2008 TOYOTA LAND CRUISER ECU

418 4−3. Do−it−yourself maintenance
16 STOP15 AStoplights, high mounted stop−
light, brake controller, towing
converter, ABS, VSC, main
body ECU, EFI
17 TOW BRK30 A
Brake controler
18 RR AUTO A/C50 A
Rear blower control
19 PTC−150 A
PTC heater
20 PTC−250 A
PTC heater
21 PTC−350 A
PTC heater
22 RH−J/B40 A
No circuit
23 SUB BATT40 A
To w i n g
24 VGRS40 A
No circuit
25 H−LP CLN30 A
Headlight cleaner
26 DEFOG30 A
Rear window defogger
27 AHC60 A
No circuit
28 HTR50 A
Blower controller
29 PBD30 A
No circuit
30 LH−J/B150 A
Main body ECU
31 ALT180 A
No circuit
32 A/PUMP NO.150 A
AI DRIVER
33 A/PUMP NO.250 A
AI DRIVER2
34 MAIN40 AHeadlight, daytime running
light system
35 ABS150 A
ABS
36 ABS230 A
ABS
37 ST30 A
Starter system
38 IMB7.5 AID code box, smart key sys−
tem, GBS
39 AM25 A
Main body ECU
40 DOME27.5 A
Vanity lights, overhead module
FuseAmpereCircuit

419
4−3. Do−it−yourself maintenance
4
Maintenance and care
41 ECU−B25 ADriving position memory sys−
tem
42 TEL5 A
No circuit
43 RSE7.5 A
Rear seat entertainment
44 TOWING30 A
To w i n g
45 DOOR NO.225 A
Main body ECU
46 STR LOCK20 A
Steering lock system
47 TURN−HAZ15 AMeter, front turn signal lights,
rear turn signal lights, towing
converter
48 EFI MAIN220 A
Fuel pump
49 ETCS10 A
EFI
50 ALT−S5 A
IC−ALT
51 AMP30 A
Audio system
52 RAD NO.110 ANavigation system, radio
receiver assembly
53 ECU−B15 Asmart key system, overhead
module, tilt and telescopic
steering, meter, cool box, gate−
way ECU, steering sensor
54 DOME15 A
Door courtesy lights, clock
55 HEAD LH15 A
Headlight high beam (left)
56 HEAD LL15 A
Headlight low beam (left)
57 INJ10 A
Injector, ignition
58 MET5 A
Meter
59 IGN10 ACircuit open, SRS airbag sys−
tem, gateway ECU, occupant
detection system, smart key
system, ABS, VSC, steering
lock system, GBS
60 HEAD RH15 A
Headlight high beam (right)
FuseAmpereCircuit

421
4−3. Do−it−yourself maintenance
4
Maintenance and care
nDriver ’s side instrument panel
FuseAmpere Circuit
1 CIG 15 A Cigarette lighter
2 BK/UP LP 10 A Back−up lights, trailer
3 ACC 7.5 AStereo component amplifier
assembly, multi−display
assembly, gateway ECU, radio
receiver assembly, main body
ECU, mirror ECU, rear seat
entertainment, smart key sys−
tem, clock
4 PANEL 10 A
Four−wheel drive system, ash−
tray, cigarette lighter, brake
controller, cool box, cruise con−
trol, center differential lock,
DAC, multi−display assembly,
seat heater, air conditioning
system, glove box light, emer−
gency flasher, radio receiver
assembly, headlight cleaner,
inverter, driving position mem−
ory system, mirror ECU, over−
head module, roll sensing of
curtain shield airbags off
switch, shift lever switch, steer−
ing switches, VSC, console
switch

422 4−3. Do−it−yourself maintenance
5 ECU−IG NO.2 10 AAir conditioning system,
heater, overhead module,
ABS, VSC, steering sensor,
yaw rate & G sensor, main
body ECU, stoplights, moon
roof, clock, EC mirror
6 WINCH 5 A No circuit
7 A/C IG 10 ACool box, condenser fan,
cooler compressor, MG CL,
rear window defogger, RR
MGC VLV
8 TA I L 15 ATail lights, license plate lights,
front fog lights, front side
marker lights, rear side marker
lights, parking lights
9 WIPER 30 A Windshield wiper
10 WSH 20 A Windshield washer
11 RR WIPER 15 A Rear wiper
12 4WD 20 A 4WD
13 LH−IG 5 AAlternator, sub battery, seat
heater, windshield wiper de−
icer, seat belt pretensioners,
emergency flasher, inverter,
shift lever switch
14 ECU−IG NO.1 5 AABS, VSC, tilt and telescopic
steering, gateway ECU, shift
lock system, cruise control sys−
tem, pre−collision seat belt,
headlight cleaner, multi−dis−
play assembly, driving position
memory system, power door
lock system
15 S/ROOF
25 A Moon roof
FuseAmpereCircuit

423
4−3. Do−it−yourself maintenance
4
Maintenance and care
16 RR DOOR RH 20 A Power windows
17 MIR 15 AMirror ECU, outside rear view
mirror heater
18 RR DOOR LH 20 A Power windows
19 FR DOOR LH 20 A Power windows
20 FR DOOR RH 20 A Power windows
21 RR FOG 7.5 A No circuit
22 A/C 7.5 A Air conditioning system
23 AM1 5 A No circuit
24 TI & TE 15 A Tilt and telescopic steering
25 FR P/SEAT RH 30 A Front seat adjustment
26 PWR OUTLET 15 A Power outlet
27 OBD 7.5 A DLC3
28 PSB 30 A Pre−collision seat belt
29 DOOR NO.1 25 A Main body ECU
30 FR P/SEAT LH 30 A Front seat adjustment
31 INVERTER
15 A Inverter
FuseAmpereCircuit

424 4−3. Do−it−yourself maintenance
nPassenger ’s side instrument panel
FuseAmpere Circuit
1 RSF LH 30 A No circuit
2 B/DR CLSR RH 30 A No circuit
3 B/DR CLSR LH 30 A No circuit
4 RSF RH 30 A No circuit
5 DOOR DL 15 A No circuit
6 AHC−B 20 A No circuit
7 AHC−B NO.2 10 A No circuit
8 ECU−IG NO.4 5 A Tire pressure warning system
9 SEAT−A/C FAN 10 A No circuit
10 SEAT−HTR 20 A Seat heater
11 AFS 5 A No circuit
12 ECU−IG NO.3 5 A No circuit
13 TV
10 A Multi−display assembly
ITN42C018

431
4−3. Do−it−yourself maintenance
4
Maintenance and care
nFront turn signal light
For the left side only: Remove
the securing bolt and move the
washer fluid filler opening.
Turn the bulb base counterclock−
wise.
Remove the light bulb.
ITY43C012
STEP1
ITY43C044
STEP2
ITY43C045
STEP3

432 4−3. Do−it−yourself maintenance
nFront side marker light
For the left side only: Remove
the securing bolt and move the
washer fluid filler opening.
Turn the bulb base counterclock−
wise.
Remove the light bulb.
ITY43C012
STEP1
ITY43C050
STEP2
ITY43C051
STEP3