2007 TOYOTA SIENNA Service Repair Manual

Page 2313 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–71
TW
(d) Select "TIREPRESS" by following the prompts displayed 
on the intelligent tester.
TIRE PRESSURE:
HINT:
*: It may take about 5 to

Page 2314 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–72TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
TW
(d) Select "TIREPRESS" by following the prompts displayed 
on the intelligent tester.
TIRE PRESSURE:
HINT:
*: It may take about 5 to

Page 2315 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–73
TW
DESCRIPTION
The tire pressure warning ECU receives a speed signal from the combination meter. This DTC is stored 
upon entering test mode, a

Page 2316 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–74TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
TW
HINT:
Enter the following menus: DIAGNOSIS / OBD/MOBD / 
METER / DATA LIST.
METER:
(e) Check that the values indicated on the tester and on

Page 2317 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–75
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DESCRIPTION
The ECU enters the initialization mode and performs initialization automatically, when the tire pressure 
warning ECU receives t

Page 2318 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–76TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
TW
(a) Disconnect the tire pressure warning reset switch 
connector.
(b) Measure the resistance between terminals 1 and 2 of the 
tire pressure

Page 2319 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–77
TW
DESCRIPTION
If the ECU detects trouble, the tire pressure warning light blinks (comes on after blinking for 1 minute) and 
tire pressure mon

Page 2320 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TW–78TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
TW
(a) Disconnect the C10 combination meter connector.
(b) Disconnect the T15 tire pressure warning ECU 
connector.
(c) Measure the resistance