2001 TOYOTA HIGHLANDER engine

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
10 HIGHLANDER
Power SourceInterior Light and G arage Door Opener
1A 1140A ALT2B 20A P FR DOOR1
W
W
FL MAIN
3. 0W3 W
(
Cont. next page)
25A D FR DOOR G7. 5A IG1
71C 1C2
7. 5A RAD NO. 2
L
7. 5A
ECU- B
2A 432A D. C. CA
B
C
D
E W
GR
BR
Y
W- L
W- L 2I 1L
2ACC
IG1 AM13
4
Bat tery 1C 6
1K 10 1J6
1K 61D12
12 IK34J 14D 13 4D12
15 IA1
3BG3
1
2
21
D OOROFFON
BE Left Side of
Back DoorA1IE1
1 12
2 1
2 1
6 2
1 2
10A
DOME
8IE1
74L 54D
14N 64M
14 1D41E5IE1
24F 54J 4H 1
IC Right Cowl Side Panel
IALeft Cowl Side Panel 12
G
H
RR R B W O B B
W W W Y YG
G
RG
W- B W-B W-B W-B W-BW- B BR
GR
Y
VW- B BRW
BR
R W- B W- B 40A
AM1
R
W
WW
(
*2)
(
*1)
W- B
W- B 2
1
Opener SW
21D OOROFFON(
*2)
(
*1)
BC Left Side of
Re ar Cr oss Membe rA
BG11
W- B W- B4H 6
V
GND+B1
7 CT Y
R
R
R
ST 1
3
W- B
W- B
3
W- B
W- B W- B
W
* 2 : w/ o Engine I mmobiliz er Sy st em * 1 : w/ Engine Immobilizer System
11 4D
F V
J14 F 7I15
R11
D 4
R1 2
O 5 V10 V 9I14
I16Ignition Key
Cylinder
Illumination T 7
Diode
(
Rear Interior Light)
Fusible Link Block
Ignit ion Key Cy linder
Illumination
I gnit ion SW
Interior Light
Junct ion
Connect or
Over head J /B
Rear Interior Light
Rear Interior Light SW
Transponder Key Amplifier
Garage Door Opener
Vanity Light LH
Vanity Light RH

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
13 HIGHLANDER(
Cont. next page)
2ACC
IG1
IG2
ST2 AM1 4
6 7AM2
40A AM1
1C 6
1A 12
1
2140A ALT1W 30A AM2
10 3
FL MAIN
3. 0W
Batt ery 1IC12I 12 1
3 5
2F 42B4 2B 52B7
20A EFI NO. 1EF 1 Rel ay
1C 1
1G 6
10A IGN
1C 7
7. 5A IG1
1G 2
4E 14M 4
W
11 IK2 10 IK2
EH Under the Left
HeadlightA
B- W
W
2A
+B2
A3A
BATT
BR
W
19 B
STP
BRP R
10 I M1
R G
GR G
GR
WYW
L- Y
B W- B
P- LW- B B
10 D
L- W13 D
Y- R12 D
Y- B11 D
Y- G15 D
L- Y14 D
L- R19 D
R- B18 D
B- W32 D
G- Y
3 2 810 512 613 128 E
BR
A7D
W- BED 1C
BR
6D
W- B7C
W- B
EC 6EW- B7E
W- B
W- B W- B
6 197382
PL RL NL DL 2L LLL- Y R- B Y- R L- W
6A
V
11 B
L
7A
GR
10 B
Y
20 B
P
9B
G
Power Source Electronically Controlled Transmission and A/T Indicator (
3M Z- FE)
8MREL S4 SLT+ SLT- DSL SL2+ SL2- SL1+ SL1- THO1 E2 E04E1 E0 5 E0 3 E0 2 E0 1 P RND3 2 IK3 13
B St op Light SW
<9- 2>
7
Y G GRSB LG BRWB O O
E E
9A
IGSWP
9IM1 IM120 19 IM1 IM1818IM1IM17
G Y- G
V
B
BC
GRCB
GB
G
B
17 D
G- B16 D
G- R
411 SL 3+ SL3 -4K 54A 6
L
GR
4K 13Navigation ECU
<30- 8>
P
ST1RA B
B G
10A HEATER
1K 13
B
RB
S4 SLT+ SLT- DSL SL2+ SL2- SL1+ SL1- THO E2 SL3+ SL3-
RL
9D
L- B9SRV
SR5A 5B
BR
1A
+B
W
W
Left Side of
Cylinder Head4C
W- BME01
Rear Side of
Cylinder Block A* 1 : w/ Navigation System
(
*1)
BR I15
F 7 J 6
P 1
J 6 J 6 J17
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
J 7
S28(
A)
, S29(
B)
E 1
J 2
Electronically Controlled Transmission SolenoidEngine Cont rol Module
Fusible Link Block
Ignition SW
Junc tion
Connec tor Junc tion
Connec tor Junction
Connector
Junction
Connector
Junction
Connector
Junction
Connector
A/T I ndicat or SW
Shor t
Connec torW- B

2005 HIGHLANDER (EWD592U)
M
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13 HIGHLANDER (
Cont' d)
16 A
GR
8B
IBRight Ins trument Panel
Brace
W- B
27D 35D 26D 34D 17B 29B
Electronically Controlled Transmission and A/T Indicator (
3M Z- FE)
OD MS L NT+ NT- NC+ NC- SPD MPX2
2IF36B 15A
WMPX1 SNOW
3F 13
6 2
L
4
3 2
WR
R- W W- G
AB
3H 8
W- B
R
8IF3
R1 5BR
IF312
G
P ECT SNOW
O/D OFF
L
2
3
D
N
R
BG
3A 4
3C 7
P BR
MPX1
18 B
Y
3D 8
W- B3B 12
A/T OIL TEMP.
3K 2BR11 1
Engine Contr ol Sys tem
<2- 16>
21 E 18 E 19 EVTA1 VC THW
Engine Contr ol Sys tem
<2- 9><2- 10>31 EVTA2
2CM-
3CM+
Multiplex Communication
System (
BEAN BUS)
<20- 3>
2 1 1
C 6
T 3T16
E 5(
A)
, E 6(
B)
, E 7(
C)
, E 8(
D)
, E 9(
C)
B 9(
A)
, B10(
B)C11
Bo dy ECU
Counter Gear Speed Sensor
Combination Meter
Electronically Controlled
Tr ansmiss ion Pattern
Select SW Engine Cont rol Module
Turbine Speed Sens orTransmiss ion Contr ol
SW
Transmiss ion Shift
Main SW
E 4
W- B

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
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234
14 HIGHLANDER(
Cont. next page)
2ACC
IG1
IG2
ST2 AM1 4
6 7AM2
40A AM1
1C 6
1A 12
1
2140A ALT1W 30A AM2
10 3
FL MAIN
3. 0W
Batt ery 1IC12I 12 1
3 5
2F 42B4 2B 52B7
20A EFI NO. 1EF 1 Rel ay
1C 1
1G 6
10A IGN
1C 7
7. 5A IG1
1G 2
4E 14M 4
W
11 IK2 10 IK2
EH Under t he Lef t
HeadlightA
B- W
W
1A
+B
A3A
BATT
BR
W
19 B
ST P
BR
9A
IGSW
P RR G
G
GR
WYW
L- Y
B W- B
P- LW- B B
11 D
L13 D
Y- R12 D
B- Y
9D
Y- G19 D
R- B18 D
B- W15 D
L- Y14 D
L- R32 D
G- Y
827351049128 E 6 E
W- B
EF Left Side of
Cy linder Block4CW- B
EEIntake Side of
Cy linder Block 7DW- B7C
W- B
4K 54A 6 6197382
PL RL NL DL 2L LL
C
C
L- Y R- B Y- R L- W
6A
V
11B 7A 10B 9B
P
8B
R
R
Power Source Electronically Controlled Transmission and A/T Indicator (
2AZ- FE)
8MREL S4 SLT+ SLT- DSL SL1+ SL1- SL2+ SL2- THO E2 E02 ME01 E04 E03PRND2L IK3 13
B
19 IM1 20 I M1 9IM1LY
B
B
GR GR
VL
Stop Light SW
<9- 2>
21 E 18 E 19 EVT A1
VC THW
Engine Contr ol Syst em
<3- 7> 10 IM1
6
R O G G WB Y BRO O
E EP G Y- G
7IM1 18 IM1 IM1 8 ST1
10 A HEAT ER
1K 13A BB
RB
S4 SLT+ SLT- DSL SL1+ SL1- SL2+ SL2- THO E2
BR
5B
5A
BR
2A
+B2
W W
1C
BRE1
A ABR
J 7
7EE01
W- B
W- B
31 EVTA2
2CM-
3CM+ I15
J 6
P 1
J 6
J 6
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
J 7
S2 8(
A)
, S29(
B)
E10 J 2 F 7Engine Control Module
Electronically Controlled Transmission Solenoid Fusible Link BlockIgnition SW
Junction
Connec tor
J unc tion
Connec tor J unc tion
Connec tor
J unc tion
Connec torJunction
Connector
A/T Indicator SW
Sh or t
Connect or

2005 HIGHLANDER (EWD592U)
M
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14 HIGHLANDER (
Cont' d)
16 A
GR
18 B 27 D 35 D 26 D 34 D 17 B
Electronically Controlled Transmission and A/T Indicator (
2AZ- FE)
OD MS MPX1NT+ NT- NC+ NC- SPD
IF3 6B 15A
WMPX1 SNOW6 2
L
4
3
WY
R- W W- G
MPX2 29 B
IBRight Instrument Panel
Br ace
BR3K 2
W- B
ECT SNOW
R N DL O/ D OF F3D 8
P3A 4
3C 7B
W- B
R
3H 83B 12 AB
Y
2
PA/ T OI L T EMP
11 1
3F 13
W- B
W- BW- B 2 1
2 1
Engine Cont rol Sy stem
<3- 6> Multiplex Communication
Sy st em (
BEAN Bus)
<20- 3>2
C 6
T 3
C1 1
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
B 9(
A)
, B10(
B)
T1 6
Body ECU
Counter Gear Speed
Sensor
Combination Meter
Electronically Controlled
Tr ans miss ion Pat ter n
Select SW
Engine Contr ol Module
Turbine Speed Sens orTr ansmiss ion Contr ol
SW
E 4

2005 HIGHLANDER (EWD592U)
M
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6 5
(
Cont. next page)
15 HIGHLANDER (
Cont' d)
A
B
C
P- B W- L24 42 13
GR- BD/ G TS WFS EData Link Connector 3
<2- 17><2- 18><3- 12><3- 14>
BR- R12SP1
LG- B44BRL
R- L29WA
L- Y36VSCW 27
G- YSTPStop Light SW
<9- 2>
B
11CA NH
W25CA NL P
V
L
V S C and Tire Pressure W arning S ystem
15IC4 16IC4 4IC4 5IC2 10
NE O 3IC4
V B
VW-L
IC4 5
ENG+923
ENG- 18 IC4
W- G RYG-B
IC4 7
TRC+822
TRC- 19 IC4
Y- B G
Engine Contr ol Module
<2- 14><3- 9><3- 10>
EHUnder the
Left Headlight1 2
W- B32GND1
W- B
W- B W- B G- W
GND2
17 FSW+ DP
21 IC4 8 IC4 9 IC4
BRWVBRSB SBV
CSW
43L- R B- Y
41INIT
17 I C4 2 IC4
4
11
2
3J 44J6
3F 13
IBRight Ins trument
Panel Br ace
W SB
W- B W- B
W- B
WV
SB
SB
BR
LA
B
C
D
F
G
H
I
J
K P
PL V
22 IC4
B
13 IF3
W
4J 7 3G 9
4N 14L7 4D 4
ICRight Cowl
Side Panel
W- B
W- B W- B
17 IL1
W- B 1 34J
LG
94M
B R- WPKB
28
11 IC4
13 I C4 12 IC4
W
L
EBRight Front
Fender Apr onEARight Fr ont
Fender Apron A
W- B 6IC4
P
B
EE B
34H
12 4H
Body ECU
<5- 4>Mult i- Display
< 30- 6> RLG (
*1)(
*1)(
*1)(
*1)
* 1 : 2WD
L 4C 3W- B
W- B
J 4
S27
J 4
P22
B13
T 6
P 3 Brake Pedal Load
Sensing SWJunc tion
Connec tor
Parking Brake SW Pressure SW
Skid Contr ol ECU with Act uat or
TRAC Of f SW

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
19 HIGHLANDER
Power SourceT he ft D ete rren t S y s tem
7. 5A ECU- B
15A SECURI TY
2A 4 2A 5
2I 12ACC
IG1 AM1 4
40A
AM1
1A 11C 6
32
110A
ECU- I G 1C 7
1K 9
3A 1
3E 5
3J 11
3F 13
IBRight Ins tr ument
Panel Br ac e17 IL2
14 IA28IL2
4IA2
9BG3 4BG2
SB BR
Y LG
V B
BRY23 15 33 31
Multiplex Communication
Sy st em (
BEAN Bus)
<20- 4>A
BE Left Side of
Ba ck Do or1 23110
114IC3
2IF1 5IC3
1G 10
1D 9
11 IL1 18 IL2
3C 8
3B 2
1 26IL2
15 IK317 IF3
2IC3
1 A
EG Under the Left
He ad li g ht G
D. C. C
1 2
WW
Batt ery
W- B W- B
3 212L
BRWL
OP G
P
R
W- BB
W- B LG B B- O
WG G-BW-B
2 1
140A ALT
IG
I OUT MPX1 L UL DSWH
34 +B2 +B1 KSW
SH- E
1 29
W- B L
W- LRG
O
FL MAIN
3. 0W
Unlock Warning SW
<26- 2>
53D
3F 1125
W- B O
O
IND S+B
GND IOUT
WOp t i on
Connec tor 1
<20- 4> Op t i on
Connec tor 1
<20- 4>
BLG
(
*1)(
*1)* 1 : w/ o Theft Deter rent Sys tem
E E
P
YW- L
B
ST1
11 3K
Tr ans ponder Key Comput er
<4- 4>
R F 7I15
T 4
T 5
O 4E 3T 1
J 1 B14
J14Back Door Key Lock
and Unloc k SWEngine Hood
Courtesy SW
Fusible Link
BlockIgnition SW
J unc tion
Connec tor Junc tion
Connec tor
Option Connector 2Theft Deterrent
Ho r n
Theft Deterrent ECU
Theft Deterrent
Indicator Light
Junction
Connector J17

2005 HIGHLANDER (EWD592U)
M
34
2 1
20 HIGHLANDER
2ACC
IG1 AM1 4
1C 6
1A 12
1
W B
Batt ery W
W
81H
Power Source Moon Roof
20A S/ROOF40A AM1
2IE1
Left Cowl Side Panel
IA
WW- B W- B
G W89 7DWNMPX1
UP EL1
B
FL MAIN
3. 0W
W- B4D 5
4M 64N1
1E 4
1D 14W- B
ICRight Cowl Side PanelW- B
6IE1
Y GR GR10MPX1 MPX2
6B
10 A
OMPX2 MPX19B
21 AMPX- MPX+
9A
2B
YMPX+ MPX-
5IF3
1IB28 7
MPX2 MPX1 8IB24A 5
4F 74O4
GR
GR Y V SBY
GR
M u ltip le x C o m m u n ic a tio n
System (
BEAN Bus)
IL21
* 2 : w/o Theft Deterrent System
(
*2)
* 1 : w/ Theft Det err ent Syst em
D. C. C
2A 4
2I 1
32
1W140A ALTR
6IG
IE1 4
7. 5A IG1
71C
1D 2
VGR9
IG6
UP DOWN411
IG3 3IE1
PB5
ECUBE E
5IC31D 9
1G 10
BR W- L P
P
GWBack Door Key Lock
and Unlock SW
< 19- 3> < 19- 4>
123
BRMPX1 MPX2
BR
A 1 A 2
22 24B 1 B 2MP D 1 MP D 2 11
4
12 IL2G
(
*4)
(
*3) V
(
*3) G
R
13E
12 3J
G
31
MPX13H 5V
(
*1)
SB(
*2)
(
*2) B LG BR
BR * 3 : w/ Navigation Sy st em
* 4 : w/o Navigation System
ST1
IG EIG1 GND5
210
67
BRB
7. 5A ECU- B
A u tom a tic
Glare- Resistant
EC M irror
18 29
8IE1
GND1
W- B
74L
W- B
F 7I15J17
O 5
I17A1 7
S3 0(
A)
, S31(
B)
O 3
P 5
B 9(
A)
, B10(
B)
E 6
S20 T 4 G 5
A10(
A)
, A11(
B)
C11(
A)
, C12(
B)
A / C Co nt r ol As se mbl y
Air bag Sens or As sembly
Body ECU Combination Meter
Engine Contr ol Module
Fus ible Link Block
Gateway ECU
Ignition SW
Inner MirrorJunct ion
Connect or
Option Connec tor 1
Overhead J/B
Power Window Mast er SW
with ECU
Sliding Roof Control ECUShor t Connec tor Theft Deterrent ECU