2008 Lexus GS350 maintenance

445
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
Check if the fuse has blown.
Type A
Normal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating. The
amperage rating can be found
on the fuse box lid.
Type BNormal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating. The
amperage rating can be found
on the fuse box lid.
Type CNormal fuse
Blown fuse
Contact your Lexus dealer.
STEP6

446
4-3. Do-it-yourself maintenance
GS_G_U
May 13, 2008 5:14 pm
Type DNormal fuse
Blown fuse
Contact your Lexus dealer.

447
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
Fuse layout and amperage ratings■ Engine compartment (Type A)
GS460
FuseAmpereCircuit
1ECU-B10VGRS, EPS, driver’s seat switch
module, Lexus link system ECU
2ABS MAIN310Electronically controlled 
brake system
3TURN-HAZ15Turn signal lights, emergency flashers
4IG2 MAIN20IG2, GAUGE and IGN
5RAD NO.230Audio system
6D/C CUT20DOME and MPX-B
7RAD NO.130Audio system

448
4-3. Do-it-yourself maintenance
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
8MPX-B10
Multiplex communication system,
front controller, door control system
(power door lock system, door cour-
tesy lights, power windows, power
rear view mirror control system, out-
side rear view mirror heaters), power
seat system, steering sensors, elec-
tronically controlled brake system, tilt
and telescopic steering wheel,
gauges and meters, combination
switch
9DOME10
Foot lights, vanity lights, gauges and
meters, steering spot light, steering
switch illumination, rear personal
lights, automatic transmission selec-
tor lever spot light, front personal
lights
10CDS10Noise filter
11ABS MAIN210Electronically controlled 
brake system
12ABS MOTOR30ABS
13ABS MAIN110Capacitor
14BATT-E/G60FR CTRL BATT, ETCS, ALT-S,
A/F HTR and INJ2
15P/ I - B60EFI NO.1, F/PMP and INJ
16ABS150VDIM
17RH J/B-B30AM2, DOOR FR and DOOR RR

449
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
18VGRS40VGRS
19MAIN30H-LP R LWR and H-LP L LWR
20STARTER30Starting system
21LH J/B-B30FL DOOR, RL DOOR and RAD
NO.3
22VVT40Electronic engine control system
23EPS80EPS
24ALT180
RH J/B-AM, LH J/B-AM, E/G-AM,
RR JB, HEATER, DEFOG, FAN1,
FAN2, ABS2, ABS MOTOR, 
ABS MAIN1, and ABS MAIN2
25RH J/B-AM80
AM1, OBD, STOP SW, TI&TE, 
PWR OUTLET, FR P/SEAT RH, 
STR LOCK, ECU-IG RH, RH-IG, 
ACC, CIG, SECURITY, 
FR S/HTR RH and AIR SUS
26FA N 380Electric cooling fans
27LH J/B-AM80
S/ROOF, P/SEAT, TV, FL S-HTR,
ECU-IG L, WIP, H-LP LVL, LH-IG,
FUEL OPN, A/C, PANEL, LH-B and
TRK OPN
28ABS230ABS
29DEFFOG50Rear window defogger, noise filter
30CDS40CDS

450
4-3. Do-it-yourself maintenance
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
31FA N 140Electric cooling fans
32HEATER50Air conditioning system
33FA N 240Electric cooling fans
34E/G-AM60H-LP CLN, FR CTRL ALT, A/C
COMP and STB-AM
35RR J/B80
STOP LP R, STOP LP L, RR-B, 
RR TAIL, RR FOG, RR-IG1, PSB, 
and RR S/SHADE

451
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U
May 13, 2008 5:14 pm
GS350
FuseAmpereCircuit
1ECU-B10VGRS, EPS, driver’s seat switch
module, Lexus link system ECU
2ABS MAIN325Electronically controlled 
brake system
3TURN-HAZ15Turn signal lights, emergency flashers
4IG2 MAIN20IG2, GAUGE and IGN
5RAD NO.230Audio system
6D/C CUT20DOME and MPX-B
7RAD NO.130Audio system
8MPX-B10
Multiplex communication system,
front controller, door control system
(power door lock system, door cour-
tesy lights, power windows, power
rear view mirror control system, out-
side rear view mirror heaters), power
seat system, steering sensors, elec-
tronically controlled brake system, tilt
and telescopic steering wheel,
gauges and meters, combination
switch

452
4-3. Do-it-yourself maintenance
GS_G_U
May 13, 2008 5:14 pm
FuseAmpereCircuit
9DOME10
Foot lights, vanity lights, gauges and
meters, steering spot light, steering
switch illumination, rear personal
lights, automatic transmission selec-
tor lever spot light, front personal
lights
10CDS10Noise filter
11ABS MAIN210Electronically controlled 
brake system
12ABS MOTOR30ABS
13ABS MAIN110Capacitor
14BATT-E/G60FR CTRL BATT, ETCS, ALT-S and 
A/F HTR
15ABS150VDIM system
16RH J/B-B30AM2, DOOR FR and DOOR RR
17VGRS40VGRS
18MAIN30H-LP R LWR and H-LP L LWR
19STARTER30Starting system
20LH J/B-B30FL DOOR, RL DOOR and RAD
NO.3
21P/ I - B60EFI NO.1, F/PMP and INJ
22EPS80EPS
23ALT150
RH J/B-AM, LH J/B-AM, E/G-AM,
RR JB, HEATER, DEFOG, FAN1,
FAN2, ABS2, ABS MOTOR, 
ABS MAIN1, and ABS MAIN2