2007 TOYOTA SIENNA Service Repair Manual

Page 2305 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–63
TW
DESCRIPTION
The signals are transmitted to the tire pressure warning antenna and receiver on the body as radio waves 
and then sent to the t

Page 2306 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–64TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
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(a) Disconnect the T15 ECU connector.
(b) Disconnect the T16 receiver connector.
(c) Measure the resistance according to the value(s) in the

Page 2307 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–65
TW
OK
REPLACE TIRE PRESSURE WARNING ANTENNA AND RECEIVER (See page TW-81)

Page 2308 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–66TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
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DESCRIPTION
Initialization is necessary after replacing any of the ECUs, tires with different tire pressure, or tire pressure 
warning valve

Page 2309 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–67
TW
INSPECTION PROCEDURE
NOTICE:
• When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using the 
intelligent tes

Page 2310 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–68TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
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HINT:
*: It may take about 5 to 6 minutes until the values are 
displayed. If the values are not displayed after a few 
minutes, perform tro

Page 2311 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–69
TW
(a) Disconnect the T15 ECU connector.
(b) Disconnect the T16 receiver connector.
(c) Measure the resistance according to the value(s) in the

Page 2312 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–70TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
TW
(f) Confirm that the ID number on the transmitter and 
recorded transmitter ID match.
Result
B
A
(a) Replace the tire pressure warning valve