TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
34
2 1
(
Cont. next page)
16 HIGHLANDER
Battery FL MAIN
3. 0W
Power Source
1L 610A
IGN 1C 1
5B
25 B 26 B B20 B 9
2IK1 1IK1 3IK1 4IK1
1 2 1 7-SR +S R
-SL PAONBGR WB
W- RBR B- W BR- WIG2
-SL PAON
-SR +S R
SRS
10 B
Y- BP+11 B
YP-8B
Y- RP2 +7B
Y- GP2 - 1234
1K 1310A
HEAT ER
GR GR
IB Ri g ht I ns t r u me nt
Pa ne l Bra ceRBR
1D 9P
1G 6P
A
B P
P
3B 12
3K 2
AirbagA/C Control Assembly
< 34- 7> < 35- 6>
W 140A ALT
13 2
7ACC
IG1
ST1
IG2
ST2 AM1 4
6 AM2
I15
1C 6
1A 1
40A AM1
1 2
2W
30A AM2
1IC1
10
YL-Y
BD. C. C
7. 5A
ECU- B
1 2 2I 12A4 5IC31G 10E EPBRW-L
EE 1
4E 4
4MP
GR1C 7 GG
3A 4
3C 7
P
7. 5A
IG1
3A 101K 10
3F 6
B 15
2+S L
+S L 6
DIMB 1
2 P- AB
P- ABR
14 IL11E 11 1K 51L 8 1L 2
W Y G
BL
4
IG+
SB
W B
W
5
SW1
3F 10
3F 13W- B
W- B 111
Airbag
OF F Airbag ON
J17
F 7
C11
J 6
A19
A 9 A 8 T15A16(
A)
, A17(
B)
, A18(
C)
Air bag Sens or
Fr ont LHAirbag Sensor
Fr ont RH Airbag Sens or As semblyAirbag Squib
(
Front Pas senger Airbag As sembly)
Combinat ion Meter
Fusible Link BlockIgnition SWJunction
Connector
J unc tion
Connec tor
Telltale Light Ass embly

2005 HIGHLANDER (EWD592U)
M
78
6 5
16 HIGHLANDER (
Cont' d)
9C 10C C6 C 5C 4 C 18 19 C C20 C7 C 8
2 1 1 4 2 3 2 1 2 1ICR- ICR+ ESCR VUCR CS R- CSR+ SF R- SFR+
Y- BY Y- BY R G WB Y Y- B
PR- PR+
ESCR VUCR CS R- CS R+
SRS
15 C C 17
2 16 C 13 C
341
GR
ESR VUPRESR VUPR SSR-
SSR- SSR+
SSR+
WB
17 A 20 A 16 A 18 A 15 A 1 A 14 A 13 A A910A2 1 1 4 2 3 1 4 2 3
G R WB R G WB
ESCL VUCL CSL- CS L+ ESL VUPL SSL - SSL+
G
R
4B
W
31 2
SSL+ SSL - VUPL ESL CSL+ CSL - VUCL ESCL I CL + I CL- LBE+LBE- LSP- LSP+ A
BA
B P
PP
P
2 BK2 1 BK2Y Y- B Y- B
Y (
*1 *3)
(
*2 *3) (
*2 *3)
(
*1 *3)
(
*1 *3) (
*1 *3)
* 1 : w/ Rear Seat Ent er tainment Sy stem
* 2 : w/ o Rear Seat Enter tainment Sy st em
* 3 : w/ Cu r t a i n S hi e ld A ir ba g
* 4 : w/ o Cur tain Shield Airbag
VS GND
SFL- SFL+ PL- PL+
Y
Y- B
Y
Y- B
1212
11 A 12 A
17 B B 16
2 14 B 13 B
143
Y- BY
D2 - D2 + D- D+
Y- R Y- G
4A 3A 2A 19A(
*3) 11 A(
*4)
6A 8A 3A
8A 7A(
*3) 1A(
*4)
2A
(
Cont. next page)
Y- B
(
*3)
Y
(
*3)
(
*3)
(
*3)
(
*3)
(
*3)
(
*3)
(
*3)
(
*3)
(
*3)
(
*3)
(
*3)(
*3) (
*3) (
*3) (
*3) (
*3) (
*3) (
*3) (
*3) (
*3) (
*3)
5C 6C(
*4) (
*3) P13 S18 S16 S32B19 C18
A16(
A)
, A17(
B)
, A18(
C)
C19 S33 S17 S19 P14 A20Airbag Sensor Ass embly
Airbag Squib (
Steering Wheel Pad)Buckle SW LH
Seat Posit ion Airbag Sensor LH Curtain Shield Airbag
Squib LH
Curtain Shield Airbag
Squib RH Pretensioner LH
Pret ensioner RHSide Airbag Sensor Front LH
Side Air bag Sens or Front RH Side Airbag Squib LH
Side Airbag Squib RHSide Air bag Sens or Rear LH
Side Air bag Sens or Rear RH

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
9
101112
16 HIGHLANDER (
Cont' d)A
BP
P
5IO2 11IO2
6BL1 5BL1
7A 1A
IG +B
12B8B2BSVC2 SI G2 SGD2
SVC2 SI G2 SGD2
WL O1236B 10B 4BSVC4 SI G4 SGD4
SVC4 SI G4 SGD4
V B BR123 9A 5ABSW BGND
L GR21 4BL1 1BL1
4A 8A
FSR- FSR+
2BL1 3BL1
4IO22ADI A
3AGND
C C
BFNear the Rear
Side Mark er
Light RH
V W- B
R W- B
PW- B
Data Link Connect or 3
<2- 17><3- 15>
B W BRR
GP
P P
B W
SRS
3B 9B 5B 1B 7B 11 B
SVC1 SIG1 SGD1 SVC3 SI G3 SGD3123 123 SVC1 SIG1 SGD1 SVC3 SI G3 SGD3
W
Y
GR
G
SB
R
1C 2C
FSR+ FSR-
B
W
Data Link Connec tor 3
<2- 17><3- 15>
SI L 12 BW
MPX2 22 B
MPX1 24 BMultiplex Communication
Sy st e m (
BEAN Bus)
< 20- 4>
W- B
E2
28 B 27 B
W- BE1
91L 1L1
IALeft Cowl Side
Panel 1D 14W- B
* 4 : w/o Curt ain Shield Airbag * 3 : w/ Cur tain Shield Air bag
3C 10C(
*3)
(
*4)
A16(
A)
, A17(
B)
, A18(
C)O 8 O1 0
O 6(
A)
, O 7(
B)
O 9 O11
B17J18 Airbag Sensor Assembly
Buckle SW
(
Front Passenger' s Side)Junction
Connector Occupant Classification ECU Occupant Classification
Sens or Front LH
Occupant Classification
Sens or Fr ont RHOc cupant Clas sific ation Sensor
Rear LH
Occ upant Clas sific at ion
Sensor Rear RH

2005 HIGHLANDER (EWD592U)
MEMO

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
17 HIGHLANDER(
Cont. next page)
2140A ALT132ACC
IG1 AM13
4
1A 1
40A AM1
2
11C 6A
B
C
D
E
F
GW
2I 17. 5A
ECU- B
2A 4
20A P FR DOOR
1K 6
25A D FR DOOR
1D 12
20A P RR DOOR
1H 3
20 A D RR DOOR
1D 8
M DLMT PLS E U526 43
ICRight Cowl Side Panel
W- B4L 74L 8 2IB11C 7
7. 5A
IG1
1D 110
1K
3IB2 3IB1 2IB2 8IL1
W
1D 31G 10
3IN1 9IB2 12IN2 11IN2 4IN2 5IC34I 11H
I
4A 3 4I 10 4A2
5 4 7 8 6 20 9 10
2 11 51513 1
4L 102IN11
M 45 36 1H 6
78
Pow er W indow Power Source
Batt ery FL MAIN
3. 0WD. C. C
B GR
BR
Y
WG BR L
V BRG
Y
BR W- L
W- L
WL
G
LGR
WY
BDR CPUB SI G MPX1 MPX2 PWS
DN LMT PLS SGND UP GND
B B V
V
Multiplex Communication
System (
BEAN Bus)
<20- 3>
GRO WR V W- B W- B
PCT +B SU SD
D U E
G BRY B GR LG
Y
GRW- B W- BV GR
GR
L B GRGL GR
GR
Y
3 LSWE
14KUL
4KL
Door Lock Contr ol Sys tem
<18- 3> ST1
4N 1
W- B I15
F 7
P 5
P 6P10
P 7 Fusible Link BlockIgnition SW
Power Window Master SW
with ECU
Power Window Motor Front LHPower Window Mot or Front RH Power Window SW Fr ont RH

2005 HIGHLANDER (EWD592U)
M
5
678
17 HIGHLANDER (
Cont' d)
P ower W indow
1C 2
7. 5A RAD NO. 2
1J 6
12 BB1E 1BB1 3BB1 4BB1 9BB1
+B P C T SU S D
M 54 UD
13 6 7845
W- B W- BR G LG- B
L- O
L- R
L- W GRSBR
P
12 BC1E 1 BC1 3 BC1 4 BC1 9 BC1
+B PCT SU SD
M 54 UD
13 6 7845
W- B W- BR G LG- B
L- O
L- R
L- W PL GRR
BALeft Center Pillar
BBRight Center Pillar8C 9C 13C 14C 20B 21B 17A 5A 9D53B 10 3A
63C 83A
7IO2 16 IO2 6IO2 10 IO1 5IA1 17 IA1 16 IA1 11 IA1 A
B
C
D
E
F
G
H
IGR
L
G
GR
B
GR
L
GR
Y
O WL GRLG
BR
WBBRG
B
GR
O
W
LG
BR GR
L
GR
RRD RRU RLD RLU PD PU ACC IG BECU
2AGND2
7DGND1
IBRight Instrument
Panel Brace IC Right Cowl Side Panel13 3F33B
14N 11 4H
74L
W- B W- B
W- B W- B W- B
10 AMPX2
6BMPX1Multiplex Communication
System (
BEAN Bus)
< 20- 3>
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
P 8P 9
P12
P11
Body ECU
Power Window Motor Rear LH Power Window Motor Rear RH
Power Window SW
Rear LH Power Window SW
Rear RH

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
18 HIGHLANDER(
Cont. next page)
2
13 2ACC
IG1 AM13
4
1A 140A AM11 21C 6
20A P FR DOOR
1K 62I 1
25A DOOR LOCK
2A 2
7. 5A ECU- B
2A 4
3IB1 8IL1D. C. C
5IC3
2IB21G 10
1D 3
IALeft Cowl Side Panel 1D 141E 44M64L8
4L 102IB1 1C 7
7. 5A IG1
1D 11K10
3IB2
9 10 209D 4D 17A 5A
3A 10
3B 5
216 10 A
5IF3
1IB2
B WWFL MAIN
3. 0W
Batt ery
W- B W- B W- B
W- B
L- WR- LL
G
1C 2
7. 5A RAD NO. 2
1J 6
3A 8
3C 6W
GR
8IK2
R- B W- L BR
B
8GR
W- L
7 BRGB B BR
W
B
BR
W
V
Y
OY
B B 1D
LB
5IB1 4IB1 13 IA2
B
L
LL
2D
BRBR R
W
BR
4G
14Y
3LG
4321 5 6
3 65
W- B
IN12
W- B14 IN2 7 IN2
WP
7B
RR12 B
LGLG
W- B W- B
W- B
4B
B
C
D G
L
W- B
Power SourceDoor Lock Control
W
BDR SI G CPUBMPX1
GNDMPX2
KL KUL LSWE LSW BECU BDR1 ACC IG MPX2
LULELSSR L ULOBD2 ACT+ ACTD PML PMUL
L G 6
1H
10A DOME12 IK34D 9 2A 3
4H 6A R
R R
V
Multiplex Communication
System (
BEAN Bus)
<20- 3>6BMPX1
Multiplex
Communic at ion
System (
BEAN Bus)
< 20- 3>
140A ALT
ST 1
Data Link Connec tor 3
<2- 18><3- 15> O
I15B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
D11
D1 2J 5
P 5 F 7Bo dy ECU
Door Lock Control
SW
Door Key Lock and Unloc k SW Fr ont LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH Fusible Link
BlockI gnit ion SW
Junct ion
Connect or
Power Window Mas ter SW with ECU

2005 HIGHLANDER (EWD592U)
M
5
678
18 HIGHLANDER (
Cont' d)
W ireless D oor
Lock Control
D C BG
L
W- B1IN2 8IN2
V
13 B
SBSB V
GR4 3
LULPKUL
8B
VPKL
2IN211 B
BRBR BR6
LSSR LSWP
5IN1
LW1
L4IN1
WR2
UL C C
C
W
5E6DWACT-
A A
AA
G
C C
CC
V
BALeft Center Pillar 11 BB1
W- B W- B
6BB1 13BB1
B GB-W
GR
3 17BB1
VL-B4
2 IA110
V
BBRight Center Pillar 13 BC1
W- B W- B
11 BC1 6 BC1
V SB B- W
L- B
1 27BC1
BR GR4
3A A
AA
B 17 DBLSWA
17 BH1 8 BH1 15 BH1
BELeft Side of Back Door
W- B
3BG2 1BG2
V GG
R
1 28BG3
BV4
32BKSW
B
V GB
4H 11
4L 7
W- BIC Right Cowl Side
Panel7DW- BGND1W- B
W
G
A17 C
YPRG
16 C
GRRDA AR
BFRight Side of
Rear Cross Member
W- B R
BR SB B
W- B325
1 15 IO2 10 IO214 IO2
Door Lock Control
E PRG RDA +B
Key Reminder and
Seat Belt Warning System
<26- 2>19 AHA Z
L15 CBZR
W
14 IK3
L- Y2 1
IK3 3W- B W- B4M 3
LSSR L UL
EUL L LSSR
EACT- ACT+ S
E 3IA1
B
BCLeft Side of
Re ar Cr oss
MemberW- BD D
B
Tur n Signal Flasher
<8- 3>
A A
AJ19
W- B D13D1 4
W 5
W 6 J12 B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
J10
J 5 J10
J14B15 D15 Body ECU
Bac k Door Lock Motor
Bac k Door Unlock Detection SW
Door Key Lock and Unloc k SW Front RH
Door Lock Motor Front RH
Door Unlock Det ect ion SW Front RHDoor Loc k Motor Rear LH
Door Unlock Det ection SW
Re ar L HDoor Lock Motor Rear RH
Door Unlock Detection
S W Re ar RH Junct ion
Connect orJunc tion
Connec tor
J unc tion
Connec torJunct ion
Connect or
Junction
Connector
J unc tion
Connec tor
Junction
Connector
Wireless Door Lock
Buzzer
Wireless Door Lock
ECU
J18
Bu zz er

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