Toyota Sienna Service Manual: Problem symptoms table
HINT: Use the table below to help determine the cause of the problem. The likely causes of the problem are indicated in descending order. Check each suspected area in order. If necessary, repair or replace the faulty parts.
TIRE AND WHEEL SYSTEM 
Precaution
1. REMOVAL AND INSTALLATION TIRE PRESSURE
WARNING VALVE AND TRANSMITTER
(a) When installing a tire, make sure that the tire
pressure warning valve and transmitter does not
interfere with the tire ...
Inspection
1. INSPECT TIRES
(a) Check the tires for wear and proper inflation
pressure.
Cold tire inflation pressure
(b) Using a dial indicator, check the runout of the tires.
Tire runout:
1.4 mm (0.0 ...
Other materials:
Front Occupant Classification Sensor LH Collision
Detection
DTC B1785 Front Occupant Classification Sensor LH Collision
Detection
DESCRIPTION
DTC B1785 is output when the occupant classification ECU receives a collision
detection signal sent by
the front occupant classification sensor LH if an accident occurs.
DTC B1785 is also output when the front ...
Lost Communication with Radar Sensor
DTC U1102 Lost Communication with Radar Sensor
DESCRIPTION
The laser sensor and distance control ECU transmit the data for general
vehicle control and diagnosis
function along the communication line. The distance control ECU determines the
curve radius information
based on signals from the s ...
Glossary of sae and Toyota terms
This glossary lists all SAE-J1930 terms and abbreviations
used in this manual in compliance with SAE
recommendations, as well as their TOYOTA equivalents.
...
