Page 2177 of 3115
2004 LAND CRUISER (EWD548U)
170Multiplex Communication System (Communication Bus)
Multiplex Communication System Includes Following Systems
* Automatic Light Control
* Door Lock Control
* Front Fog Light
* Headlight
* Interior Light
* Key Reminder
* Light Auto Turn Off
* Power Window
* Theft Deterrent
* Wireless Door Lock Control
Page 2178 of 3115
2004 LAND CRUISER (EWD548U)
171 Memo
Page 2179 of 3115
2004 LAND CRUISER (EWD548U)
172Multiplex Communication System
120A
J/B
NO. 1
140A
ALTF15 From Power Source System (
See Page 94)
7. 5A
IDLE UP
2G 2B 7(
A)
, B 8(
B)
, B 9(
C)
A 27 A3
Battery15 232G 1
2K 92Q79
1 4
3
OFF
DOOR ON
BR1 8
BR1 9 BR1 11
F11
F1 0
G- W
B- G
SB
L- Y B- GR
R- W L- Y
SB
R
R W W- B
W
W W- BDOME Relay
DEF LMRY
W- B
R
G- W
B 7 B 7
B 7
IF 2L 11
W- B
2 1
1R 2L 8
25A DOOR12BDR1
Front Personal Light
Body ECU
Fr ont Interior Light
Rear Per sonal Light
Fusible Link Block
B
120A
MAIN 2B- G
B- G
Page 2180 of 3115
2004 LAND CRUISER (EWD548U)
173
BR1 5
BR1 4
2L 18
2E 126 2
2E 15
2L 33Q 80
3K 221 2
1 2
1 2
1 2 IY2 12 BC42IC212 BA42 IV4 8ID420 B 22 B21 A 26 A 25
BC4 1 BA41
V 6
V 7
R27
D11
D13
D10
D12T10
G- W
B- G
SB
L- YR
W
G- Y
G- W
R
R
R
R
RG-RG- WG- RG- B
G- R
G- Y G- YG- RG- B
G- W R
PCYL RCYL DCYL LCYL
B- G
SB
L- Y G- Y
R
R
SB
R R
B 7(
A)
, B 8(
B)
, B 9(
C)
ILE
13
2 1
2 11
OFF
DOOR ON
W
23J 7 B 7 B 7
B 7
R
R
R
W- B
W- B
W- B
R
G- Y W- BR2Q 27 2I 4 2K 22 2E 22
Door Courtesy Light Front LH Door Courtesy Light Front RH
Door Courtesy Light Rear LH Door Courtesy Light Rear RH Rear Inter ior Light
Ignition Key Cylinder Light Vanity Light LH
Vanity Light RH
Body ECU
B- GB- G
Page 2181 of 3115
2004 LAND CRUISER (EWD548U)
174Multiplex Communication System
B- G
SB
L- YB 7(
A)
, B 8(
B)
, B 9(
C)
10A
DOME
3Q 17 3Q45 5B 4
5D 32B 24 A 28
2A 16
2Q 53 From Power Source System (
See Page 94)
1C 21B59 1B 49 1A 62 1A 64
15A
FR FOG
FR FOG RelayTAIL Relay
1B 67
EAR- L
SB
W- B
SB
L- Y IDL TRLY
G G
G- B
SB
R- B
R- B
G- B
G
B- G
G- Y SB W- B
18
SB
1 2
F 2 W- B
15A
TAI L
1 2
F 1 W- B
E15
W- BG- Y
LP
B 6
G- Y
Front Fog Light LH
Front Fog Light RH
Body ECU
1A 61
B- G
B- G
Page 2182 of 3115
2004 LAND CRUISER (EWD548U)
175
B 7(
A)
, B 8(
B)
, B 9(
C)
10A
HEAD
LH- LWR
1A 1912 1A20A
HEAD
LH- UPR 10A
HEAD
RH- LWR
1A 91B22 1B102B 72G 9
1A 26
1 2
1 2
1 2
24 1A
30 1AA 7DRL
R- L
SB
W- B
SB
L- YW- B
R- W
SB
R- B
W- B
SB
L- Y
W- B R- L
R- B R- B W- B
R- G R- W
W- B W- B
R- Y R- Y H 2
H 4
H 1HEAD Relay
HEAD HI Relay
R- B
E 1
W- B E 220A
HEAD
RH- UPR
1A 8
R- WR- W Headlight LH
(
High) Headlight LH
(
Low)
Headlight RH
(
Low)
Body ECU
1C 1
B- G
R- L
B- G
Page 2183 of 3115
2004 LAND CRUISER (EWD548U)
176Multiplex Communication System
B 7(
A)
, B 8(
B)
, B 9(
C)
W- B
R- W
SB
R- B
W- B
SB
L- Y2B 52E11 17HRLY
C 20
A 5A1B4B2
1 2B 1
1B 131A 22 D 2(
A)
, D 3(
B) J 9
EE R- W R- WC 1C8C3C7
D D
II5 3 II5 1 II5 2
J 9 H 3
II5 5
G- O
G- B
R- W
SB
R- Y
W- B
W- B
R- Y
W- B
W- B
W- B
R- Y
R- W
G- B
G- O
R- B R- B R- BG- OG- B R- W R- Y
W- B
R- Y
W- B
W- B
HF2
W- B W- B
L- YSB
R- W
HEAD TAIL A HF
E 2E 2E 2
E 1
SB A3A 2B3
E 1
R- Y
R- W
R- W
W- BDaytime Running
Light Relay
No. 3
Headlight RH (
High)
Body ECU
Junction Connector
Junction
Connector
R- B
Page 2184 of 3115
2004 LAND CRUISER (EWD548U)
177
B 7(
A)
, B 8(
B)
, B 9(
C)
Auto
Low
High
Flash
OFF
ON
Di mmer SW Fog
Light
SWLight Control
SW
OFF
Tail
Head
SB G- O
R- Y R- B
R- W
L- YSBII5 4
II3 3IU3 5IU317 IU318 IU316
A A C CC 2C6C21 C 4
CLTS CLTB CLTE436 11 10 17 1613 14 12 8J 9
A31
J13
A A
II 3E 35 3D83D10H HH 7J 3
J10 C16B
CB
G- Y
R- L
W- B
R- Y
SB
Y
R
BR SBSB SB SB R- YR- Y
Y
R
BR R- W
G- B
G- O
R- B
R- Y
Y W- B
W- B
W- B
HU CLTS CLTB CLTE
W- B
SB
R- Y
SB
L- Y G- B
SB
W- B
Automatic Light
Control Sensor Combination SWBody ECU
Junction
Connector
Junction
Connector
Junction
Connector
Junction
Connector
C
C
Junction
Connector J 6
IM2 3 IM2 1 IM2 2
IH2 3