Page 2321 of 3115
2004 LAND CRUISER (EWD548U)
314Mirror Heater
140A ALT 120A J/B NO. 2
IG1 ACC
AM1 4 2
7. 5A
AM12C 1 2E 39 2E 37
2B 3
C 18
W- B
4F 10
4C 2
W- B
IV4 18
BK
W- B W- B
F
F A 6
IFC 12 C17 C15 C14
AA A A A
R W- B
W- B
W- B
W- B W- BB- G
B- R
B- GB- R
L- B
J11 A45(
A)
, A47(
C)
F1 6
J23
BatteryI18
MRRHR
VER1 VER5 VER4 VER2 GND
2D 215A
MIR HTR Fr om Power Source System (
See Page 94)
1B 66 1B 48 1B 50
2A 6
2J 22G12
IF II 2I 83I9IY2 14
125
125
R32
R33R- W
R- W R- W W- B
W- BL- B
L- B
R
R- W
5D 20
5A 3
R
MIR HTR
Relay
Ignition SW
Remote Control Mirror LH
Remote Control Mirror RH
A/C Control Assembly
Junction Connector
Junction ConnectorFusible Link Block
1
Page 2322 of 3115

2004 LAND CRUISER (EWD548U)
315
A45 (A), A47 (C) A/C Control Assembly
(A) 6-Ground : Approx. 12 volts with ignition SW at ON or ST position
(C) 12, (C) 14, (C) 15, (C) 17, (C) 18-Ground : Always continuity
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
A45A70I1870R3273
A47C70J1171R3373
F1668J2372
:Junction Block and Wire Harness Connector
CodeSee PageJunction Block and Wire Harness (Connector Location)
1B24Engine Room No.2 Wire and Engine Room J/B (Engine Compartment Left)
2A
2B28Engine Room No.2 Wire and Cowl Side J/B LH (Left Kick Panel)
2C
g()
2D
2E28Dash Wire and Cowl Side J/B LH (Left Kick Panel)
2G
()
2I28Front Door LH Wire and Cowl Side J/B LH (Left Kick Panel)2J28Front Door LH Wire and Cowl Side J/B LH (Left Kick Panel)
3I40Front Door RH Wire and Cowl Side J/B RH (Right Kick Panel)
4C52Dash Wire and J/B No 4 (Instrument Panel Center)4F52Dash Wire and J/B No.4 (Instrument Panel Center)
5A56Dash Wire and J/B No.5 (Behind the Combination Meter)
5D56Engine Room No.2 Wire and J/B No.5 (Behind the Combination Meter)
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IV482Dash Wire and Floor No.2 Wire (Right Kick Panel)
IY282Front Door RH Wire and Dash Wire (Right Kick Panel)
:Ground Points
CodeSee PageGround Points Location
IF78Set Bolt of Cowl Side J/B LH
II78Set Bolt of Cowl Side J/B RH
BK86Front Side Under the Front Passenger's Seat
Service Hints
Page 2323 of 3115
2004 LAND CRUISER (EWD548U)
316Key Reminder
25A DOOR7. 5A ACC
10A ECU- IG1
SB SBBuzzer
From Power Source System (
See Page 94)
12 22 10
BDR1 ACC SIG
From Power Sour ce System
(
See Page 94)
EC
10A GAUGE1
2Q 65
A A
J14
IX1 8
SB
BR SB
C15 B 8(
B)
, B 9(
C)
Combination Meter Body ECU
Junction
Connector
2Q57
1311 12 1 9SB SB
SB
10A ECU- B2
3Q 44 3Q 71 2Q 22BECU
11
SB SBSB
Page 2324 of 3115
2004 LAND CRUISER (EWD548U)
317
KSW
C
18 3E
46 3Q 23 3E
R- B
1 2
13P 33P
R- B
U 1 W- B
IF 2E 18
IG
W- BSB
GN D2 GND1
16 4 14
Unlock Warning SW
B 23
2E 8
2K 10
1
R- Y R- Y
Door Cour tesy
SW Front LH D14
DCTY
SBB 8(
B)
, B 9(
C)
Body ECU
Page 2325 of 3115

2004 LAND CRUISER (EWD548U)
318Key Reminder
When the driver door is opened with the ignition SW off and ignition key remaining in the key cylinder (Unlock warning SW
on), a signal is input from the unlock warning SW to the combination meter TERMINAL 9, the body ECU TERMINAL (C) 14,
and from the door courtesy SW front LH to the body ECU TERMINAL (B)23. As a result, the buzzer in the combination meter
goes on and warns the driver that the key is remaining in the key cylinder.
D14 Door Courtesy SW Front LH
1-Ground : Closed with driver's door open
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
B8B70C1570J1471
B9C70D1472U171
:Junction Block and Wire Harness Connector
CodeSee PageJunction Block and Wire Harness (Connector Location)
2E28Dash Wire and Cowl Side J/B LH (Left Kick Panel)
2K28Floor 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)
3E40Dash Wire and Cowl Side J/B RH (Right Kick Panel)3P43Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3Q42Instrument Panel Integration Wire and Cowl Side J/B RH (Right Kick Panel)
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IX182Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)
:Ground Points
CodeSee PageGround Points Location
EC76Rear Bank of Right Cylinder Head
IF78Set Bolt of Cowl Side J/B LHIG78Set Bolt of Cowl Side J/B LH
System Outline
Service Hints
Page 2326 of 3115
2004 LAND CRUISER (EWD548U)
319 Memo
Page 2327 of 3115
2004 LAND CRUISER (EWD548U)
320Seat Belt Warning
Seat Belt
Buzzer A 10 D11 D12 7. 5A
MET
3Q 7
SB
10A
GAUGE1
2Q 6510A
ECU- B2
3Q 44
A
A
J14
SB SB
SB
D 1C11
IX1 82Q41
2K 18
BU1 3
BM2 53
BM2 4
BU1 1
E E
BJ B11
BM EC2G 10
13
SB SB
G GG
G
W- B W- B W- B W- B W- B W- BBR
B 7
J22
A 30C 22 15A
A/C From Power Source System (
See Page 94)
2D 25
83N 21
R- L
3N 11
R- L
3D 26
3K 21
BV1 3
BO2 5
G G
BK 1 2
3 2
BO2 4
BV1 1
S 8
B 6
GG- W
W- B W- B W- BG
G
202D 6A45(
A)
, A47(
C) C28
(
*1) (
*1)
IG IG
I- SBW S/BW
R- L
(
*2)
C12(
A)
, C14(
C)
, C15(
D)
(
*1)
(
*2)
DBKL* 2 : w/o Navigation System * 1 : w/ Navigation SystemBuckle SW RH
Combination Meter
A/C Control Assembly
Body ECU
Center Cluster
Integration Panel Junction
ConnectorJunction
Connector
B 5
Buckle SW LH
2
1
G
BM2 3
C25(
A)
, (
B) LBE+
Center Airbag
Sensor AssemblyB 11(
*2) A 19(
*1)
G
G
Seat Belt War ning
Occupant Detection Sensor
Page 2328 of 3115

2004 LAND CRUISER (EWD548U)
321
When the ignition SW turned on, a signal is input to the combination meter and the center cluster integration panel (w/
navigation system) or the A/C control assembly (w/o navigation system). To determine whether the driver has fastened the
seat belt, a signal is input from the buckle SW LH to the combination meter. When the seat belt is not fastened, the seat belt
warning light in the combination meter blinks, and emits a warning sound.
In addition, the front passenger is recognized by a sensor (Seat belt warning occupant detection sensor) is installed in the
front passenger seat, and determines whether the seat belt is fastened. When not fastened, the signals from the seat belt
warning occupant detection sensor and the buckle SW RH is input to the center cluster integration panel (w/ navigation
system) or the A/C control assembly (w/o navigation system), and the passenger seat belt warning light blinks to warn the
passenger.
S8 Seat Belt Warning Occupant Detection Sensor
1-2 : Closed with passenger sit on the front passenger seat
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
A45A70C12A70C2870
A47C70C14C70J1471
B574C15D70J2272
B674C25A70S874
B770C25B70
:Junction Block and Wire Harness Connector
CodeSee PageJunction Block and Wire Harness (Connector Location)
2D28Dash Wire and Cowl Side J/B LH (Left Kick Panel)2G28Dash Wire and Cowl Side J/B LH (Left Kick Panel)
2K28Floor 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)
3D40Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3K40Floor No.2 Wire and Cowl Side J/B RH (Right Kick Panel)
3N43Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3Q42Instrument Panel Integration Wire and Cowl Side J/B RH (Right Kick Panel)
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IX182Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)
BM290Floor 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)
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)
:Ground Points
CodeSee PageGround Points Location
EC76Rear Bank of Right Cylinder Head
BJ86Under the Driver's Seat
BK86Front Side Under the Front Passenger's Seat
BM86Left Rear Side Quarter Panel
:Splice Points
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
B1188Floor No.1 Wire
System Outline
Service Hints