Toyota Sienna Service Manual: Ignition system
Parts location
System diagram
Engine
...
Ignition coil and spark plug
Components
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Other materials:
Center Airbag Sensor Assembly Communication
Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication
Circuit Malfunction
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the
occupant classification ECU and
the center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center ...
Inspection procedure
1 BASIC INSPECTION
Conditions necessary for the power slide door to open:
Power slide door main switch is in the ON position
(switch free: orange paint on the top of the switch
appears).
Slide door is unlocked (door lock position switch is
in the ON position when the slide do ...
Emission inspection and
maintenance (I/M)
programs
Some states have vehicle emission inspection programs which
include OBD (On Board Diagnostics) checks. The OBD system
monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the
emission contr ...
