away
from the battery.
If a battery sits in extreme cold, the
electrolyte inside can f reeze.
Attempting to jump start with a f rozen
battery can cause it to rupture.
2010 TSX
Page 472 of 524

If the temperature gauge stays at
the red mark, turn of f the engine.
Look f or any obvious coolant leaks,
such as a split radiator hose.
Everything is still extremely hot,
so use caution. If you f ind a leak, it
must be repaired bef ore you
continue driving (seeon page ).
If you do not see steam or spray,
leave the engine running and
watch the temperature gauge. If
the high heat is due to overloading,
the engine should start to cool
down almost immediately. If it
does, wait until the temperature
gauge comes down to the midpoint,
then continue driving.
The pointer of the vehicle’s
temperature gauge should stay in
the midrange. If it climbs to the red
mark, you should determine the
reason (hot day, driving up a steep
hill, etc.).
You will also see a ‘‘WATER TEMP
HOT’’ message on the multi-
inf ormation display (see page ).
If your vehicle overheats, you should
take immediate action. The only
indicationmaybethetemperature
gauge climbing to or above the red
mark. Or you may see steam or
spray coming f rom under the hood.
Saf ely pull to the side of the road.
Put the transmission in neutral
(manual) or Park (automatic), and
set the parking brake. Turn of f all
accessories, and turn on the
hazard warning lights.
If you see steam and/or spray
coming f rom under the hood, turn
of f the engine. Wait until you see
no more signs of steam or spray,
then open the hood.
1.
2. 3.
4.
5.
69
482
CONT INUED
Emergency
Towing
If theEngineOverheats
T aking Care of t he Unexpect ed
469
Steam and spray from an
overheated engine can
seriously scald you.
Do not open the hood if steam
is coming out.
Driving with the temperature gauge
pointer at the red mark can cause
serious damage to the engine.
2010 TSX
Page 479 of 524
Check each of the large f uses in
the under-hood f use box by
looking at the wire inside.
Removing these f uses requires a
Phillips-head screwdriver.
If something electrical in your
vehicle stops working, the first thing
youshouldcheckforisablownfuse.
Determine f rom the chart on pages
, and , or the diagram on
thefuseboxlidorthefuselabel,
which f use or f uses control that
component. Check those f uses f irst,
but check all the f uses bef ore
deciding that a blown f use is not the
cause. Replace any blown f uses and
check if the device works.
Turn the ignition switch to the
LOCK (0) position. Make sure the
headlights and all other
accessories are of f .
On the under-hood and passenger’s
side interior f use boxes, remove
the cover f rom each f use box. 3.
1.
2. 479 480 481
Checking and Replacing Fuses
Fuses
476
FUSE
BLOWN
UNDER-HOOD
TAB
6-cylinder models
2010 TSX
Page 482 of 524

µ
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µ
µ
µ
µµ
µ
µ
µ
µ
µ
µ
µ
µ
µÎ
Î Î
Î
Î
Î Î
Î
µ
µ µ
µ
µ
µ
µ
µ
Î
Î
Î
Î
Î
Î
CONT INUED
No. Amps. Circuits Protected No.
No. Amps.
Amps. Circuits Protected
Circuits Protected
11
12
21
22
23
24
25
26 38
31
31
32
32
33
34
35
36
37100 A
120 A 40 A
70 A
(40 A) 30 A
30 A Battery
Passenger’s Side Fuse Box
EPS
Passenger’s Side Fuse Box
ABS/VSA FSR
Not Used
ABS/VSA Motor
Not Used 4
5
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19
20
21 50 A
40 A
20 A
40 A
15 A
10 A
15 A
15 A
15 A
10 A
7.5 A 15 A
15 A
7.5 A
7.5 A
7.5 A
30 A
30 A
30 A
30 A
30 A
(60 A) 30 A
(40 A) IG Main
Rear Defroster
Sub Fan Motor
Not Used
Not Used
Not Used
Heater Motor
Hazard
Horn
Not Used
Stop
IG Coil
FI Sub
Back Up
Interior Lights
FI Main
DBW
Not Used
Back Up FI ECU
MG Clutch
Engine Oil Level ,
Fan RLY
Wiper Motor
Sub Fan Motor
Not Used
Wiper Motor
Main Fan Motor
Driver’s Side Light Main
Driver’s Side Fuse Box
Passenger’s Side Light Main
Driver’s Side Fuse Box
1:
2:4-cylinder models
6-cylinder models1
2 1
2
1
2 1
21
2
1
2
Fuse Locations
T aking Care of t he Unexpect ed
479
UNDER-HOOD FUSE BOX
2010 TSX
Page 483 of 524

µ
µ
µ
Î
Î
ÎÎÎ Î
ÎÎ Î
Î
No. No.No.
Amps.
Amps. Amps.
Circuits Protected Circuits ProtectedCircuits Protected
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
20 A
(10 A) 10 A
7.5 A
(7.5 A) 7.5 A
(7.5 A)
15 A
10 A
7.5 A
7.5 A 15 A
(7.5 A) 7.5 A
7.5 A
7.5 A
(20 A)
(20 A)
(20 A) 20 A
20 A
20 A
15 A
(10 A) 10 A
10 A
10 A
15 A
(7.5 A)
If equipped
Not Used
Seat Memory
Washer
Wiper
Meter
ABS/VSA
ACG
STS , Starter DIAG
Fuel Pump
VB SOL
SRS
ODS (Occupant Detection
System)
IG1 , STS
Not Used
Daytime Running LightsA/C
Accessory, Key, Lock
Accessory
Driver’s Power Seat Sliding
Moonroof
Driver’s Power Seat Reclining
Rear Driver’s Side Power
Window
Front Accessory Power Socket
Driver’s Power Window
Driver’s Side Door Lock
Lef t Front Fog Light
Lef t Side Small Lights
(Exterior)
Left Headlight High Beam
TPMS
Left Headlight Low Beam
Not Used
Engine Oil Level
1:
2:
3: 4-cylinder models
6-cylinder models
12 3
12 3
3
Fuse Locations
480
INTERIOR FUSE BOX (Driver’s Side)
2010 TSX
Page 484 of 524
ÎÎ
µ
µ
µ
µ
µ
µ
µ
µ
µ Î
No.
Circuits Protected No. No. Amps.
Amps. Circuits Protected
Amps. Circuits Protected
1
2
3
4
5
6
7
8Right Headlight High Beam
Right Side Small Lights
(Exterior)
Right Front Fog Light
Right Headlight Low Beam
Not Used
Interior Lights
Not Used
Passenger’s Side Power Seat
Reclining 9
10
11
12
13
14 15
16
17
18
19
20
21
22
If equipped(20 A)
(20 A)
(20 A) 10 A
20 A
20 A
20 A Premium AMP
Not Used
Not Used
Not Used
Seat Heater
Not Used
Not Used
Not Used
10 A
10 A
(10 A) 15 A
7.5 A
(20 A) Passenger’s Side Power Seat
Sliding
Right Side Door Lock
Rear Passenger’s Side
Power Window
Console Accessory Power
Socket
Front Passenger’s Power
Window
Not Used:
Fuse Locations
T aking Care of t he Unexpect ed
481
INTERIOR FUSE BOX (Passenger’s Side)
2010 TSX
Page 492 of 524

ÎÎ
Î
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
µ
Î
Î
Î
µ
µ
µ
CONT INUED
Specif ications (4-cylinder Models)
Technical Inf ormation
489
Battery
Lights
Engine Fuses 12V 36AH/5HR
60W
12 V
12 V 35 W
Capacity
12 V 2 W 12 V 3.8 W
12 V 5 W12 V 8 W
12 V 8 W
12 V 5 W 12 V 3 CP
12 V 21 W
12 V 21 W
12 V 21/5 W
12 V 21 W 12 V 12 V 55 W 55 W
On vehicles with high voltage discharge type headlights,
replacement of a headlight bulb should be done by your dealer. 12 V
12 V 45 AH/20 HR
21/5 W
Headlights
Fog lights
Front turn signal/
Front parking lights/
Side marker lights
Rear turn signal lights
Stop/Taillights
High-mount brake light
Back-up lights
Rear side marker lights
License plate lights
Ceiling light
Spotlights
Trunk light
Door courtesy lights
Vanity mirror lights
SXU22HCR11S ILZKR7B-11S 11.0 : 1
144 cu-in (2,354 cm
)
3.43 x 3.90 in (87.0 x 99.0 mm) Water cooled 4-stroke, DOHC
i-VTEC 4-cylinder, gasoline engine
Type
BorexStroke
Displacement
Compression ratio
Spark plugs Interior
Under-hood 12 V 47 AH/20 HR
See page 480or the fuse label
attached on the side panel.
See page 481or the fuse label
attached to the inside of the fuse
box door.
See page 479or the fuse box
cover.
NGK:
DENSO:
Driver’s side
Passenger’s side
High
Low
(D2S)
(H1)
(H11)
Canadian TSX (HB3)
1:
2:
3 : If equipped
3 1
2
2010 TSX