ECU Lexus GS250 2014 Repair Manual

4986-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
8MPX-B10
Smart entry & start system, CAN gateway
ECU, electric tilt and telescopic steering col-
umn, power seats, head-up display, front
right-hand door ECU, gauges and meters,
steering sensor, yaw rate and G sensor, over-
head module, RR CTRL SW, clock, front left-
hand door ECU, power trunk lid, body ECU
9DOME7. 5
Personal lights, ornament lights, trunk light,
footwell lights, door courtesy lights, vanity
lights, rear door inside handle illuminations,
power trunk lid
10EPS80EPS
11ARS80No circuit
12HTR50Air conditioning system
13ABS NO.140VDIM
14LUG J/B ALT50Luggage compartment junction block
15PTC NO.150PTC heater
16PTC NO.250PTC heater
17ABS NO.250VDIM
18ST30Starting system
19H-LP LO30Headlights, H-LP RLY
20D/C C UT30DOME, MPX-B
21DCM7. 5DCM
22ECU-B7. 5Smart entry & start system
23ALT-S7. 5Charging system
FuseAmpereCircuit
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501 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
16MPX-B10
Smart entry & start system, CAN gateway
ECU, electric tilt and telescopic steering col-
umn, power seats, head-up display, front
right-hand door ECU, gauges and meters,
steering sensor, yaw rate and G sensor, over-
head module, RR CTRL SW, clock, front left-
hand door ECU, power trunk lid, body ECU
17FILTER10Condenser
18A/C COMP7. 5Air conditioning system
19H-LP CLN30Headlight cleaner
20FAN NO.240Electric cooling fans
21LH J/B ALT60Left-hand junction block
22FAN NO.180Electric cooling fans
23P/ I - B N O.150H-LP HI RH, H-LP HI LH, DRL, emergency
brake signal
24EPB30Pa r k in g b ra ke
25LUG J/B-B40Luggage compartment junction block
26R/B-B20EPS-B, TV
27HORN10Horn
28ETCS10Multiport fuel injection system/sequential
multiport fuel injection system
29ALT-S7. 5Charging system
30ECU-B7. 5Smart entry & start system
31DCM7. 5DCM
32D/C C UT30DOME, MPX-B
33ABS NO.250VDIM
34ST30Starting system
35H-LP LO30Headlights, H-LP RLY
FuseAmpereCircuit
GS350_250_OM_OM30E16E_(EE).book Page 501 Tuesday, July 8, 2014 7:11 PM

503 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
*: 8-speed models
12H-LP LH-LO20Left-hand headlight
13H-LP RH-LO20Right-hand headlight
14WA S H - S5Driver support system
15WIP-S7. 5Windshield wipers, power management sys-
tem
16COMB SW5Windshield wipers
17TV7. 5Remote Touch screen
18EPS-B5Electric power steering
19ODS5No circuit
20IG2 NO.15Power management system, DCM, CAN
gateway ECU
21GAUGE5Gauges and meters
22IG2 NO.2*5Multiport fuel injection system/sequential
multiport fuel injection system
FuseAmpereCircuit
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5046-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
■Left side instrument panel
XLeft-hand drive vehicles
FuseAmpereCircuit
1STOP7. 5Stop lights, high mounted stoplight
2P/ W- B5Power window master switch
3P/ S E AT 1 F/ L30Po w e r s e a t s
4D/L NO.125Power door lock system
5NV-IR10No circuit
6FL S/HTR10Seat heaters/ventilators
7WIPER30Windshield wipers
8WIPER-IG5Windshield wipers
9LH-IG10
Seat belts, body ECU, AFS, overhead mod-
ule, 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 sys-
tem, Remote Touch screen, electric tilt and
telescopic steering column, power seats,
moon roof, Lexus parking assist-sensor
switch, Blind Spot Monitor buzzer
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505 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
10LH ECU-IG10
VDIM, D-SW MODULE (Blind Spot Moni-
tor, heated steering wheel), driver support
system, AFS, EPB
11DOOR FL30Outside rear view mirror defoggers, power
window (front left-hand)
12CAPACITOR
(HV)10No circuit
13STRG LOCK15Steering lock
14D/L NO.225Power door lock system
15DOOR RL30Power window (rear left-hand)
16HAZ15Turn signal lights, emergency flashers
17LH-IG210
Multiport fuel injection system/sequential
multiport fuel injection system, stop lights,
smart entry & start system, steering lock sys-
tem
18LH J/B-B7. 5Body ECU
19S/ROOF20Moon roof
20P/ S E AT 2 F/ L25Po w e r s e a t s
21TI & TE20Electric tilt and telescopic steering column
22A/C7. 5Air conditioning system
FuseAmpereCircuit
GS350_250_OM_OM30E16E_(EE).book Page 505 Tuesday, July 8, 2014 7:11 PM

5066-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
XRight-hand drive vehicles
FuseAmpereCircuit
1P/ S E AT 1 F/ L30Po w e r s e a t s
2D/L NO.125Power door lock system
3NV-IR10No circuit
4FL S/HTR10Seat heaters/ventilators
5STRG HTR15Heated steering wheel
6WIPER-IG5Windshield wipers
7LH-IG10
Seat belts, body ECU, AFS, Remote Touch
screen, overhead module, raindrop sensor,
moon roof, inside rear view mirror, LKA,
front left-hand door ECU, Lexus parking
assist-sensor, power seats, CAN gateway
ECU, Blind Spot Monitor buzzer
8LH ECU-IG10Yaw rate and G sensor, air conditioning sys-
tem, AFS, driver support system
9DOOR FL30Outside rear view mirror defoggers, power
window (front left-hand)
10CAPACITOR
(HV)10No circuit
11AM27. 5Power management system, smart entry &
start system
12D/L NO.225Power door lock system
13DOOR RL30Power window (rear left-hand)
14HAZ15Turn signal lights, emergency flashers
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507 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
15LH-IG210
Multiport fuel injection system/sequential
multiport fuel injection system, stop lights,
smart entry & start system, steering lock sys-
tem
16LH J/B-B7. 5Body ECU
17S/ROOF20Moon roof
18P/ S E AT 2 F/ L25Po w e r s e a t s
19A/C7. 5Air conditioning system
FuseAmpereCircuit
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5086-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
■Right side instrument panel
XLeft-hand drive vehicles
FuseAmpereCircuit
1P/ S E AT 1 F/ R30Po w e r s e a t s
2FR P/OUTLET15Po w e r o u t l e t ( f r o n t )
3RR P/OUTLET15Power outlet (rear)
4P/ S E AT 2 F/ R25Po w e r s e a t s
5AV S20AV S
6STRG HTR15Heated steering wheel
7WA S H20Windshield washer
8RH ECU-IG10Navigation system, pre-crash seat belts, air
conditioning system
9RH-IG10
Tension reducer, seat heater/ventilator
switches, AWD system, front right-hand
door ECU, “nanoe™”, CAN gateway ECU,
tire pressure warning system, power seats,
driver monitor system
10DOOR FR30
Front right-hand door control system (out-
side rear view mirror defoggers, power win-
dow)
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509 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
11DOOR RR30Power window (rear right-hand)
12RAD NO.230Audio system
13AM27. 5Smart entry & start system
14MULTIMEDIA10Navigation system, Remote Touch
15RAD NO.130Audio system
16AIR BAG10SRS airbag system
17OBD7. 5On-board diagnosis system
18ACC7. 5
Body ECU, DCM, head-up display, RR
CTRL, Remote Touch screen, navigation sys-
tem, clock, transmission
FuseAmpereCircuit
GS350_250_OM_OM30E16E_(EE).book Page 509 Tuesday, July 8, 2014 7:11 PM

5106-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
XRight-hand drive vehicles
FuseAmpereCircuit
1STOP7. 5Stop lights, high mounted stoplight
2P/ S E AT 1 F/ R30Po w e r s e a t s
3FR P/OUTLET15Po w e r o u t l e t ( f r o n t )
4P/ W- B5Power window master switch
5RR P/OUTLET15Power outlet (rear)
6P/ S E AT 2 F/ R25Po w e r s e a t s
7AV S20AV S
8WIPER30Windshield wipers
9WA S H20Windshield washer
10RH ECU-IG10Navigation system, VDIM, D-SW MODULE
(Blind Spot Monitor, heated steering wheel)
11RH-IG10
Tension reducer, AWD system, power seats,
head-up display, front right-hand door ECU,
“nanoe™”, shift lock system, electric tilt and
telescopic steering column, seat heater/ven-
tilator switches, smart entry & start system
antennas, tire pressure warning system
receiver, driver monitor system
12DOOR FR30
Front right-hand door control system (out-
side rear view mirror defoggers, power win-
dow)
GS350_250_OM_OM30E16E_(EE).book Page 510 Tuesday, July 8, 2014 7:11 PM