
2004 LAND CRUISER (EWD548U)
163
P1 Park/Neutral Position SW
3-2 : Closed with shift lever at R position
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
P169R1373
R1073T1273
: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)
3E40Dash 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)
IN280Engine Wire and Dash Wire (Behind the Glove Box)
Ib284Dash Wire and Dash Wire (Behind the Combination Meter)
BD286Floor No.3 Wire and Floor No.1 Wire (Left Rear Side Quarter Panel)
BL188Floor No.2 Wire and Floor No.3 Wire (Right Side of Rear Floor Crossmember)
BX188Frame No.4 Wire and Floor No.3 Wire (Left Side of Rear Floor Crossmember)
:Ground Points
CodeSee PageGround Points Location
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 WireB1688Floor No.3 Wire
B1488Floor No.2 Wire
Service Hints

2004 LAND CRUISER (EWD548U)
165
The automatic light control system works when the light control SW is turned to AUTO. The automatic light control sensor
detects the brightness around the vehicle. By this function, the system automatically turns the taillight and headlight on if the
brightness is below the regular level and turns the taillight and headlight off when the surroundings become brighter than the
regular level.
Body ECU
11, 12-Ground : Always approx. 12 volts
22-Ground : Approx. 12 volts with ignition SW at ACC or ON position
10-Ground : Approx. 12 volts with ignition SW at ON or ST position
4, 16-Ground : Always continuity
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
A3170C1670M5A71
A4770F1568M9B71
B7A70J371R671
B9C70J971
: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)1C24Engine Room No.2 Wire and Engine Room J/B (Engine Compartment Left)
2B28Engine Room No.2 Wire and Cowl Side J/B LH (Left Kick Panel)
2E28Dash 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)3E40Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3Q42Instrument Panel Integration Wire and Cowl Side J/B RH (Right Kick Panel)
4A52Dash Wire and J/B No.4 (Instrument Panel Center)
5B56Dash 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)
IF178Instrument Panel Integration Wire and Instrument Panel Wire (Left Side of Instrument Panel)
II380Dash Wire and Column Wire (Near the Ignition SW)II580Dash Wire and Column Wire (Near the Ignition SW)
IM280Instrument Panel Integration Wire and Instrument Panel No.3 Wire (Right Side of Instrument Panel)
IU382Instrument Panel Integration Wire and Dash Wire (Behind the Glove Box)
:Ground Points
CodeSee PageGround Points Location
IF78Set Bolt of Cowl Side J/B LHIG78Set Bolt of Cowl Side J/B LH
II78Set Bolt of Cowl Side J/B RH
System Outline
Service Hints

2004 LAND CRUISER (EWD548U)
194Multiplex Communication System
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
EA276Engine Room Main Wire and Engine Room No.2 Wire (Engine Compartment Right)
EB176Engine Wire and Transmission Wire (On the Transmission)
EE176Engine Room Main Wire and Alternator Wire (Near the Battery)
IC278Front Door LH Wire and Dash Wire (Left Kick Panel)
ID478Dash Wire and Floor No.1 Wire (Left Kick Panel)
IF178Instrument Panel Integration Wire and Instrument Panel Wire (Left Side of Instrument Panel)
IG178Engine Room No.2 Wire and Dash Wire (Behind the Combination Meter)
IH280Instrument Panel Integration Wire and Column Wire (Near the Ignition SW)
II380Dash Wire and Column Wire (Near the Ignition SW)II580Dash Wire and Column Wire (Near the Ignition SW)
IL380Instrument Panel Integration Wire and Computer Wire (Instrument Panel Center)
IM280Instrument Panel Integration Wire and Instrument Panel No.3 Wire (Right Side of Instrument Panel)
IN280Engine Wire and Dash Wire (Behind the Glove Box)
IU1
IU382Instrument Panel Integration Wire and Dash Wire (Behind the Glove Box)
IU4
g()
IV382Dash Wire and Floor No 2 Wire (Right Kick Panel)IV482Dash Wire and Floor No.2 Wire (Right Kick Panel)
IX182Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)
IY282Front Door RH Wire and Dash Wire (Right Kick Panel)
Ib284Dash Wire and Dash Wire (Behind the Combination Meter)
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)
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)
BD486Floor No.3 Wire and Floor No.1 Wire (Left Rear Side Quarter Panel)
BH186Pillar No 1 Wire and Back Door Upper Wire (Left Side of Back Door)BH286Pillar No.1 Wire and Back Door Upper Wire (Left Side of Back Door)
BL588Floor 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)
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)
:Ground Points
CodeSee PageGround Points Location
EA76Front Right Side of Fender Apron
EC76Rear Bank of Right Cylinder Head
IF78Set Bolt of Cowl Side J/B LHIG78Set Bolt of Cowl Side J/B LH
II78Set Bolt of Cowl Side J/B RH
BJ86Under the Driver's Seat
BK86Front Side Under the Front Passenger's Seat

2004 LAND CRUISER (EWD548U)
220Electronically Controlled Transmission and A/T Indicator
: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)
2D28Dash Wire and Cowl Side J/B LH (Left Kick Panel)2E28Dash Wire and Cowl Side J/B LH (Left Kick Panel)
2Q30Instrument Panel Integration Wire and Cowl Side J/B LH (Left Kick Panel)
3E40
3M43Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3P43(g )
3Q42Instrument Panel Integration Wire and Cowl Side J/B RH (Right Kick Panel)
4A
4C
4D52Dash Wire and J/B No.4 (Instrument Panel Center)
4E
()
4F
5C56Dash Wire and J/B No.5 (Behind the Combination Meter)
5D56Engine Room No.2 Wire and J/B No.5 (Behind the Combination Meter)
6C60Dash Wire and J/B No.6 (Behind the Grove Box)
6D60Engine Wire and J/B No.6 (Behind the Grove Box)
7B64Dash Wire and J/B No.7 (Behind the Grove Box)
7D64Engine Room No.2 Wire and J/B No.7 (Behind the Grove Box)
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
EB1
EB276Engine Wire and Transmission Wire (On the Transmission)
EB3
g()
IG178Engine Room No.2 Wire and Dash Wire (Behind the Combination Meter)
IN280Engine Wire and Dash Wire (Behind the Glove Box)
IU182Instrument Panel Integration Wire and Dash Wire (Behind the Glove Box)
IX182Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)
Ib284Dash Wire and Dash Wire (Behind the Combination Meter)
Id184Dash Wire and Dash Wire (Instrument Panel Center)Id384Dash Wire and Dash Wire (Instrument Panel Center)
If184Engine Wire and Engine Wire (Behind the Glove Box)
:Ground Points
CodeSee PageGround Points Location
EA76Front Right Side of Fender Apron
EC76Rear Bank of Right Cylinder Head
EE76Front Left Side of Fender Apron
IF78Set Bolt of Cowl Side J/B LH
:Splice Points
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E876Transmission WireE1076Engine Wire
E976Transmission Wire

2004 LAND CRUISER (EWD548U)
226Cruise Control
: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)
2D28Dash Wire and Cowl Side J/B LH (Left Kick Panel)2E28Dash 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)3M43Dash Wire and Cowl Side J/B RH (Right Kick Panel)
3Q42Instrument Panel Integration Wire and Cowl Side J/B RH (Right Kick Panel)
4A
4C
4D52Dash Wire and J/B No.4 (Instrument Panel Center)
4E
()
4F
5C56Dash Wire and J/B No.5 (Behind the Combination Meter)
5D56Engine Room No.2 Wire and J/B No.5 (Behind the Combination Meter)
6C60Dash Wire and J/B No.6 (Behind the Grove Box)
6D60Engine Wire and J/B No.6 (Behind the Grove Box)
7B64Dash Wire and J/B No.7 (Behind the Grove Box)
7D64Engine Room No.2 Wire and J/B No.7 (Behind the Grove Box)
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
EB176Engine Wire and Transmission Wire (On the Transmission)
IG178Engine Room No.2 Wire and Dash Wire (Behind the Combination Meter)
IH280Instrument Panel Integration Wire and Column Wire (Near the Ignition SW)
II380Dash Wire and Column Wire (Near the Ignition SW)
IN280Engine Wire and Dash Wire (Behind the Glove Box)
IU182Instrument Panel Integration Wire and Dash Wire (Behind the Glove Box)
IX182Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)IX282Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)
Ib284Dash Wire and Dash Wire (Behind the Combination Meter)
Id184Dash Wire and Dash Wire (Instrument Panel Center)Id384Dash Wire and Dash Wire (Instrument Panel Center)
If184Engine Wire and Engine Wire (Behind the Glove Box)
:Ground Points
CodeSee PageGround Points Location
EA76Front Right Side of Fender Apron
EC76Rear Bank of Right Cylinder Head
EE76Front Left Side of Fender Apron
IF78Set Bolt of Cowl Side J/B LH
:Splice Points
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E1076Engine Wire

2004 LAND CRUISER (EWD548U)
236VSC
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IA278Engine Room No.2 Wire and Floor No.1 Wire (Left Kick Panel)
IG178Engine Room No 2 Wire and Dash Wire (Behind the Combination Meter)IG478Engine Room No.2 Wire and Dash Wire (Behind the Combination Meter)
IH280Instrument Panel Integration Wire and Column Wire (Near the Ignition SW)
II380Dash Wire and Column Wire (Near the Ignition SW)
IN280Engine Wire and Dash Wire (Behind the Glove Box)
IU482Instrument Panel Integration Wire and Dash Wire (Behind the Glove Box)
IX182Instrument Panel Integration Wire and Engine Wire (Behind the Glove Box)
Ib284Dash Wire and Dash Wire (Behind the Combination Meter)
BD386Floor No.3 Wire and Floor No.1 Wire (Left Rear Side Quarter Panel)
BF286Frame Wire and Floor No.3 Wire (Left Side of Rear Floor Crossmember)
:Ground Points
CodeSee PageGround Points Location
EC76Rear Bank of Right Cylinder Head
EE76Front Left Side of Fender Apron
IF78Set Bolt of Cowl Side J/B LH
:Splice Points
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E1376Engine Room No 2 WireI280Engine Room No.2 Wire
E1476Engine Room No.2 Wire

2004 LAND CRUISER (EWD548U)
243
:Connector Joining Wire Harness and Wire Harness
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
EA176Engine Room Main Wire and Engine Room No.2 Wire (Engine Compartment Right)
EF176Engine Room No.2 Wire and Engine Room Main Wire (Under the Engine Room J/B)
IB178Engine Room No.2 Wire and Dash Wire (Left Kick Panel)
IF178Instrument Panel Integration Wire and Instrument Panel Wire (Left Side of Instrument Panel)IF278Instrument Panel Integration Wire and Instrument Panel Wire (Left Side of Instrument Panel)
II480Dash Wire and Column Wire (Near the Ignition SW)
IT180Engine Room No.2 Wire and Dash Wire (Right Kick Panel)
IU182Instrument Panel Integration Wire and Dash Wire (Behind the Glove Box)
Ia184Dash Wire and Dash Wire (Behind the Combination Meter)
BM290Floor No.1 Wire and Front Seat LH Wire (Front Side Under the Driver's Seat)
BU188Floor No.1 Wire and Floor No.1 Wire (Near the Left Rear Suspension Support)
:Ground Points
CodeSee PageGround Points Location
IF78Set Bolt of Cowl Side J/B LH
IH78Set Bolt of Cowl Side J/B RH
BJ86Under the Driver's Seat
BM86Left Rear Side Quarter Panel
:Splice Points
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
B1188Floor No.1 Wire

2004 LAND CRUISER (EWD548U)
245
1. Shift Lock Mechanism
When the brake pedal is depressed with the ignition SW is turned on (Stop light SW on), the shift lock control ECU is
activated and allows the driver to change the shift lever to a position other than P position.
2. Key Interlock Mechanism
When the ignition SW is turned on and the shift lever is at a position other than P position, shift lock control ECU is activated
to flow current to the key interlock solenoid. This inhibits to turn the ignition SW from on to OFF position.
A48 Shift Lock Control ECU
3-Ground : Approx. 12 volts with ignition SW at ACC or ON position
4-Ground : Approx. 12 volts with ignition SW at ON or ST position
11-Ground : Approx. 12 volts with brake pedal depressed
10-Ground : Always continuity
: Parts Location
CodeSee PageCodeSee PageCodeSee Page
A4870I1870S571
F1668K371
:Junction Block and Wire Harness Connector
CodeSee PageJunction Block and Wire Harness (Connector Location)
2C
2D28Dash Wire and Cowl Side J/B LH (Left Kick Panel)
2E
()
3M43Dash Wire and Cowl Side J/B RH (Right Kick Panel)3P43Dash Wire and Cowl Side J/B RH (Right Kick Panel)
4D52Dash Wire and J/B No.4 (Instrument Panel Center)
7A64Dash Wire and J/B No 7 (Behind the Glove Box)7C64Dash Wire and J/B No.7 (Behind the Glove Box)
:Ground Points
CodeSee PageGround Points Location
IF78Set Bolt of Cowl Side J/B LH
System Outline
Service Hints