Toyota Sienna Service Manual: Description of initialization
(a) Perform initialization in the following cases:
- Before delivery of a new vehicle.
- After replacement of the tire pressure warning ECU*.
- After replacement of the tire pressure warning valve and transmitter.
- Specified tire pressure changes depending on the size or type of the tire.
*: Perform initialization after the transmitter ID registration is completed (See page TW-20).
(b) Before initialization
(1) Set the air pressure of all tires to the specified value.
Cold tire inflation pressure 
NOTICE: Perform the tire pressure adjustment after the vehicle has sufficiently cooled down. If the vehicle is not sufficiently cooled down, increase the air pressure by 20 to 30 kPa (0.2 to 0.3 kgf/cm2, 2.9 to 4.3 psi) above the specified value.
Initialization
...
Initialization procedure
(a) Make sure that the ignition switch is off.
(b) Connect the intelligent tester to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Select "TIREPRESS" by followi ...
Other materials:
Unlock warning switch
INSPECTION
1. INSPECT UNLOCK WARNING SWITCH ASSEMBLY
Remove the unlock warning switch assembly .
Measure the resistance according to the value(s) in
the table below.
Standard resistance
...
Wiper system
Switching the wipers on/off and
brief wipe
Switching on
Press the lever up until the desired position is
reached.
Resting position of the wipers: position 0.
Rain sensor: position 1.
Normal wiper speed: position 2.
Fast wiper speed: position 3.
Brief wipe and switching off
Press the lever do ...
Back door courtesy switch
INSPECTION
1. BACK DOOR LOCK ASSEMBLY (WITH OUT POWER BACK DOOR)
Inspect back door courtesy light switch operation.
Check that there is resistance between the
terminal 5 and the terminal 6 when the back
door is open and closed.
Resistance:
Back door is open:
10 k& ...
