443
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS250/220d/200d_EE
7MPX-B10 A
Headlights, front fog lights, front
position lights, license plate lights,
windshield washer, horn, power
door lock system, power windows,
power seats, electric tilt and tele-
scopic steering column, meter,
smart entry & start system, outside
rear view mirrors, air conditioning
system, multiplex communication
system
8DOME10 AInterior lights, meter, outer foot
lights
9CDS10 AElectric cooling fans
10E/G-B60 AFR CTRL-B, ETCS, A/F, STR
LOCK, EDU, ECD
11DIESEL GLW80 AEngine glow system
12ABS150 AVDIM
13RH J/B-B30 AFR DOOR RH, RR DOOR RH,
AM2
14MAIN30 AH-LP L LWR, H-LP R LWR
15STARTER30 ASmart entry & start system
16LH J/B-B30 AFR DOOR LH, RR DOOR LH,
SECURITY
17P/I-B60 AEFI, F/PMP, INJ
18EPS80 APower steering
FuseAmpereCircuit
447
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS250/220d/200d_EE
22WASHER20 AWindshield washer
23FR TAIL10 AFront position lights
24FR FOG15 AFront fog lights
25EDU20 AStarter system
26ECD25 A
Starter system, fuel system, multi-
plex communication system, ECD
NO.2
27ECD NO.210 A
Starter system, fuel system,
exhaust system,
multiport fuel
injection system/ sequential multi-
port fuel injection system
FuseAmpereCircuit
5
515
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (P. 156), consider each of the following points.
The engine will not start even when 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.
IS250: Refuel the vehicle.
IS220d and IS200d: P. 531
The engine may be flooded. (IS250)
Try to restart the engine once more following correct start-
ing procedures. (P. 156)
There may be a malfunction in the engine immobilizer sys-
tem.
(P. 96)
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. 524)
The battery terminal connections may be loose or corroded.
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. 524)
There may be a malfunction in the steering lock system.
Contact any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional, if the problem can-
