TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
4 HIGHLANDER
FL MAIN
3. 0W
Batt ery 10W 30A AM21 31IC1GR
1C 1L- Y Y
7IG2
ST26 AM2
D. C. C
7. 5A
ECU- B 10A
IGN
1G 62A42I 1
Door Courtesy SW Front LH
<10- 5>
Un lo ck War n i ng SW
<26- 2> B
G4 CTY
10KSW TXCT AGND CODE 12 13 11
WR GR
GND
14W- BV
9D EFI I
V
B
6 EF I OVC5 8
B
5 TXCT VC5
17GND
4 CODE
P1+B
1G 101D 9BR PE E
5IC34K 8
4N 14L7
ICRi g ht Co wl S i de P a nel IG
2
PE
EPW
14E
44M
W- L
WW- L W- B W- B
E ngine Immobilizer S ystem Power Source
W WData Link Connect or 3
<2- 18><3- 14>
14 IF3IND
WR3Theft Deterrent Indicator Light
<19- 3>
7
F 7I15T14
J 6
J17
T 7
Fus ible Link BlockIgnition SW
Junc tion
Connec tor
Junc tion
Connec tor
Tr ans ponder Key Amplif ier
Trans ponder Key Computer
Engine Control Module
<2- 13><3- 9>

2005 HIGHLANDER (EWD592U)
M
1
234
5 HIGHLANDER
Power Source Headlight (
w/ Daytime Running Light)
40A
MAIN2G 4
2I 13 4
2 12B 1
10A H- LP LH UPR 10A H- LP RH UPR
7. 5A
DRL
2F 22F533
1 2
2 1
3 5
4 33
3332 1
5 1
2 3 33
33
EB Right Fr ont
Fender Apron15A
H- L P
LH LWR15A
H- LP
RH LWR 2
22
1 2
1 2
EG Under the Left
He ad li g htEARight Fr ont
Fender Apron7IC3
7IF3
AA9IF34A 134F 64N2 14 B14 D 2 1
5 333
33
Dimmer SW Light
Cont rol SW
Fl a shHi ghLow HeadTa i l OFF15 B 17 B 4IK3 16IK3
3C 2C 2
1
Battery 1 3
FL MAIN
3. 0W
HEAD LAMP RelayDRL NO. 3
Relay DRL NO. 4
Relay
11
22
16 B
19 AHRLY DRL
HF HEAD PKB HUDRL NO. 2
Re l ay
R- BP B
W R
W R- W L- Y L- WR- W R- W
W- BR- L W- B
W- B W- B
W- B W- B
R- L R- WR- YBG BR
W
Y
Y
O LG R
7813
W- B W- B B R- B R- BP
L- R RB
B
B 2ACC
IG1 AM1 4
5A
IG
BR3A 10
3B 51K 101C 7GR
1A 1
40A AM1
1C 6B W G
G
2
W- B
BR- B
16
W- BIA Left Cowl Side Panel7DGND1 GND2
A 2
3B 3
13 3F 4N 1 11 4H
4L 7
IC Right
Cowl Side
PanelIBRi g ht
Ins trument
Panel
Br ac e
W- B
W- BW- B
W- B
W- B
140A
ALT7. 5A
IG1
R- YR- Y
HU HL HF T H E L 12
21
L- W
R- W
ST 1
Park ing Br ake SW
<15- 5>
F 7
H 1
J 3
J 1
H 3 H 2 H 4Beam C1 1(
A)
, C12(
B)
C13B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
Bo dy ECU
Combinat ion Meter
Combination SW Fus ible Link Block
Headlight LH (
High Beam) Headlight LH (
Low Beam)
Headlight RH (
High Beam) Headlight RH (
Low Beam)
Junc tion
Connec tor
Junction
Connector I gnit ion SW I15

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
6 HIGHLANDER
3
12B 1
4 3
1 2
2I 1
40A MAIN
2
1
10A H- LP RH UPR
2F 5
10A H- LP LH UPR
2F 22G1
15A
H- LP
LH LWR15A
H- LP
RH LWR 2
11
22 22
1 2
1 2
EARight Front
Fender Apron AA7IC3 17IC2 10IK31 2
1 2
7IF3
Dimmer SW Light
Cont rol SW
Fl a shHi ghLow HeadTa i l OFF
16 B
19 A7813
4I 1
4N 2
IF394F 6
4A 133C 4IK3
14 B17 B 15 B
Headlight (
w/o Daytime Running Light)
Power Source
IALef t Cowl Side Panel 16
W WW- B W- B R- YBG
R- Y
Bat tery FL MAIN
3. 0WR- Y
R- W L- R R
L- Y
RR- W
R- WO Y O LG
YY W
YY
W
YW- B
BRHF HE AD HRLY
HU HE AD L AMP
Re la y
HU HL HF T H E L
L- R L- YR
R- B
F 7
J 3
H 2 H 4 H 1 H 3
Be am C1 1(
A)
, C12(
B)
C1 3 B10(
B)
, B11(
C)
Body ECU
Combination Meter
Combination SW Fusible Link Bloc k
Headlight LH
(
High Beam)
Headlight LH
(
Low Beam) Headlight RH
(
High Beam)
Headlight RH
(
Low Beam)
Junction
Connector

2005 HIGHLANDER (EWD592U)
M
1
234
7 HIGHLANDER
Power SourceT a illig h t
2 1
3 5
10A
TAIL
1J 41B41B11 1H4 1A 1
140A ALT
7A
18 B
OFF
Ta i l
HeadTELH
16 14
IALef t Cowl
Side Panel2 1
2 1
6 4 8IA1
6 4
2 1
1 2
AA
EGUnder the
Lef t HeadlightEARight Fr ont
Fender ApronB B
BCLeft Side of
Rear Cr oss MemberBELeft Side of
Back Door A 2BG2
1
2
B E
E EE E TAILLIGHT
Relay
Batt ery 1 2
WFL MAIN
3. 0W
Light
Contr ol SW
B SB VW- B
TRL Y
TAIL
WBR
G
GBR BR BR W
W- B W- B
Towing Conv er ter
<22- 4>
BRW- B
W- B
W- B W- BW- B W- B
E
EBR BR(
*1)
* 1 : w/ Tr ai l er To wi n g
B W- B
W- B
W- B
W- B
B 9(
A)
, B10(
B)
J 1 J 3
C13
F 7F 3 F 4 L 1
R1 4
R1 5
R 7
R 8Ta i l
Ta i l
J13
J12
J14 Body ECU
Combination SWFront Par king Light LH Front Par king Light RH
Fusible Link Block
Junct ion
Connect orJunct ion
Connect orJunc tion
Connec tor Junction Connector
Junct ion
Connect or
Lic ens e Plate Light
Rear Combinat ion Light LH
Rear Combinat ion Light RH Rear Side Mar ker Light LH
Rear Side Mar ker
Light RH

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
34
2 1
8 HIGHLANDER
1C 6
40A
AM1
1A 1140A ALT
1C 7
7. 5A
IG1
81E
EG Under the Left
He ad li g htA
BCLeft Side of
Rear Cross
Member B B6 2 1IA24A 9 4E 7
3K 2 12 3B 3G9 19 IF34C 94C 10
7IF24M 134E 8
4C 8 4A 4
3IA2
17 IK2
6 2
2 3
EARight Fr ont
Fender Apron A20 IL2
Horn Turn Signal and Hazard W arning Light Power Source
2I 1
10A HORN
15A HAZARD
2B 2
2 1
3 5
2E 12B6
6 1 1
1
2 3
IBRight Instrument
Panel BraceLH
RHTL TR TB3 1
IALeft Cowl Side
Panel 8567
2 1 2231 4
8 G
G- W
G
W
W- B
B
W WW RL
W
GP R B LG
G- BY L GRG G- Y
W- B W- B W- B RBRW- BW- B W- B R OW- B W- B W- B LG WW- R
G- W
W- B
HORN
Re l ay G- W
B
Battery
F 2 3HA Z E L ER E LR LL IG B
Y
G 3IC34IC2 8IC2
4M 6 10 4G 4C4
W- B
44D
14 1D41E 11 14 1543E 93B
W
To wi n g
Conver ter
< 22- 4> To wi n g
Conver ter
< 22- 4>G
A
AA
Y
(
*1)
FL MAIN
3. 0W* 3 : w/o Nav igation Sy st em
IL117
W- B W- B 2ACC
IG1
ST1 AM1 4
3B
L
8
Bo dy ECU
<18- 8> P
10PHORN (
*1)
D D
D
Multi- Display
<30- 5> R
(
*2)
* 2 : w/ Nav igat ion Sys tem
P
L R B
Tur n L H Tu rn RH
* 1 : w/ Tr ai l er To wi n g
(
*3)
B
J12
W- B
3F 13
W- B
I15
F 7
Turn
Tu rn R 8
R 7
J20C11 J20
J 3Hazar d SW
A10 C1 3
Turn SW
F 4
B12 H 7
Hor n
C16
H 8 T 8
F 3
J 1
A/C Control Assembly
Body ECU
Combination Meter Combination SWCombination SW
Fro nt Tur n Si gn al
Light LH Fr ont Turn Signal
Light RH
Fus ible Link
Bl oc kHo r n
LH Ho r n
RH Ignition SW
J unc tion
Connec torJunct ion
Connect or
Junction
Connector Junct ion
Connect or Junct ion
Connect or
Rear Combinat ion
Light LH Rear Combination
Light RH
Turn Signal Flasher

2005 HIGHLANDER (EWD592U)
M
34
2 1
9 HIGHLANDER
40A AM1 20A STOP
1C 6
1A 1
1140A ALT
1E 1
1 2
4L 1
4L 34N34A 11 6IA2
5BG2
BE Left Side of Back DoorA6 5 B B1C 7
7. 5A
IG1
BCLeft Side of
Rear Cr oss Member B B6 5C C 20 IM11 2
1G 2
2 2
1 1
BC BR G G W
L
WBWB Y LG BL B
L
BW-B LW-BW- B W- B LW- B W- B
P
Shift Lock ECU
<24- 3>
2
L
Bat tery Skid Control ECU
with Actuator< 15- 7>
Power SourceStop Light Back- Up Light
4M 12BR
Engine Contr ol Module
< 13- 2> < 14- 2> L
FL MAIN
3. 0W4A 6
4I 3
10 IA2
R- B6 1 B
6 1
B B
Left Side of
Re ar Cr oss Membe rBCPW- B
Towing Converter
<22- 4>
2ACC
IG1 AM1 4
IM110
R
R- B
ST 1
L
(
*1)
* 1 : w/ Tr ai l er To wi n g
P
B B
F 7 S1 5
I15P 1
J12J12
Back- Up
Back- Up R 7
R 8
J12
Stop
Stop R 7
R 8
H11
J10
J14
Fus ible Link BlockHigh Mount ed St op Light
I gnit ion SW
Junc tion
Connec tor
Junc tion
Connec tor
Junction
ConnectorJunction
Connec tor
Junction
ConnectorBack- Up Light SW
Rear Combination
Light LH
Rear Combination
Light LH Rear Combination
Light RH
Rear Combination
Light RH
St op Light SW

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
5
678
10 HIGHLANDER (
Cont' d)
Interior Light and G arage Door O pener
A
B
C
D
E
G
H6BH1 17 IO2 4IA1
4BG3B B 11 D 6 C 11 C 16 D 15 D
B63C 83A
53B 10 3A
61H 10 1G
10 IB2 10 IN22 1
2 1 3IB1 3IN1 8IL1
9D 19C 12D 5A 17A W
GR
BR
Y
W- L
BR
R
B
BR
O
OLY
G BR V BRGRW
G
BRB SB LG W WG
V
B
R GR
W ILE BCTY DCTY PCTY RCTY BECU DCYL PCYL IG ACC
G G
5IC3
11 1 17DGND1
2AGND2
4N 1 3F 13 4L7 3B 34H11
ICRi g ht Co wl S i de P a nel
IB Right Instrument
Panel Brace
W- B
W- BW- B W- B
W- B
6B
MPX110 A
MPX2 Multiplex Communication
System (
BEAN Bus)
<20- 3>
B
B
Transponder Key
Computer < 4- 4>
9B
PBEW
Multi- Display
<30- 5>GR
(
*3)
* 3 : w/ Navigation System
9IA114 IA1 F
Do or3K 23B 12RBR11 12 33D 93FLG
11 IL2 V
BR
V
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
D 5 D 6D10
D 9
D 8
D 7 J13
C1 1
Bo dy ECU
Combinat ion Meter Door Cour tes y Light
Fr ont LH Door Cour tes y Light
Fr ont RH
Door Cour tesy SW
Front LH Door Cour tesy SW
Front RH Door Cour tesy SW
Rear LH Door Cour tesy SW
Rear RH
Junction
Connector

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
34
2 1
11 HIGHLANDER
140A ALT13A 1 3J
15
21
73D1 23G 813H
3
7
43H 3F33I 443D
5
6
63D 3F22 13K 983K
1
2
13K 11
2 1 1K 7
7. 5A PANEL
1J 45
3 1
23A 12
1A 1
L
L
L
G
W
R
VB
B
R
B
G
W
Y
L
BW
O
3A TAIL LI GHT
Relay
Battery
Power SourceIllu m in a tio n
2
7
G
* 3 : w/ Seat Heater System
* 4 : w/ Rear Heater Syst em FL MAIN
3. 0W3F 5
B
Taillight System
<7- 1> (
*1)(
*1)
3E 83F 1
2 1LGR
3F 43I 3G
(
*1)B
(
*1)
3J 8
1 2YR
R
A
(
Cont. next page)
3G 1
(
*2)(
*2)
19
220
Combinat ion Meter
<31- 3>
(
*3)(
*3)
(
*3) (
*3)
(
*4)(
*4)
* 1 : w/ Navigation System
* 2 : w/o Navigation System 1D 6
1
10
W- R W B
Audio Sy stem
<29- 5>
B
* 5 : 8 Speaker
(
*5)(
*5)
F 7
C1 6 M 2 A22 A10 C10 T1 6 M 3 E 4 R24 S 3 S 4
A/C Control Assembly
Ashtray Illumination Cigar et te Lighter Illuminat ion
Combination SW Electronically Controlled
Tr ansmiss ion Pat ter n
Select SW
Fusible Link Block
Main SW Multi- Display Rear Heat er Main SW Seat Heat er SW LH Seat Heat er SW RH
Indic ator Light Wire Sub Ass embly
ILL- HREO ILL+ HI LL+

2005 HIGHLANDER (EWD592U)
M
78
6 5
11 HIGHLANDER (
Cont' d)
W
Illu m in a tio n
83I
23G
W G G
10 B
5A
122
(
*5)
(
*6)(
*6) (
*5)
* 6 : 6 Speaker
A
B3H 103H 2
2 1
BW-B
3J 2
7IR1
9 10BVW-BA
A
IB Right Ins trument
Panel Br ac eBB Right
Center
PillarBF Ne ar t he Re ar
Side Marker
Light RH A
3F 13
W- B W- B W- B
* 5 : 8 Speaker * 4 : w/ Rear Heater Syst em
(
*4)(
*4)(
*4)(
*4) (
*4)
Rear Heater
Blower SW R26
Junction
Connector J19
Glov e Box Light G 4
Radio and Player R 4
Radio and Player R 2(
A)
, R 3(
B)