2007 TOYOTA SIENNA Service Repair Manual

Page 2337 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING VALVE AND TRANSMITTERTW–85
TW
(b) Install the washer on the tire pressure warning valve 
and transmitter from the rim side and tighten the 
nut.
Torque: 4.

Page 2338 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–86TIRE AND WHEEL  –  TIRE PRESSURE WARNING VALVE AND TRANSMITTER
TW
5. REGISTER TRANSMITTER ID
HINT:
See page TW-20.
6. INSPECT TIRE PRESSURE WARNING SYSTEM
HINT:
See page TW-25.

Page 2339 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING VALVE AND TRANSMITTERTW–87
TW
DISPOSAL
HINT:
The tire pressure warning valve and transmitter is powered 
by a lithium battery. When disposing of the tire p

Page 2340 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–28TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
TW
TEST MODE PROCEDURE
1. ENTER TEST MODE
HINT:
• Operation of the tire pressure warning reset switch 
can be checked in TEST MODE.
• Durin

Page 2341 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–29
TW
(d) Select the SIGNAL CHECK on the intelligent tester.
HINT:
Every time the test mode DTC clear conditions are 
satisfied, the tire pressure

Page 2342 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–30TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
TW
(2) Check the tire pressure warning indicator light.
(i) Result
HINT:
After the signal check is completed, check for a 
signal check DTC to

Page 2343 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING ECUTW–87
TW
SUSPENSION & AXLE
TIRE AND WHEEL
TIRE PRESSURE WARNING ECU
COMPONENTS
C155500E01

Page 2344 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–88TIRE AND WHEEL  –  TIRE PRESSURE WARNING ECU
TW
REMOVAL
NOTICE:
Before removing the tire pressure warning ECU, read the 
registered transmitter IDs of all wheels and write them 
down to use f