If The Engine Will Not Start - Toyota Highlander Service Manual

If the engine will not start

If the engine will not start even though correct starting proce-
dures are being followed (→P. 218, 221), consider each of the fol-
lowing 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 procedures.
(→P. 218, 221)
● There may be a malfunction in the engine immobilizer system.
(→P. 80)
The starter motor turns over slowly, the interior lights and head-
lights 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. 638)
● 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 electronic key battery depletion or a blown fuse.
However, an interim measure is available to start the engine.
(→P. 634)
HIGHLANDER_U (OM0E017U)
8-2. Steps to take in an emergency
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