Lexus LS500 - If the Engine will Not Start (LC500)

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7-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
7
When trouble arises
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. (P.356)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. (P.176)
 The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
(P.140)
 There may be a malfunction in the
engine immobilizer system.
(P.62)
 There may be a malfunction in the
shift control system.
*
(P.143)
 There may be a malfunction in the
steering lock system.
*
: It may not be possible to shift the shift
position other than P.
One of the following may be the cause
of the problem:
 The 12-volt battery may be dis-
charged. (P.357)
 The 12-volt battery terminal con-
nections may be loose or corroded.
(P.300)
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.
One of the following may be the cause
of the problem:
 One or both of the 12-volt battery
terminals may be disconnected.
(P.300)
 The 12-volt battery may be dis-
charged. (P.357)
 There may be a malfunction in the
steering lock system.
If the engine will not start
(LC500)
If the engine will not start even
though correct starting procedures
are being followed (P.140), con-
sider each of the following points:
The engine will not start even
though the starter motor oper-
ates normally.
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.
The starter motor does not turn
over
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.