If The Engine Will Not Start; The Engine Will Not Start Even Though The Starter Motor Operates 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 - Lexus rx350 2016 Owner's Manual

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8-2. 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 (P. 220), 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. 220)
There may be a malfunction in the engine immobilizer system. (P. 74)
●
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 terminal connections may be loose or corroded.
●
The battery may be discharged. (P. 665)
●

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. 659)
RX350_U_OM48E90U