
717
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45483U_(U)
FuseAmpereCircuit
32 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
33 RAD NO.1 15 A Audio system
34 DOME 7.5 AVanity lights, personal/interior
lights, personal lights, engine
switch light, rear ceiling lights, door
courtesy lights, luggage compart-
ment light, gauges and meters,
clock
35 ECU-B 10 AMain 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
36 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system
37 A/F 20 AMultiport fuel injection system/
sequential multiport fuel injection
system
38 STRG LOCK
*420 A Steering lock system
39 ALT-S 7.5 A Charging system

720 4-3. Do-it-yourself maintenance
SIENNA_OM_OM45483U_(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, Blind Spot Monitor
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)

721
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45483U_(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 AAutomatic 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 AAir 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
leveling 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

722 4-3. Do-it-yourself maintenance
SIENNA_OM_OM45483U_(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)

821
6-1. Specifications
6
Vehicle specifications
SIENNA_OM_OM45483U_(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

857
Alphabetical index
SIENNA_OM_OM45483U_(U)
Back-up lights
Replacing light bulbs ............ 724
Wattage ................................ 809
Back door Back door ............................... 82
Wireless remote control.......... 53
Battery Checking .............................. 683
If the vehicle has discharged battery ............. 784
Preparing and checking before winter ...................... 369
Blind Spot Monitor .................. 348
Bluetooth
® audio ..................... 486
Bluetooth® phone .................... 545
Bottle holder ............................ 598
Brake Fluid...................................... 681
Parking brake ....................... 244
Brake assist ............................. 331
Break-in tips ............................ 216
Brightness control Instrument light control ......... 247
BSM .......................................... 348
Care Exterior ................................. 648
Interior .................................. 653
Seat belts ............................. 654
Cargo capacity ........................ 360
Cargo hooks ............................ 624
CD changer .............................. 438
CD player ................................. 438
Chains ...................................... 369 Child restraint system
Booster seats, definition ........191
Booster seats, installation .....196
Convertible seats, definition .............................191
Convertible seats,
installation ...........................196
Front passenger occupant classification system ........... 185
Infant seats, definition ...........191
Infant seats, installation.........196
Installing CRS with LATCH anchors ..........199, 201
Installing CRS with seat belts ............................203
Installing CRS with top tether strap............207, 208
Child safety
Airbag precautions ................179
Back door precautions ............88
Battery precautions .......685, 788
Child restraint system............191
Child-protectors .......................71
How your child should wear the seat belt ........................133
Installing child restraints ........196
Moon roof precautions ..........155
Power window lock switch.....145
Power window precautions ...148
Removed key battery precautions .........................710
Seat belt extender precautions .........................137
Seat belt precautions ............134
Seat heater precautions ........615
Child-protectors .........................71
B
C

860 Alphabetical index
SIENNA_OM_OM45483U_(U)
Floor mat................................... 622
FluidBrake ..................................... 681
Washer .................................. 687
Fog lights Replacing light bulbs ............. 724
Switch.................................... 284
Wattage ................................. 809
Front fog lights
Replacing light bulbs ............. 724
Switch.................................... 284
Wattage ................................. 809
Front passenger occupant classification system ............ 185
Front passenger’s seat belt
reminder light......................... 747
Front seats Adjustment ..............................95
Driver’s seat position
memory ............................... 121
Front side marker lights Replacing light bulbs ............. 724
Switch.................................... 270
Wattage ................................. 809
Front turn signal lights
Replacing light bulbs ............. 724
Switch.................................... 243
Wattage ................................. 809
Fuel Capacity ................................ 800
Fuel gauge ............................ 246
Fuel pump shut off system .... 742
Gas station information ......... 872
Information ............................ 810
Refueling ............................... 156
Type ...................................... 800
Fuel door................................... 156
Fuel filler door .......................... 156
Fuel pump shut off system ..... 742
Fuses......................................... 711 Garage door opener ................ 626
Gauges...................................... 246
Glove box ................................. 589
Grocery bag hooks .................. 620
Hands-free system
(for cellular phone) ................ 545
Head restraints
Adjusting .............................. 126
Headlights Manual headlight leveling
dial ...................................... 273
Replacing light bulbs ............. 724
Switch ................................... 270
Wattage................................. 809
Heaters Seat heaters.......................... 614
Side mirror ............................ 421
Hill-start assist control ............ 337
Hood.......................................... 669
Hooks Cargo .................................... 624
Grocery bag .......................... 620
Horn .......................................... 245FG
H

862 Alphabetical index
SIENNA_OM_OM45483U_(U)
MaintenanceDo-it-yourself maintenance ....................... 665
General maintenance ............ 660
Maintenance data.................. 798
Maintenance requirements.... 657
Reset the maintenance data ..................................... 658
Meter
Instrument panel light control ................................. 247
Meters ................................... 246
Mirrors Conversation mirror............... 609
Inside rear view mirror........... 139
Side mirror heaters................421
Side mirrors ........................... 141
Vanity mirrors ........................ 607
Moon roof ................................. 151
MP3 disc ................................... 447
Multi-information display ........ 256
Noise from under vehicle ..........24
Odometer .................................. 246
Oil Engine oil .............................. 674
Opener Back door ................................82
Fuel filler door ....................... 156
Hood...................................... 669
Outer foot lights
Outer foot lights ..................... 582
Replacing light bulbs ............. 724
Wattage ................................. 809
Outside rear view mirrors Adjusting and folding ............. 141
Driving position memory........ 121
Overhead console .................... 594
Overheating, Engine ................790 Parking assist sensors............ 318
Parking brake ........................... 244
Parking lights
Replacing light bulbs ............. 724
Switch ................................... 270
Wattage................................. 809
PCS ........................................... 340
Personal lights Switch ................................... 583
Wattage................................. 809
Power back door ........................ 82
Power outlets ........................... 610
Power windows ................ 145, 149
Pre-collision system ................ 340
Quarter windows...................... 149
Radar cruise control ................ 302
Radiator .................................... 680
Radio ......................................... 428
Rear automatic air conditioning system ............. 417
Rear ceiling light ...................... 586
Rear manual air conditioning
system .................................... 414
Rear seat
Adjustment ............................ 100
Folding third seats......... 110, 111
Installing second seats.......... 108
Removing second seats........ 105
Stowing third seats........ 112, 114
Rear seat entertainment
system .................................... 504M
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