Toyota 2014 Sienna, Manual

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5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
If the engine will not start
If the engine will not start even though correct starting procedures
are being followed (

P. 228, 231), consider each of the following
points:
■
The engine will not start even though the starter motor
operates normally.
One of the following may be the cause of the problem:
●
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●
The engine may be flooded.
Try to restart the engine again following correct starting proce-
dures. (

P. 228, 231)
●
There may be a malfunction in the engine immobilizer system
(if equipped). (

P. 160)
■
The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at
a low volume.
One of the following may be the cause of the problem:
●
The battery may be discharged. (

P. 784)
●
The battery terminal connections may be loose or corroded.
■
The starter motor does not turn over (vehicles with a smart
key system)
The engine starting system may be malfunctioning due to an
electrical problem such as an open circuit or a blown fuse. How-
ever, an interim measure is available to start the engine.
(

P. 777)