Toyota Sienna Service Manual: Problem symptoms table
HINT:
- Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
TIRE PRESSURE WARNING SYSTEM: 
Perform signal check
HINT:
When entering signal check mode, the tire pressure
warning ECU sets all the signal check DTCs first.
After completing signal check for each inspection
item, the DTCs for systems ...
Terminals of ecu
Check tire pressure warning ecu
HINT:
Inspect the connectors from the back side while the
connectors are connected.
(a) Disconnect the tire pressure warning antenna and
receiver connector.
...
Other materials:
For automatic air conditioning system
ON-VEHICLE INSPECTION
1. INSPECT AIR INLET CONTROL SERVO MOTOR
(a) Remove the air inlet control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 4 and negative (-) lead to terminal 5, then
check that the lever turns to "RECIRCULATION"
side smoothly.
...
Customizable features
Settings that can be changed using the audio system screen
Settings that can be changed using the multi-information display
Settings that can be changed by your Toyota dealer
Definition of symbols: O = Available, – = Not available
Gauges, meters and multi-information display (, 93)
...
Installation
1. Install speed sensor (nc sensor)
(a) Coat the O-ring with ATF.
(b) Install the speed sensor with the bolt.
Torque: 11 N*m (115 kgf*cm, 8 ft.*lbf)
HINT:
Make sure to install the same manufacturer's
sensor.
(c) Connect the speed sensor connector.
2. INSTALL SPEED SENSOR (NT SENSOR)
...
