ignition TOYOTA SIENNA 2019 (in English) Workshop Manual

520
SIENNA_OM_OM08025U_(U)
8-1. Specifications
Cooling system
Capacity
Without towing package
12.2 qt. (11.5 L, 10.1 Imp.qt.)
With towing package
12.5 qt. (11.8 L, 10.4 Imp.qt.)
Coolant type Use either of the following.
• “Toyota Super Long Life Coolant”
• A similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
Ignition system
Spark plug
Make
Gap DENSO FK20HBR8
0.03 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust spark plug g ap.
Electrical system
Battery
Open voltage at
68F (20 C): 12.3 V or more
If the voltage is lower than the standard value,
charge the battery.
(After charging the battery, turn on the high beam
headlights for 30 seconds with the engine switch in
the “LOCK” position [vehicles without smart key
system] or off [vehicles with smart key system],
and turn the headlights off.)
Charging rates 5 A max.

566What to do if... (Troubleshooting)
SIENNA_OM_OM08025U_(U)
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine keys or mechanical
keys can be made by your Toyota dealer. (P. 107)
●If you lose your keys or electronic keys, the risk of vehicle t heft increases
significantly. Contact your Toyota dealer immediately. ( P. 109)
●Is the key battery weak or depleted? (P. 436)
●Vehicles with a smart key system
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 229)
●Vehicles with a smart key system
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of t he radio
wave. ( P. 107, 145)
●Is the child-protector lock set?
The sliding door cannot be opened from inside the vehicle when the lock is
set. Open the sliding door from outside and then unlock the chi ld-protector
lock. ( P. 125)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The sliding door c annot be opened

567What to do if... (Troubleshooting)
SIENNA_OM_OM08025U_(U)
●Is the shift lever in P? (P. 225)
●Is the steering wheel unlocked? ( P. 226)
●Is the battery discharged? (P. 505)
●Did you press the engine switch while firmly depressing the bra ke pedal?
( P. 228)
●Is the shift lever in P? ( P. 228)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 143)
●Is the steering wheel unlocked? (P. 231)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( P. 503)
●Is the battery discharged? (P. 505)
●Is the engine switch in the “ON” position (vehicles without a s mart key sys-
tem) or IGNITION ON mode (vehicles with a smart key system)?
If you cannot release the shift lever by depressing the brake
pedal with the engine switch in the “ON” position (vehicles wit hout a smart
key system) or IGNITION ON mode (vehicles with a smart key syst em).
( P. 237)
If you think something is wrong
The engine does not start
(vehicles without a smart key system)
The engine does not start
(vehicles with a smart key system)
The shift lever cannot be shifted from P even if you depress
the brake pedal

568What to do if... (Troubleshooting)
SIENNA_OM_OM08025U_(U)
●Vehicles without a smart key system:
It is locked to prevent theft of the vehicle if the key is removed from the
engine switch. ( P. 226)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. ( P. 2 3 1 )
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 184)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not operating) for a pe riod of
time. ( P. 230)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 473)
●The brake system warning light is on
Is the parking brake released? ( P. 240)
Depending on the situation, other types of warning buzzer may also sound.
( P. 471, 481)
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches
The engine switch is tur ned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving

569What to do if... (Troubleshooting)
SIENNA_OM_OM08025U_(U)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 79)
To stop the alarm, turn the engine switch to the “ON” position (vehicles with-
out a smart key system) or IGNITION ON mode (vehicles with a sm art key
system) or start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 481)
●When a warning light turns on or a warning message is displayed , refer to
P. 471, 481.
●Vehicles with run-flat tires:
Slow down the vehicle, drive wit h extra caution, and take your vehicle
to the nearest Toyota dealer or authorized tire dealer as soon as possi-
ble to have the tire replaced. ( P. 4 9 9 )
●Vehicles with a compact spare tire:
Stop the vehicle in a safe place and replace the flat tire with the spare
tire. ( P. 485)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 512)
An alarm is activated and t he horn sounds (if equipped)
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

573Alphabetical index
SIENNA_OM_OM08025U_(U)
DrivingBreak-in tips .......................... 195
Correct posture ....................... 28
Procedures ........................... 194
Winter driving tips ................. 328
Driving position memory ........ 169 Driving position memory ....... 170
Memory recall function.......... 171
Power easy access system ......... ....................... 169
Dynamic radar cruise control
Function ................................ 289
DVD player
*
Eco Driving Indicator ................ 88
EDR (Event data recorder) ........ 10
Electric power steering (EPS)....................................... 323 Function ................................ 323
Warning light ......................... 472
Electronic key Battery-saving function ......... 145
If your electronic key does
not operate properly ........... 503
Replacing the battery ............ 436
Emergency flashers ................ 462 Emergency, in case of
If a warning buzzer
sounds................................ 471
If a warning light turns on ..... 471
If a warning message is displayed ............................ 481
If the battery is discharged ... 505
If the electronic key does not operate properly ........... 503
If the engine will not start ...... 501
If you have a flat tire .... 485, 499
If you lose your keys ............. 107
If you think something is wrong ................................. 469
If your vehicle becomes stuck ................................... 512
If your vehicle has to be
stopped in an emergency ... 463
If your vehicle needs to be towed.................................. 465
If your vehicle overheats....... 509
Engine “ACC” position ...................... 225
Accessory mode ................... 229
Compartment ........................ 410
Engine switch ............... 225, 228
Hood ..................................... 407
How to start the
engine ........................ 225, 228
Identification number ............ 517
If the engine will not start ...... 501
Ignition switch (engine switch) ........... 225, 228
Overheating .......................... 509
E
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”

576Alphabetical index
SIENNA_OM_OM08025U_(U)
I/M test ...................................... 404
IdentificationEngine................................... 517
Vehicle .................................. 517
Ignition switch
(engine switch) .............. 225, 228
Illuminated entry system ........ 349
Indicators ................................... 84
Initialization Items to initialize ................... 550
Maintenance data ................. 399
Power back door ................... 138
Power sliding door ................ 128
Tire pressure warning system ......... ....................... 421
Inside rear view mirror ............ 179
Interior lights............................ 347 Wattage ................................ 525
Intuitive parking assist............ 315 Function ................................ 315
Warning message ................. 484
Jack Positioning a floor jack .......... 409
Vehicle-equipped jack........... 486
Jack handle .............................. 488
Jam protection function
Moon roof.............................. 190
Power back door ................... 138
Power sliding doors .............. 127
Power windows ..................... 185 Keyless entry
Smart key system ................. 143
Wireless remote control ........ 105
Keys Battery-saving function ......... 145
Electronic key ....................... 104
Engine switch ............... 225, 228
If you lose your keys ............. 107
If the electronic key does
not operate properly ........... 503
Key number plate ................. 104
Keyless entry
................... 105, 110, 121, 133
Keys...................................... 104
Mechanical key ..................... 104
Replacing the battery............ 436
Warning buzzer .................... 144
Wireless remote control ........ 105
Knee airbags .............................. 38
Language (multi-information display) .................................. 541
LATCH anchors ......................... 62
LDA (Lane Departure Alert) .......... 279
Lever
Auxiliary catch lever.............. 407
Hood lock release lever ........ 407
Shift lever.............................. 233
Tilt and telescopic steering lock release lever ............... 177
Turn signal lever ................... 239
Wiper lever ................... 252, 256
I
J
K
L

581Alphabetical index
SIENNA_OM_OM08025U_(U)
Door lock switch.................... 114
Driving position memory switches.............................. 169
Emergency flashers switch ................................. 462
Engine switch................ 225, 228
Fog light switch ..................... 251
Garage door opener switches.............................. 374
Heated steering wheel .......... 344
Ignition switch ............... 225, 228
Intuitive parking assist switch ................................. 315
LDA
(Lane Departure Alert)........ 282
Light switches ....................... 241
Moon roof switches ............... 189
Outside rear view mirror switches.............................. 181
Power back door ................... 134
Power door lock switch ......... 114
Power window switch.... 184, 187
Rear window wiper and
washer switch ..................... 256
Rear window and outside rear view mirror
defoggers switch ................ 336
Seat heater switches ............ 344
“SOS” button ......................... 385
Talk switch
*
Telephone switches*
Tire pressure warning reset switch ........................ 421
TRAC OFF switch ................. 324
Vehicle-to-vehicle distance switch ................................. 296
Window lock switch............... 184
Wiper and washer switch ......................... 252, 256 Tachometer ................................ 90
Tail lights
Light switch ........................... 241
Replacing light bulbs................... 453, 455, 456
Wattage ................................ 525
Talk switch
*
Telephone switch*
Theft deterrent system Alarm ...................................... 79
Engine immobilizer system ..... 77
Tire inflation pressure............. 429 Maintenance data ................. 522
Warning light......................... 474
Tire pressure warning system Function ................................ 421
Initializing .............................. 421
Installing tire pressure warning valves and
transmitters ........................ 421
Registering ID codes ............ 422
Tire pressure warning reset switch ........................ 421
Warning light......................... 474
T
*: Refer to “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”