Toyota Sienna Service Manual: Ignition system
Parts location
System diagram
Engine
...
Ignition coil and spark plug
Components
...
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 ...
Power back door warning buzzer
INSPECTION
1. POWER BACK DOOR WARNING BUZZER
Check the resistance of the buzzer.
Resistance
If the result is not as specified, replace the buzzer.
NOTICE:
The circuit that causes the buzzer to sounds
is built into the back door ECU, not around
the buzzer.
Directly applying ...
Checking and replacing
fuses
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehicles with a smart key system).
Open the fuse box cover.
...
