Page 817 of 1014
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
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 819 of 1014
795 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30D53E_(EE)
14HAZ15Turn signal lights, emergency flashers
15LH-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
16LH J/B-B7.5Body ECU
17S/ROOF20Moon roof
18P/SEAT2 F/L25Power seats
19A/C7.5Air conditioning system
FuseAmpereCircuit
Page 820 of 1014
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)
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 824 of 1014
8006-3. Do-it-yourself maintenance
GS450h_300h_OM_OM30D53E_(EE)
Trunk
FuseAmpereCircuit
1PSB30Pre-crash seat belts
2PTL25Power trunk lid
3RR J/B-B10Smart entry & start system
4RR S/HTR20Seat heaters (rear)
5FR S/HTR10Seat heaters/ventilators (front)
6RR FOG10Rear fog light
7DC/DC-S (HV)7.5DC/DC converter
8BATT FAN (HV)20Hybrid battery (traction battery) cooling
fan system
9SECURITY7.5SECURITY
10ECU-B NO.37.5Parking brake
11TRK OPN7.5Power trunk lid, trunk open motor
12DCM (HV)7.5No circuit
13AC INV (HV)20No circuit
14RR-IG15Radar sensor, Blind Spot Monitor
15RR ECU-IG10
Power trunk lid, parking brake, tension
reducer (rear left-hand), RR CTRL SW,
tire pressure warning system
16EPS-IG5Electric power steering system
17BACK UP7.5Back-up light