Lexus LS400 (2000 year). Service manual — part 28
BE0B7–01
I03499
*1: USA
*2: CANADA
D FR DOOR
P FR DOOR
SEAT FR
PWR
D RR DOOR
P RR DOOR
FR FOG
STOP
FUEL OPN
H/CTRL
ABS
HTR
DEF
Deffoger Relay
MIR HTR
ALT
AM1
AM2
Headlight Control Relay
MAIN
*1
*2
ST
EFI No.1
HAZ
HORN
TEL
ALT–S
ETCS
CRT
RADIO No.1
Battery
11
14
9
8
33
34
17
19
21
10
1
3
4
5
2
6
50
7
41
42
45
44
49
46
12
53
32
2
7
3
4
6
8
Ignition Switch
ACC
IG1
IG2
Headlight Control Relay
ST2
DRL
EFI Main Relay
Short Pin
AM1
AM2
H–LP R LWR
H–LP L LWR
54
37
38
Taillight Control Relay
Ignition Switch
Stop Light Switch
Engine Main Relay
1
2
EFI No.2
DOME
OBD
ECU–B
MPX–B
43
47
22
48
13
H–LP R UPR
H–LP L UPR
H–LP R LWR
H–LP L LWR
H–LP R UPR
H–LP L UPR
ECU–IG
IGN
STARTER
Daytime
Running Light No.2 Relay
TURN
PWR–IG
37
38
39
40
39
40
RADIO No.2
HEATER
WIPER
GAUGE
FR CIG
RR CIG
29
30
31
27
25
23
24
28
26
36
35
TAIL
PANEL
AIR SUS
STOP–S
FR S/HTR
RDI FAN
15
16
18
20
51
52
Headlight Control Relay
–
BODY ELECTRICAL
POWER SOURCE
BE–19
1882
CIRCUIT
1.
WIRING DIAGRAM
BE–20
–
BODY ELECTRICAL
POWER SOURCE
1883
The power source supplies power to each of the vehicle’s elec-
trical devices. It is composed of the battery, fuses and relays,
which are located centrally at engine room junction block, en-
gine room No.1 relay block, fusible link block and engine room
No.2 relay block in the engine compartment, and instrument
panel junction block in the cabin near the driver’s feet.
2.
RELATED SYSTEMS FOR EACH FUSIBLE LINK, ME-
DIUM CURRENT FUSE AND FUSE
Parts Name
Related Systems or Parts
Related Systems or Parts
1. ABS H–Fuse
ABS System
TRAC System
2. ALT H–Fuse
A/C System
Air Suspension System
Defogger System
Electrically Controlled Transmission System
Fog Light System
Fuel Lid Opener System
Illumination Light System
Light Fuiler Relay
Power Shoulder Belt Anchorage System
Radiator Fan System
Rear Combination Light System
Seat Heater System
Stop Light System
Tailight System
Tilt & Telescopic Steering System
VSC
3. HTR H–Fuse
A/C System
4. DEF H–Fuse
Defogger System
5. AM1 H–Fuse
A/C System
Air Suspension System
Audio System
Auto Antenna System
Back–up Light System
Body ECU System
Cellular Phone
Cigarette Lighter System
Combination Meter
Deffoger System
Electro Chromic Mirror System
Electric Tension Reducer System
Electrically Controlled Transmission System
EMV
Generator System
Headlight Cleaner System
Heater System
Illuminated Entry System
Light Failure Sensor
Shift Lock System
Power Seat System
Progressive Power Steering System
Rheostat Light Control
SRS
Tilt & Telescopic Steering System
Turn Signal Light System
VSC System
Wiper System
6. AM2 H–Fuse
Electrically Controlled Transmission System
Engine
Starter
7. MAIN H–Fuse
A/C System
Air Suspension System
Auto Antenna System
Cellular Phone
Check Connector
Combination Meter System
Daytime Running Light System
Deffoger System
Electrically Controlled Transmission System
Engine
Generator System
Hazard Warning System
Heater System
Headlight System
Horn
OBD II
Power Seat Control System
Power Shoulder Belt Anchorage System
SRS
Starter
Tilt & Telescopic Steering System
8. PWR H–Fuse
Power Shoulder Belt Anchorage System
Sliding Roof System
Tilt & Telescopic Steering System
9. SEAT FR
H–Fuse
Power Seat System
10. H/CTRL
H–Fuse
Air Suspension System
–
BODY ELECTRICAL
POWER SOURCE
BE–21
1884
11. D FR DDOR
Fuse
Driver Door Control System
12. ETCS Fuse
Engine
13. MPX–B Fuse
Combination Meter
MPX
14. P FR DOOR
Fuse
Front Passenger Door Control System
15. TAIL Fuse
Parking Light
Rear Combination Light
Side Marker Light
Taillight
16. PANEL Fuse
Illumination Light System
17. FR FOG LP
Fuse
Fog Light System
18. AIR SUS Fuse
Air Suspension System
19. STOP Fuse
Stop Light System
20. STOP–S Fuse
Electrically Controlled Transmission System
Shift Lock System
Stop Light System
21. FUEL OPN
Fuse
Power Shoulder Belt Anchorage System
Fuel Lid Opener System
22. OBD Fuse
OBD II
23. GAUGE Fuse
Back–up Light System
Combination Meter
Daytime Running Light System
Electrically Controlled Transmission System
Engine
Illuminated Entry System
Light Failure Sensor
Power Shoulder Belt Anchorage System
Rheostat Light Control
Shift Lock System
Tilt & Telescopic System
24. TURN Fuse
Turn Signal Light System
25. WIPER Fuse
Headlight Cleaner System
Wiper and Washer System
26. ECU–IG Fuse
Air Suspension System
Cellular Phon
Electro Chromic Inner Mirror System
Generator
Power Seat System
Progressive Power Steering
Shift Lock System
VSC
27. HEATER Fuse
A/C System
Defogger System
Heater System
28. PWR–IG Fuse
Auto Antenna System
Electric Tension Reducer System
Headlight Level Control System
MPX
29. FR CIG Fuse
A/C System
Front Cigarette Lighter
SRS
30. RR CIG Fuse
Rear Cigarette Lighter
Shift Lock System
31. RADIO No.2
Fuse
Audio System
Auto Antenna System
Body Control System
EMV
32. RADIO No.1
Fuse
Audio System
EMV System
33. D RR DOOR
Fuse
Rear Door Control System
34. P RR DOOR-
Fuse
Rear Door Control System
35. STARTER
Fuse
Starter
36. IGN Fuse
Electrically Controlled Transmission System
Engine
SRS
BE–22
–
BODY ELECTRICAL
POWER SOURCE
1885
37. H–LP R LWR
Fuse
Headlight (RH)
38. H–LP L LWR
LH Fuse
Headlight (LH)
39. H–LP R UPR
RH Fuse
(CANADA)
Headlight HI–Beam (RH)
40. H–LP L UPR
LH Fuse
(CANADA)
Headlight HI–Beam (LH)
41. ST H–Fuse
Starter
42. EFI No.1 Fuse
Check Connecter
Electrically Controlled Transmission System
Engine
43. EFI No.2 Fuse
Engine
44. HORN Fuse
Horn
45. HAZ Fuse
Hazard Warning System
46. ALT–S Fuse
Generator
47. DOME
Fuse
MPX
Power Seat Control System
48. ECU–B Fuse
Air Suspension System
Daytime running Light System
SRS
VSC
49. TEL Fuse
Cellular Phone
50. MIR HTR
Fuse
Mirror Defogger System
51. FR S/HTR
HTR Fuse
Seat Heater System
52. RDI FAN
M–Fuse
Radiator Fan
53. CRT Fuse
EMV
54. DRL Fuse
Daytime Running Light System
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