2013 Lexus GS300h steering

7035-7. Other interior features
5
Interior features
GS450h_300h_OM_OM30D53E_(EE)
CAUTION
Burns
Care should be taken to prevent injury if anyone in the following categories
comes in contact with the steering wheel when the heated steering wheel is
on:
Babies, small children, the elderly, the sick and the physically challenged
Persons with sensitive skin
Persons who are fatigued
Persons who have taken alcohol or drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
NOTICE
To prevent the 12-volt battery from being discharged
Turn the switch off when the hybrid system is off.

7886-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
8F/PMP25Multiport fuel injection system/sequen-
tial multiport fuel injection system
9H-LP RH-LO20Right-hand headlight (low beam)*1
10H-LP LH-LO20Left-hand headlight (low beam)*1
11BATT FAN
(HV)*210Hybrid battery (traction battery) cooling
fan system
12ABS MAIN 210Brake system
13ABS MAIN 110Brake system
14IGCT NO.130IGCT NO.2, IGCT NO.3, IGCT NO.4,
IGCT NO.5
15ECU-B7.5VGRS, smart entry & start system
16INV W/P10Hybrid system
17ETCS10Multiport fuel injection system/sequen-
tial multiport fuel injection system
18EPS-B10Electric power steering system
19D/C CUT30DOME, MPX-B
20HORN10Horn
21ODS5No circuit
22TV7.5Remote Touch screen
23P/I-B NO.280IG2 MAIN, EFI MAIN, EDU, F/PMP,
A/F
24ABS NO.230Motor relay
25P/I-B NO.150H-LP HI RH, H-LP HI LH, DRL, emer-
gency brake signal
26H-LP LO30H-LP LO RH, H-LP LO LH
27LH J/B-B40Left-hand junction block
28RH J/B-B40Right-hand junction block
29VGRS40VGRS
30OIL PMP60Oil pump
FuseAmpereCircuit

789 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
31IGCT NO.57.5Power management system, shift posi-
tion sensor
32WIP-S7.5Windshield wipers, driver support sys-
tem
33WA S H - S5Windshield washer, driver support sys-
tem
34COMB SW5Windshield wipers
35DOME7.5
Personal lights, ornament lights, trunk
light,
footwell lights, door courtesy lights, van-
ity
lights, rear door inside handle illumina-
tions,
power trunk lid
36MPX-B10
Body ECU, smart entry & start system,
electric tilt and telescopic steering col-
umn, power seats, head-up display, front
door ECU, gauges and meters, steering
sensor, yaw rate and G sensor, overhead
module, RR CTRL SW, power trunk lid,
clock, CAN gateway ECU
37IGCT NO.410Power control unit
38IGCT NO.37.5Hybrid battery (traction battery), DC/DC
converter
39IGCT NO.25Hybrid system
40IG2 NO.15DCM, CAN gateway ECU
41GAUGE5Gauges and meters
42EPS*280Electric power steering
43DC/DC150RH-J/B DC/DC, P/I DC/DC,
LH-J/B DC/DC, LUG-J/B DC/DC
44P/I DC/DC100RR S/SHADE, DEFOG, FOG, TAIL,
PA N E L
45RH J/B DC/DC80Right-hand junction block
FuseAmpereCircuit

7926-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Left side instrument panel
Left-hand drive vehicles
FuseAmpereCircuit
1STOP7.5Stop lights, high mounted stoplight
2P/W-B5Power window master switch
3P/SEAT1 F/L30Power seats
4D/L NO.125Power door lock system
5NV-IR10Lexus night view
6FL S/HTR10Seat heaters/ventilators
7WIPER30Windshield wipers
8WIPER-IG5Windshield wipers
9LH-IG10
Seat belts, body ECU, AFS, overhead
module, raindrop sensor, inside rear view
mirror, lane camera sensor (LKA), head-
up display, shift lock system, Lexus
parking assist-sensor, front left-hand
door ECU, driver monitor system,
Remote Touch screen, electric tilt and
telescopic steering column, power seats,
moon roof, windshield wiper de-icer,
Lexus parking assist-sensor switch, PTC
heater, headlight cleaner

793 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
10LH ECU-IG10
VDIM, brake system, D-SW MODULE
(Blind Spot Monitor, heated steering
wheel), driver support system, AFS,
electric cooling fans, EPB, air condition-
ing system, steering sensor
11DOOR FL30Outside rear view mirror defoggers,
power window (front left-hand)
12CAPACITOR
(HV)10Capacitor
13STRG LOCK15Steering lock system
14D/L NO.225Power door lock system
15DOOR RL30Power window (rear left-hand)
16HAZ15Turn signal lights, emergency flashers
17LH-IG210
Multiport fuel injection system/sequen-
tial multiport fuel injection system, stop
lights, smart entry & start system, steer-
ing lock system, brake system, power
management system
18LH J/B-B7.5Body ECU
19S/ROOF20Moon roof
20P/SEAT2 F/L25Power seats
21TI & TE20Electric tilt and telescopic steering col-
umn
22A/C7.5Air conditioning system
FuseAmpereCircuit

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)

7966-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Right side instrument panel
Left-hand drive vehicles
FuseAmpereCircuit
1P/SEAT1 F/R30Power seats
2FR P/OUTLET15Power outlet (front)
3RR P/OUTLET15Power outlet (rear)
4P/SEAT2 F/R25Power seats
5AV S20AV S
6STRG HTR15Heated steering wheel
7WA S H20Windshield washer
8RH ECU-IG10
Navigation system, VGRS, pre-crash
seat belts, air conditioning system, brake
system, Lexus night view, yaw rate and
G sensor, DRS, capacitor
9RH-IG10
Tension reducer, seat heater/ventilator
switches, front right-hand door ECU,
“nanoe™”, CAN gateway ECU, tire pres-
sure warning system, power seats
10DOOR FR30
Front right-hand door control system
(outside rear view mirror defoggers,
power window)

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)