HINT: Inspect the fuse and relay before investigating the suspected areas shown in the table below.
WIRELESS DOOR LOCK CONTROL SYSTEM:

Customize parameters
Terminals of ECUSymptom confirmation and diagnostic trouble code
HINT:
The diagnostic system in the SIENNA has various
functions.
The first function is the Diagnostic Trouble Code
(DTC) check. A DTC is a code stored in the ECU
memory whenever a malfunction in the signal circuits
to the ECU occurs. In a DTC check, a previous
malfunction's DTC can be ...
Sleep Operation Failure of Occupant Classification
ECU
DTC B1796 Sleep Operation Failure of Occupant Classification
ECU
DESCRIPTION
During sleep mode, the occupant classification ECU reads the condition of
each sensor while the ignition
switch is off.
In this mode, if the occupant classification ECU detects an internal
malfunction, DTC B1796 ...
Summary of functions
Dynamic radar cruise control supplements conventional cruise control
with a vehicle-to-vehicle distance control. In vehicle-to-vehicle distance
control mode, the vehicle automatically accelerates or decelerates
in order to maintain a set following distance from vehicles ahead.
Multi-infor ...