2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–23
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3. CONFIRMATION OF TRANSMITTER ID 
REGISTRATION
(a) Make sure that the ignition switch is off.
(b) Connect the intelligent tester to DLC3.
(

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TOYOTA SIENNA 2007  Service Repair Manual TW–24TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
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• If normal pressure values are displayed, the 
IDs have been registered correctly.
• If the tire pressure values are not displayed 
aft

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

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

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

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TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–31
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PROBLEM SYMPTOMS TABLE
HINT:
• Use the table below to help determine the cause of the 
problem symptom. The potential causes of the sympto

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TOYOTA SIENNA 2007  Service Repair Manual TW–32TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEM
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TERMINALS OF ECU
1. CHECK TIRE PRESSURE WARNING ECU
HINT:
Inspect the connectors from the back side while the 
connectors are connected.
(a)

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TOYOTA SIENNA 2007  Service Repair Manual TIRE AND WHEEL  –  TIRE PRESSURE WARNING SYSTEMTW–33
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(e) Using an oscilloscope, check the waveform 1.
(1) Waveform 1 (Reference)
(2) Waveform 2 (Reference)
F047507E08
Item Contents
Terminal SPD