Page 1961 of 3115

2004 LAND CRUISER (EWD548U)
378I GROUND POINT
Turn Signal
Flasher Seat Heater SW
(
Dr iver' s Seat)
Seat Heater SW
(
Front Passenger' s
Seat)W- B
W- BW- B Power Outlet
(
Rear Console Box)
Tilt and
Telescopic ECUW- B
W- B
J 3
A
Center Airbag
Sensor
Assembly Multi- DisplayW- B
IG1 NO. 3 RelayIP22
AF
B H
B H
B H3D8
3D10
3D42
3D1
A E
B D
B D
II W- B
W- B
W- B
J 1
J18(
A)
, J19(
B) W- B AA J 9(
A)
, J10(
B)
W- B
3F6
3F9
IH (
E1)
(
E2)
(
CG)
Gateway ECUW- B
W- B3E35
A
A
W- B
Auto Antenna MotorFront Wiper Motor
Door Key Lock and
Unlock SW RH
Door Lock Motor
Fron t RH
Door Unlock
Detection SW
Fron t RH
Door Lock
Control SW RH
(
EW)
(
TB) E 5 3B1
EB
I 9W- B
W- BW- B W- B
A J16
3K31
W- B
(
EL) W- B
W- B
W- B W- B
Towing Brake
Controller 3I9
W- B
B 8W- B
W- B
II3 3
W- B 3Q58 SB W- B
SB
3E34
W- BRemote Control
Mirror RH W- B W- B BT1 4W- B
W- B
W- B
3B2
A W- BW- B
W- BW- B Data Link
Connector 1 W- B
Gateway ECUW- B
H
B
DVD Automatic
ChangerAF
W- B
14
2Q
IG(
GN D2)
Body ECU 3Q40
W- BW- B 6
3ECenter Diff. Lock
Control Relay
W- B Junction
Connector
Junction Connector
Junction
ConnectorJunction
Connector Junction Connector (
GND)
Blower Motor
Controller2
3H W- B
3D9Power Window
Contr ol SW
Front RH (
GN D)
(
SEL1)
Combination
SW
Combination
SW
Combination
SW
BR (
GND1)
Page 1962 of 3115

2004 LAND CRUISER (EWD548U)
379I
W- B
W- B 10
W- B A/C Amplifier
(
Rear)
Rear Combination
Light RH
Buckle SW RH
Seat Heater (
Fr ont
Passenger' s Seat)
Power Seat Control
SW (
Front
Passenger' s Seat)
Door Lock Motor
Rear RH
Door Unlock
Detection SW
Rear RHTrailer Socket
Rear Combination
Light RH
Rear Combination
Light LH
Back Door Key Lock
and Unlock SW Rear Window
Defogger
Back Door Lock
Motor
Back Door Unlock
Detection SW
Rear Wiper Motor
High Mounted
Stop Light
Back Door
Courtesy SW
License Plate
Light LH
License Plate
Light RH
Power Outlet
(
Luggage
Compartment)
Rear Combination
Light LHB28
B 9 BO3 8
BK B14
B16 BL1 12
B26 BH2 5 BD2 10
BMBP3 6 W- B
W- B
W- B
BQ2 W- B
W- B
W- B
W- B
W- B
W- B
W- B
W- B
W- B
W- BW- B
W- B
W- B W- B
W- B
W- B W- BW- B W- BW- B
W- B W- B
B11Towing Converter
Relay W- B Navigation
ECUW- B
Power Window
Control SW Rear RHW- B
BC310
W- BBW18
W- B W- B W- B
BO24
BV11
W- B W- BW- B IV418
W- B
W- B
BC414
W- B W- BW W- B
BX13
B15 Door Control
Receiver Buckle SW LH Door Lock Motor
Rear LH
Door Unlock
Detection SW
Rear LHBA414
BP49BM24
BU11
B 6
B11 W- B
W- B
W- BW- B
W- B W- B
W- B
W- B
W- B
W- B
BJ
W- BW- B W- B
BR
BR BR 36
Ig11
IP2Rear Seat Audio
Controller
BR
BR BR
B 9Stereo
Component
Amplifier (
E)
BL(
GN D2)
E E
W- B
W- B
Rear Cooler Power
Transistor
W- B B14
J25(
A)
Junction
Connector
W- B
(
SNSE)
(
GND)W- BW- B BF
A H
BF
A H
A H
BF Junction
Connector J23(
B)
, J25(
A)
(
*1)
(
*2) (
*1)
(
*2)
Television Camera
ECUW- B
Junction Connector J22
Towing Hitch
RelayW- B EBH2 3(
*1)
(
*2)* 2 : w/o Navigation System * 1 : w/ Navigation System
A DA D
Page 1963 of 3115
2004 LAND CRUISER (EWD548U)
380I GROUND POINT
5
Engine
Control
Module E 9
ECE10 5
IH2
IX18E10 E10 Ignition Coil and
Igniter No. 1
Ignition Coil and
Igniter No. 2
Ignition Coil and
Igniter No. 3
Ignition Coil and
Igniter No. 4
Data Link
Connector 3
Combination
SWIgnition Coil and
Igniter No. 5
Ignition Coil and
Igniter No. 6
Ignition Coil and
Igniter No. 7
Ignition Coil and
Igniter No. 8
Center Diff. Lock
Control Motor
Detection SW
(
Transfer Neutral
Position)
EB1
Detection SW
(
Center Diff. Lock)
(
E01)
(
E02)
(
E03)
(
ME01)
Combination
MeterED
IX2 5
E10W- B
W- B
W- B
W- B
W- B
W- B
W- B BR SB BR
BR
SB
W- BBR SB
BR
W- B
W- B
W- B
W- B
W- BW- BW- B
W- B
W- B
W- B
W- B
BR
E10
E10Vehicle Speed
Sensor
(
Combination Meter) BR
BR BR
BR
(
SG)
A/C Magnetic Clutch
A/C Lock SensorEB1 9
W- BIX1 9 3Q53
3E10
W- B
W- B
Noise Filter
(
Ignition) (
ECC)
BR
(
E1)
E10 BR BR
BR
BR
Page 1964 of 3115

2004 LAND CRUISER (EWD548U)
381I
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
J171J1171J2272
J371J1271J23B72
J871J1671J25A72
J9A71J18A71
J10B71J19B71
:Relay Blocks
CodeSee PageRelay Blocks (Relay Block Location)
122Engine Room R/B (Engine Compartment Left)
:Junction Block and Wire Harness Connector
CodeSee PageJunction Block and Wire Harness (Connector Location)
1A24Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
1B24Engine Room No.2 Wire and Engine Room J/B (Engine Compartment Left)
2A28Engine Room No 2 Wire and Cowl Side J/B LH (Left Kick Panel)2B28Engine Room No.2 Wire and Cowl Side J/B LH (Left Kick Panel)
2D28Dash Wire and Cowl Side J/B LH (Left Kick Panel)2E28Dash Wire and Cowl Side J/B LH (Left Kick Panel)
2I28Front Door LH Wire and Cowl Side J/B LH (Left Kick Panel)
2K28Floor No.1 Wire and Cowl Side J/B LH (Left Kick Panel)
2L28Roof No.1 Wire and Cowl Side J/B LH (Left Kick Panel)
2Q30Instrument Panel Integration Wire and Cowl Side J/B LH (Left Kick Panel)
3B40Engine Room No.2 Wire and Cowl Side J/B RH (Right Kick Panel)
3D
3E40Dash Wire and Cowl Side J/B RH (Right Kick Panel)3F40Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3H
3I40Front Door RH Wire and Cowl Side J/B RH (Right Kick Panel)
3K40Floor No.2 Wire and Cowl Side J/B RH (Right Kick Panel)
3M
3N43Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3P
(g )
3Q42Instrument Panel Integration Wire and Cowl Side J/B RH (Right Kick Panel)
4B
4C
4D52Dash Wire and J/B No.4 (Instrument Panel Center)
4E
()
4F
Page 1965 of 3115

2004 LAND CRUISER (EWD548U)
382I GROUND POINT
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
EB176Engine Wire and Transmission Wire (On the Transmission)
IE278Dash Wire and Roof No.1 Wire (Left Kick Panel)
IF278Instrument Panel Integration Wire and Instrument Panel Wire (Left Side of Instrument Panel)
IH280Instrument Panel Integration Wire and Column Wire (Near the Ignition SW)
II380Dash Wire and Column Wire (Near the Ignition SW)
IL380Instrument Panel Integration Wire and Computer Wire (Instrument Panel Center)
IP280Rear Console Box Wire and Dash Wire (Right Side of Rear Console)
IQ180Instrument Panel Integration Wire and Lamp Wire (Behind the Glove Box)
IU282Instrument Panel Integration Wire and Dash Wire (Behind the Glove Box)
IV482Dash Wire and Floor No.2 Wire (Right Kick Panel)
IX182Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)IX282Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)
Ig184Dash Wire and Floor No.2 Wire (Right Side of Front Console)
BA386Rear Door LH Wire and Floor No 1 Wire (Left Side of Center Pillar)BA486Rear Door LH Wire and Floor No.1 Wire (Left Side of Center Pillar)
BB186Floor No.1 Wire and Fuel Tank Wire (Near the Fuel Tank)
BC386Rear Door RH Wire and Floor No 2 Wire (Right Side of Center Pillar)BC486Rear Door RH Wire and Floor No.2 Wire (Right Side of Center Pillar)
BD286Floor No.3 Wire and Floor No.1 Wire (Left Rear Side Quarter Panel)
BH286Pillar No.1 Wire and Back Door Upper Wire (Left Side of Back Door)
BL188Floor No.2 Wire and Floor No.3 Wire (Right Side of Rear Floor Crossmember)
BM290Floor No 1 Wire and Front Seat LH Wire (Front Side Under the Driver's Seat)BM390Floor No.1 Wire and Front Seat LH Wire (Front Side Under the Driver's Seat)
BO290Floor No 2 Wire and Front Seat RH Wire (Front Side Under the Front Passenger's Seat)BO390Floor No.2 Wire and Front Seat RH Wire (Front Side Under the Front Passenger's Seat)
BP388Pillar No 1 Wire and Floor No 1 Wire (Left Rear Side Quarter Panel)BP488Pillar No.1 Wire and Floor No.1 Wire (Left Rear Side Quarter Panel)
BQ288Back Door Lower Wire and Floor No.1 Wire (Left Rear Side Quarter Panel)
BR188Roof No.3 Wire and Roof No.1 Wire (Front Side of Roof)
BS188Door Lock LH Sub Wire and Front Door LH Wire (Front Door LH)
BT188Door Lock RH Sub Wire and Front Door RH Wire (Front Door RH)
BU188Floor No.1 Wire and Floor No.1 Wire (Near the Left Rear Suspension Support)
BV188Floor No.2 Wire and Floor No.2 Wire (Near the Right Rear Suspension Support)
BW188Floor No.2 Wire and A/C Sub Wire (Right Side Rear Quarter Panel)
BX188Frame No.4 Wire and Floor No.3 Wire (Left Side of Rear Floor Crossmember)
:Ground Points
CodeSee PageGround Points Location
EA76Front Right Side of Fender ApronEB76Front Right Side of Fender Apron
EC76Rear Bank of Right Cylinder Head
ED76Rear Bank of Left Cylinder Head
EE76Front Left Side of Fender Apron
IF78Set Bolt of Cowl Side J/B LHIG78Set Bolt of Cowl Side J/B LH
IH78Set Bolt of Cowl Side J/B RHII78Set Bolt of Cowl Side J/B RH
BJ86Under the Driver's Seat
BK86Front Side Under the Front Passenger's Seat
BL86Rear Side Under the Front Passenger's Seat
BM86Left Rear Side Quarter Panel
Page 1966 of 3115
2004 LAND CRUISER (EWD548U)
383I
:Splice Points
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E276Engine Room Main WireB688Floor No.1 Wire
E576Engine Room No.2 WireB788Roof No.1 Wire
E976Transmission WireB888Front Door RH Wire
E1076Engine WireB988Floor No.2 Wire
E1476Engine Room No.2 WireB1188Floor No.1 Wire
E1576Engine Room Main WireB1488Floor No.2 Wire
I280Engine Room No.2 WireB1588Back Door Upper Wire
I980Column WireB1688Floor No.3 Wire
I1880Instrument Panel WireB2688Back Door Lower Wire
B288Front Door LH WireB2790Front Seat LH Wire
B488Floor No.1 WireB2890Front Seat RH Wire
Page 1967 of 3115
2004 LAND CRUISER (EWD548U)
Memo
Page 1968 of 3115

2004 LAND CRUISER (EWD548U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
1 LAND CRUISER(
Cont. next page)
2A 1C 1A 1B
7. 5A AM1
2C 12E 39
1 2
5 3
1 2
5 3
2E 40
IFSet Bolt of Cowl Side
J/ B LH
7. 5A ACC2Q 57
10A GAUGE1
2Q 65 2E37 2Q772
7ACC
IG1
IG2
ST 2 AM13
4
6 AM2
6B 5
6D 26B 4
6D 3
4IX1
A A
3E 4 3Q 50 3Q51
3 4
2 1
1 2
3 5 3Q 39 3C1
7. 5A
SECURITY 20A P/ W (
FR)
3E 16 2
IISet Bolt of Cowl Side
J/B RH 3Q 52
3IX1
Bat tery
B- GB- GB- R L- BSBB- R
I18
B- R
SB B
IG1
NO. 3
Re la y ACC
CUT
Relay
SB
B- R
SB B- G
B- R
ACC Relay
120A
MAI N120A
J/B
NO. 3120A
J/B
NO. 1
140A
AL T120A
J/B
NO. 2
F1 5(
A)
, F16(
B)
, F17(
C)
B- G
B- G 10A ECU- I G1
2I 1 2Q 21
3 5
2 1
4
20A
DEFOG
IG1
NO. 2
Re la y
2D 24
7. 5A IDLE UP
2G 2
DE FOG Rel a y
3Q 7 3I 13E13K37 3E33
7. 5A MET
10A GAUGE220A P/W (
FL) 20A P/W (
RR) 20A P/W (
RL)
L
M
N
O
P A
B
DC
E
F
G
IH
K A A
LGL
L
L
L SB
SBB
SB
B- W
SB
SB
B- R
W- RL- BB
Rear Window
Defogger Sys tem
<11- 2>
J14J 4
Engine Contr ol
System< 4- 2>
L
L
SB
L L LG W- RB SB B- WSB SB B- G B- G
Power Source
3Q 72 3I
L
J
SB
SB
B- R
Ignition SW
Junction
Connector
Fusible Link Block
Junct ion
Connect or
25A DOOR
22 10
12SI G ACC
BDR1
Bo dy ECU B
6
7A
7A 5