Page 717 of 876
717
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45472U_(U)
FuseAmpereCircuit
24 FAN 60 A Electric cooling fans
25 HAZ 15 A Turn signal lights, gauges and
meters
26 RSE 15 A Rear seat entertainment system
27 MIRROR
*310 A Outside rear view mirror control,
outside rear view mirror heaters
28 AMP 30 A Audio system
29 VSC NO.2 30 A Vehicle dynamics integrated man-
agement, ABS, vehicle stability
control
30 ST 30 A Starting system
31 P/I 40 A Horn, left-hand headlight (low
beam), right-hand headlight (low
beam)
32 H-LP MAIN
*140 A Discharge headlight
SPARE
*430 A Spare-fuse
33 AM2
*530 A “ST NO.2”, “GAUGE NO.2” and
“IG2” fuses
34 VSC NO.1 50 A Vehicle dynamics integrated man-
agement, ABS, vehicle stability
control
Page 718 of 876

718 4-3. Do-it-yourself maintenance
SIENNA_OM_OM45472U_(U)
FuseAmpereCircuit
35 ALT 140 A Charging system, horn, left-hand
headlight (low beam), right-hand
headlight (low beam), fog light, out-
side rear view mirror heaters, rear
window defoggers, windshield
wiper de-icer
36 RAD NO.1 15 A Audio system
37 DOME 7.5 A Vanity lights, personal/interior
lights, personal lights, engine
switch light, rear ceiling lights, door
courtesy lights, luggage compart-
ment light, gauges and meters,
clock
38 ECU-B 10 A Main body ECU, smart key system,
wireless remote control, power
back door, power sliding door, rear
view monitor, multi information dis-
play, power window, outside rear
view mirror control, steering angle
sensor, auto-anti glare inside rear
view mirror, AUTO ACCESS SEAT
remote control, front passenger
occupant classification system
39 ETCS 10 A Multiport fuel injection system/
sequential multiport fuel injection
system
40 A/F 20 A Multiport fuel injection system/
sequential multiport fuel injection
system
41 STRG LOCK
*620 A Steering lock system
42 ALT-S 7.5 A Charging system
Page 721 of 876

721
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45472U_(U)
FuseAmpereCircuit
6 ECU-IG NO.1 10 A Multiplex communication system,
stop lights, navigation system,
vehicle stability control system,
Active Torque Control 4WD, intui-
tive parking assist, auto anti-glare
inside rear view mirror, pre-collision
seat belt, outside rear view mirror,
seat heater, TPMS, yaw rate & G
sensor, steering angle sensor,
AUTO ACCESS SEAT, main body
ECU
7 P/W RL 20 A Rear power windows (left-side)
8 D/L 15 A Power door lock system
9 P/SEAT FR 30 A Power front seat (right-side)
10 S/ROOF 30 A Moon roof 11 P/W RR 20 A Rear power windows (right-side)
12 P/W FR 20 A Front power windows (right-side)
13 P/SEAT FL 30 A Power front seat (left-side), driving
position memory system
14 STOP 10 A Stop lights, ABS, vehicle stability
control system, rear combination
light, high mounted stop light, auto-
matic transaxle, shift lock system,
multiplex communication system,
power third seat switch, multiport
fuel injection system/sequential
multiport fuel injection system,
trailer lights (stop lights)
15 P/W FL 20 A Front power windows (left-side)
Page 722 of 876
722 4-3. Do-it-yourself maintenance
SIENNA_OM_OM45472U_(U)
FuseAmpereCircuit
16 PSD LH 25 A Power sliding door (left-side)
17 4WD 7.5 A Active Torque Control 4WD
18 AM1 10 A Starting system
19 GAUGE NO.2 7.5 A Gauges and meters, multi informa-
tion display
20 IG2 7.5 A Automatic transaxle, multiport fuel
injection system/sequential multi-
port fuel injection system, SRS air-
bag system, front passenger
occupant classification system,
steering lock system, smart key
system, starting system, fuel pump
21 PANEL 10 A Air conditioning system, navigation
system, front passenger’s seat belt
reminder light, audio system, steer-
ing switch, intuitive parking assist
switch, personal/interior light main
switch, shift lever light, headlight
levering switch, power door lock
main switch, clock, power quarter
window switch, seat heater switch,
emergency flashers, rear window
defogger switch, vehicle stability
control off switch, console box light,
power slide switch light
Page 723 of 876

723
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45472U_(U)
FuseAmpereCircuit
22 TAIL 10 A Tail lights, trailer lights (tail lights),
license plate light, rear combination
lights
23 WIP ECU 7.5 A Windshield wiper and rear window
wiper
24 P/VENT 15 A Power quarter windows
25 AFS 10 A Automatic High Beam
26 WIP 30 A Windshield wiper
27 WASHER 20 A Windshield washer
28 WIP RR 20 A Rear window wiper
29 WASHER RR 15 A Rear window washer
30 HTR-IG 10 A Air conditioning system
31 SHIFT LOCK 7.5 A Shift lock system, multiport fuel
injection system/sequential multi-
port fuel injection system
32 ECU-IG NO.2 10 A Pre-collision system, pre-collision
seat belt, dynamic radar cruise
control, electric power steering,
rain-sensing windshield wipers,
driving position memory system,
power sliding door, power third
seat, power back door, multiplex
communication system
33 PSD RH 25 A Power sliding door (right-side)
34 OBD 7.5 A On-board diagnosis system
35 S-HTR FL 15 A Seat heater (left-side)
36 S-HTR FR 15 A Seat heater (right-side)
Page 824 of 876

824 6-1. Specifications
SIENNA_OM_OM45472U_(U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure The maximum cold inflated
pressure to which a
tire may be inflated, s hown on the sidewall of
the tire
Recommended infla-
tion pressure Cold tire inflation pressure recommended by a
manufacturer
Accessory weight The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Page 861 of 876

861
Alphabetical index
SIENNA_OM_OM45472U_(U)
Back-up lights
Replacing light bulbs ............ 725
Wattage ................................ 812
Back door Back door ............................... 82
Wireless remote control.......... 53
Battery Checking .............................. 683
If the vehicle has discharged battery ............. 786
Preparing and checking before winter ...................... 367
Blind Spot Monitor .................. 346
Bluetooth
® audio ..................... 484
Bluetooth® phone .................... 543
Bottle holder ............................ 596
Brake Fluid...................................... 681
Parking brake ....................... 242
Brake assist ............................. 329
Break-in tips ............................ 214
Brightness control Instrument light control ......... 245
BSM .......................................... 346
Care Exterior ................................. 646
Interior .................................. 651
Seat belts ............................. 652
Cargo capacity ........................ 358
Cargo hooks ............................ 622
CD changer .............................. 436
CD player ................................. 436
Chains ...................................... 367 Child restraint system
Booster seats, definition ........189
Booster seats, installation .....194
Convertible seats, definition .............................189
Convertible seats,
installation ...........................194
Front passenger occupant classification system ...........183
Infant seats, definition ...........189
Infant seats, installation.........194
Installing CRS with LATCH anchors ..........197, 199
Installing CRS with seat belts ............................201
Installing CRS with top tether strap............205, 206
Child safety
Airbag precautions ................177
Back door precautions ............88
Battery precautions .......685, 790
Child restraint system............189
Child-protectors .......................71
How your child should wear the seat belt ........................132
Installing child restraints ........194
Moon roof precautions ..........154
Power window lock switch.....144
Power window precautions ...147
Removed key battery precautions .........................711
Seat belt extender precautions .........................136
Seat belt precautions ............133
Seat heater precautions ........613
Child-protectors .........................71
B
C
Page 864 of 876

864 Alphabetical index
SIENNA_OM_OM45472U_(U)
Floor mat...................................620
FluidBrake .....................................681
Washer .................................. 687
Fog lights Replacing light bulbs ............. 725
Switch.................................... 282
Wattage .................................812
Front fog lights
Replacing light bulbs ............. 725
Switch.................................... 282
Wattage .................................812
Front passenger occupant classification system ............183
Front passenger’s seat belt
reminder light.........................749
Front seats Adjustment .............................. 95
Driver’s seat position
memory ............................... 120
Front side marker lights Replacing light bulbs ............. 725
Switch.................................... 268
Wattage .................................812
Front turn signal lights
Replacing light bulbs ............. 725
Switch.................................... 241
Wattage .................................812
Fuel Capacity ................................803
Fuel gauge ............................ 244
Fuel pump shut off system ....744
Gas station information .........876
Information ............................ 813
Refueling ............................... 155
Type ......................................803
Fuel door...................................155
Fuel filler door .......................... 155
Fuel pump shut off system ..... 744
Fuses......................................... 712 Garage door opener ................ 624
Gauges...................................... 244
Glove box ................................. 587
Grocery bag hooks .................. 618
Hands-free system
(for cellular phone) ................ 543
Head restraints
Adjusting .............................. 125
Headlights Manual headlight leveling
dial ...................................... 271
Replacing light bulbs ............. 725
Switch ................................... 268
Wattage................................. 812
Heaters Seat heaters.......................... 612
Side mirror ............................ 419
Hill-start assist control ............ 335
Hood.......................................... 667
Hooks Cargo .................................... 622
Grocery bag .......................... 618
Horn .......................................... 243FG
H