If The Engine Will Not Start - Lexus IS250 2009 Service Manual

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5-2. Steps to take in an emergency

If the engine will not start

If the engine will not start, even though correct starting procedures are
being followed (
The engine will not start even when the starter motor operates
n
normally.
One of the following may be the cause of the problem.
l There may not be sufficient fuel in the vehicle' s tank.
Refuel the vehicle.
l The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( P. 126)
l There may be a malfunction in the engine immobilizer system.
( P. 77)
The starter motor turns over slowly, the interior lights and head-
n
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
One of the following may be the cause of the problem.
l The battery may be discharged. ( P. 421)
l The battery terminal connections may be loose or corroded.
The starter motor does not turn over, the interior lights and head-
n
lights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem.
l One or both of the battery terminals may be disconnected.
l The battery may be discharged. ( P. 421)
l There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
P. 126), consider each of the following points.
5
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