If The Engine Will Not Start - Lexus GS350 Owner's Manual

If the engine will not start

If the engine will not start even though correct starting procedures are being
followed (→P. 197), consider each of the following points:
The engine will not start even though the starter motor operates nor-
mally.
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. 197)
There may be a malfunction in the engine immobilizer system. (→P. 72)
●
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. 504)
●
The battery terminal connections may be loose or corroded.
●
The starter motor does not turn over
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. 498)
The starter motor does not turn over, the interior lights and headlights
do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
One or both of the battery terminals may be disconnected.
●
The battery may be discharged. (→P. 504)
●
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.
GS350_300_GS F_OM_OM30G34U_(U)
7-2. Steps to take in an emergency
497
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