Page 818 of 1014
7946-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Right-hand drive vehicles
FuseAmpereCircuit
1P/SEAT1 F/L30Power seats
2D/L NO.125Power door lock system
3NV-IR10Lexus night view
4FL S/HTR10Seat heaters/ventilators
5STRG HTR15Heated steering wheel
6WIPER-IG5Windshield wipers
7LH-IG10
Seat belts, body ECU, AFS, Remote
Touch screen, overhead module, rain-
drop sensor, moon roof, inside rear view
mirror, LKA, front left-hand door ECU,
Lexus parking assist-sensor, power seats,
CAN gateway ECU, PTC heater, head-
light cleaner
8LH ECU-IG10
Yaw rate and G sensor, air conditioning
system, VGRS, AFS, driver support sys-
tem, EPB
9DOOR FL30Outside rear view mirror defoggers,
power window (front left-hand)
10CAPACITOR
(HV)10Capacitor
11AM27.5Power management system
12D/L NO.225Power door lock system
13DOOR RL30Power window (rear left-hand)
Page 821 of 1014
797 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
11DOOR RR30Power window (rear right-hand)
12RAD NO.230Audio system
13AM27.5Power management system
14MULTIMEDIA10Navigation system, Remote Touch
15RAD NO.130Audio system
16AIR BAG10SRS airbag system
17OBD7.5On-board diagnosis system
18ACC7.5
Body ECU, head-up display, RR CTRL,
navigation system, hybrid transmission,
Remote Touch, DCM, Remote Touch
screen, clock
FuseAmpereCircuit
Page 822 of 1014
7986-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Right-hand drive vehicles
FuseAmpereCircuit
1STOP7.5Stop lights, high mounted stoplight
2P/SEAT1 F/R30Power seats
3FR P/OUTLET15Power outlet (front)
4P/W-B5Power window master switch
5RR P/OUTLET15Power outlet (rear)
6P/SEAT2 F/R25Power seats
7AV S20AV S
8WIPER30Windshield wipers
9WA S H20Windshield washer
10RH ECU-IG10
Navigation system, VGRS, Lexus night
view, brake system, D-SW MODULE
(Blind Spot Monitor, heated steering
wheel), pre-crash seat belts, DRS
11RH-IG10
Tension reducer, power seats, head-up
display, front right-hand door ECU,
“nanoe™”, shift lock system, electric tilt
and telescopic steering column, seat
heater/ventilator switches, smart entry &
start system antennas, tire pressure warn-
ing system receiver, driver monitor sys-
tem
12DOOR FR30
Front right-hand door control system
(outside rear view mirror defoggers,
power window)
Page 823 of 1014
799 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
13DOOR RR30Power window (rear right-hand)
14RAD NO.230Audio system
15STRG LOCK15Steering lock system
16MULTIMEDIA10Navigation system, Remote Touch
17RAD NO.130Audio system
18AIR BAG10SRS airbag system
19OBD7.5On-board diagnosis system
20TI & TE20Electric tilt and telescopic steering col-
umn
21ACC7.5
Body ECU, head-up display, RR CTRL,
navigation system, hybrid transmission,
Remote Touch, Remote Touch screen,
clock
FuseAmpereCircuit
Page 891 of 1014
8647-2. Steps to take in an emergency
GS450h_300h_OM_OM30D53E_(EE)
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Once
Con-
tinu-
ous
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the power
switch off when
the shift lever was
in P.
Turn the
power
switch off
and lock
the doors
again.
9
times
An attempt was
made to drive
when the regular
key was not
inside the vehicle.Confirm
that the
electronic
key is
inside the
vehicle.
Con-
tinu-
ous
The driver’s door
was opened when
the shift lever was
not in P and the
power switch was
not turned off.
Shift the
shift lever
to P.
(Displayed alternately)
(Flashes)
(Flashes)
(Flashes)
Page 892 of 1014
8657-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30D53E_(EE)
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Con-
tinu-
ousCon-
tinu-
ousThe driver’s door
was opened and
closed while the
electronic key
was not in the
vehicle, the shift
lever was not in P
and the power
switch was not
turned off.•Shift the
shift
lever to
P.
•Bring the
elec-
tronic
key back
into the
vehicle.
Once
Con-
tinu-
ous
(Vehicles with the entry
function)
An attempt was
made to lock the
doors using the
smart entry &
start system while
the electronic key
was still inside
the vehicle.Retrieve
the elec-
tronic key
from the
vehicle and
lock the
doors
again.
(Displayed alternately)
(Flashes)
(Flashes)
Page 893 of 1014
8667-2. Steps to take in an emergency
GS450h_300h_OM_OM30D53E_(EE)
Once
Con-
tinu-
ous
An attempt was
made to lock
either front door
by opening a door
and putting the
inside lock but-
ton into the lock
position, then
closing the door
by pulling on the
outside door han-
dle with the elec-
tronic key still
inside the vehicle.
For some models
only: An attempt
was made to lock
the doors other
than using the
smart entry &
start system while
the electronic key
was still inside
Retrieve
the elec-
tronic key
from the
vehicle and
lock the
doors
again.
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
(Flashes)
Page 894 of 1014
8677-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30D53E_(EE)
Inte-
rior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Once
• When the doors
were unlocked
with the
mechanical key
and then the
power switch
was pressed, the
electronic key
could not be
detected in the
vehicle.
• The electronic
key could not
be detected in
the vehicle even
after the power
switch was
pressed two
consecutive
times.
To u c h t h e
electronic
key to the
power
switch
while
depressing
the brake
pedal.
Once
An attempt was
made to start the
hybrid system
with the shift
lever in an incor-
rect position.Shift the
shift lever
to P and
start the
hybrid sys-
tem.
(Flashes)
(Flashes)