TOYOTA LAND CRUISER 1986 Factory Repair Manual

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

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

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

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

2004 LAND CRUISER (EWD548U)
178Multiplex Communication System
B 7(
A)
, B 8(
B)
, B 9(
C)
W- B
SB
R- Y
SB
L- Y10A
HORN
1B 21
2B 9
2Q 24C CT 5
2Q 26
2Q 22 2I2 IL3 12 IL322 IL36 10A
ECU- B2 From Power Source System
(
See Page 94)
3Q 44 3Q71
IF 2Q 20
2E18LP(
*1) B 14(
*2) A 21(
*1)
A 3(
*1)
B 8(
*2) 3Q 76
3D 12IL3 5IL320
3Q 73
3E 13
4D 14
4D 5
J14
M 5(
A)
, M 9(
B)
3E 20
3E 12
7B 7
7B 8
9
7
HORN Relay
C 17
D 7
OBD2
+B2 E HORN IND REV
329525 23
SB G- O SB
SB
B
W- B
G- O
G- R
B SBV- W V- W V- W
SB
L- W
SB
SB
SB B G- RSB
W- B
B
V- WL- W
SB
TAC
SIL
L- YSB R- YSB
W- B W- B
SB SB
11BECU
SECURITY(
*2)
GND(
*2) GN D1(
*1)
GN D1(
*1)
Data Link
Connector 3Multi- Display
Theft Deterrent ECU Body ECU
Junction
Connector

2004 LAND CRUISER (EWD548U)
179
B 7(
A)
, B 8(
B)
, B 9(
C)
IL3 8
3Q 82
3B 4
EA2 6
2 1
EAIL3 7
63B 84 3Q
1
E 3
T 1
IL3 3
IU3 147. 5A
SECURITY From Power Source System
(
See Page 94)
3E 16 3Q 72 IL3 14
Z 1
SB
L- YSB
R- Y
SB
L- YSB
R- Y
W- BSB L- W34 1 11 2DSWH SH- GBS +B1
L- B
W
Y- G
LG SB
SB
SB
SB
LG
SB L- B
W
Y- G L- B W- B
T 5
LG
2 1
SB L- WSB
W- B * 1 : w/ Navigation System
* 2 : w/o Navigation System
Engine Hood
Courtesy SW
Theft Deterrent Horn
Theft Deterrent ECU Body ECU
10IG
IL3 15
B
12 31
R- B
MPX1
SB
KSW
IL3 9IL31
E EIU3 15C 26
SB
SB B
MPX3
J14
Junction
ConnectorB- W
SB
Option Connector
(
Glass Breakage Sensor)

2004 LAND CRUISER (EWD548U)
180Multiplex Communication System
B 7(
A)
, B 8(
B)
, B 9(
C)
SB L- WSB
W- BSB
L- YSB
R- Y18 3E
46 3Q 23 3E C 14KSW
R- B
1 2
13P 33PU 1 R- B
W- B W- B
16345DN UP LMT PLS SGND
E PLS LMT U P 14235
G
Y
L- Y
L- W
BR- BWW
P15A 11
IY2 11MPX4
20A
P/W
(
FR) From Power Source System (
See Page 94)
3I 2
8
MPX1 12
BDR11
PCTY- B
L- W B- W
SB
SB
L- Y R- YSB W- B GND
7
W- B
SEL1
9
W- B W- B
P18
SBL
Y- B
B 8
B 8
3I 9
II
W- B
Power Window Motor Front RH Power Window
Control SW
Fro nt RH
Unlock Warning SW
Body ECU
10SIG
10A
ECU- IG1
2Q 21 1 2I
L B- WSB
74 3Q
SB
SB SB

2004 LAND CRUISER (EWD548U)
181
B 7(
A)
, B 8(
B)
, B 9(
C)
W
Y- B
16345DN UP LMT PLS SGND
E PLS LMT U D 14235
G
Y
L- Y
L- W
BR- B Y- BWW
P16B 14
ID4 19
BA4 11 BA410 MPX5
20A
P/W
(
RR) From Power Source System
(
See Page 94)
3K 37
BC4 1BC310
BK 12 7BDR GND
L
W- B W- BL
Y- B
Y- B
BA3 10 BA412
BJ 710 GND SEL2
W- B
W- B W- B
BA3 1
BD4 4 20A
P/W
(
RL) From Power Source System
(
See Page 94)
3E 33
L
12BDR
L L
W- B
W- B W- B
W- B
11
PCTI 8
MPX1 Y- B
L- W B- W
SB L- W B- W
SB
SB
L- Y R- YSB W- B W- B
SB
L- Y R- YSB W- BP19P20
SB SBB 4
B 9 Power Window Motor Rear LH Power Window Control SW Rear LHPower Window Control
SW Rear RH Body ECU

2004 LAND CRUISER (EWD548U)
182Multiplex Communication System
B 7(
A)
, B 8(
B)
, B 9(
C)
L- W B- W
SB
L- Y R- YSB W- B16345DN UP LMT PLS SGND
E PLS LMT U D 14235
G
Y
L- Y
L- W
BR- B
P17B 16
IV 4 9
BC4 11 BC410 MPX6
SB
W W
Y- B Y- BW
2J 102K 26 2Q 74 3Q 19 3J 4 3K 30
6 SB Y- B
Y- B
Y- B Y- B
SB20A
P/W
(
FL) From Power Source System
(
See Page 94)
3E 1
72I 42 2E Y- B
Y- B
WLSW P12 P20
L
L
B- W
L- W
10 20 9BDR SIG CPUB
11 1 5 15 13DN UP LMT PLS SGND
E PLS LMT U D 14235
G
Y
L- Y
L- W
BR- B
P14
W- B
SB
L- Y R- YSB W- BSB
W- BSB 811
PCTI MPX1Power Window Master SW
Power Window Motor Front LH Power Window Motor Rear RH Power Window Control
SW Rear RHBody ECU

2004 LAND CRUISER (EWD548U)
183
B 7(
A)
, B 8(
B)
, B 9(
C)
24 A
IC2 11
7
MPX1
B B
MPX1
UnlockLock
3 21D18
414 2 316KL KUL GND KEYE LSWD
L- W
G- B
W- B
W- B
L- B
W- B W- BP12
W- BSB
W- B
SB
R- Y
L- YSBSB
L- Y R- YSB W- B SB
W- B
W- BL- B BC4 14BC3 8BC39 3K 53K34 3I53E 42
3I 33E39
BC4 13BL5 2BD4 9
42 3
1
V
L- BV
L- B W- B W- BV
V
L- B
GR- L GR - L
GR - L
D24GR- L
L- B
V V
SB
SB L- B
L- B
GR - L
B 2 B 2
B 2
IF 2I 8
W- BDoor Key Lock and
Unlock SW LH
Door Lock Motor Rear RH
Door Unlock Detection
SW Rear RH Power Window Master SWBody ECU