TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1112
10 9
29 HIGHLANDER (
Cont' d)
9BTX1 +
9IP1
Y
TX1-
10 B
IP1 19L
MUTE
6A
IP1 20P P
14 IP1B 15RS R+ RS L+
17 B
IP1 16
SB
LG
15 IP1B 16RSR- RSL-
18 B
IP1 17
BR
18 IP1B 14SLD1
26 A 24 A25 A 23 A 27 A
B R
WG (
*4)(
*4)R- R+ R- L+R- R- R- L - SG2 A 31
LG(
TX+)A 30
GR(
TX-)A 12
VLMUT
Audio System (
8 Speaker)
AV(
*1)
IP1 8
G
7IP1A 5L- R-
3A
IP1 5
WR
6IP1A 4L+ R+
2A
IP1 4
BA 10 8 A9A A7
SG1 L- R-11 ABR+
RL+
WG (
*4)(
*4)
RMU
19 B
IP1 3OA 28LRMUT16 A
+B1 21 IO2
Y V
BG(
*1)
GACCA 32
C 20 A 21 A 19 ASGN1 NT S1 SG3 3
R G (
*4)
Multi- Display
<30- 5>
* 4 : Shielded
29 A
W- BGND
7C
W- BSELD11 B 12 B 10 B 23 B 24 B 22 B7 5 6 3 1 2
(
*4)
G
R
(
*4)
Y
BR
AUXL AUXR SGND SGND NTSC SLD
(
AUXL)(
AUXR)(
SG7)(
SGN5)(
NT S4)(
SG6)
1 BK1 2 BK1 6 BK1 5 BK1 4 BK1 22 BK1 21 BK1 20 BK1 18 BK1 19 BK1 17 BK1 8 BK1 7 BK1 9 BK1 23 BK1 24 BK1 25 BK11B 2B 6B 5B 4B 13B 14B 15B 17B 16B 18B 8B 9B 7B 21B 20B 19B
(
*4)
BR
Y
(
*4)
R
G
(
*4)
B
Y
R
W
LG
P
W- B
GR
V(
*4)
L
G(
*4)
BR
Y
(
*4)
B
Y
R
W
G
V
O
W- B
GR
GP
25 24 23 9 7 8 17 19 18 20 21 22 4 5 6 2 1SG6 HP2L HP2R SG5 HP1R HP1L R2 G2 B2 VR2 SYN2 VG2 +B2 ACC2 GND1 TX2+ TX2-
+B ACC GND TX+ TX-GND1 HP2L HP2R R G B VR SYNC VG HP1 L HP1 R GND
(
Cont. next page)
C* 1 : w/ Rear Seat Enter tainment Sy stem
(
*1) (
*1)(
*1)
(
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1) (
*1)(
*1)
3B8
SBCE
GA U X
W- B
CC* 5 : w/o Rear Seat Entertainment System
10 A 9A
TX- TX+
O
(
*5)
LG
(
*5)
Multi- Display
<30- 6>
R 4(
C)
, R22(
A)
, R23(
B)
R2 9(
A)
, R30(
B)
, R31(
C)
J18
R2 8V13
J unc tion
Connec tor Radio and Play er
Rear Seat Ent ert ainment Display Rear Seat Ent er tainment ECUVideo Terminal

2005 HIGHLANDER (EWD592U)
M
13
141516
29 HIGHLANDER (
Cont' d)15 BK1 26 BK1 27 BK1 28 BK1 29 BK1 30 BK1 31 BK1 32 BK1 16 BK1 11 BK1 13 BK1 12 BK1 14 BK1 10 BK16C 2C 4C 3C 5C 10 C 8C 9C 20 C 16 C 17 C 18 C 19 C 1C
A udio S ystem (
8 Speaker)
(
*4)
G
W
R
B
(
*4)
G
R
(
*4)
G
W
R
B
L(
*4)
G
W
R
B
(
*4)
Y
BR
(
*4)
P
LG
SB
BR
V
10 14 12 13 11 16 32 31 30 29 28 27 26 15
SGND AL - AR- AL + AR+ SG NT SC S. GND SL D HPL- HPL+ HPR- HPR+ MUTE MUTE HPR+ HPR- HPL+ HPL- SLD1 SGN2 NTS2 SG9 AR+ AL+ AR- AL- SG4* 4 : Shielded
17 A 18 A
TX3+ TX3-
BRYMulti- Display
< 30- 6>
R2 8 R2 9(
A)
, R30(
B)
, R31(
C)
Rear Seat Enter tainment Dis play Rear Seat Enter tainment ECU

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
34
2 1
(
Cont. next page)
30 HIGHLANDER
Navigation System
11 A 10 A
IG ACC
12 B 11 B
IBRight I nst rument
Panel Brace
W- B
LG
8
14 7 5 12TX3+ TX3- GTX- GT X+ CG GND BATT
L
BR
Power Source
2ACC
IG1
ST1 AM1 4
FL MAIN
3. 0W
Bat tery
W SB
9 ACC
B2IG3F 9
3F 8A
B GR
W
11 4
MPD1 MPD2
Multiplex Communic at ion
Syst em (
BEAN Bus)
<20- 4>
3
140A ALT
13 40A
AM1
1 21C 6
1A 1WB
3G 63G5
3F 13W- B W- B
7. 5A
IG110A
ECU- IG7. 5A
RAD NO. 2
10A
DOME1C 71C2
1K 10 1K91J6
3A 10
3I 1
GR B
L
G
L
G
1K 3
3A 8
3D 1
WSB
3I 10 3A 13
3E 3GR BR
V
V
3A 1
3G 7
R R
V
2A 3 D. C. C
12 IK34H 64D 11 11 IL2
3I 7
7. 5A CRT
1 2
A 12
+B1 16 IK2
A A
V
6IL1
W VV V
W VVV V LGLGWO
22
22I1I15
F 7G 5
J17
M 3(
A)
, M 4(
B)
, M 5(
C)
Fusible Link BlockGateway ECU Ignition SW
Junction
Connec tor
Multi- Display

2005 HIGHLANDER (EWD592U)
M
78
6 5
30 HIGHLANDER (
Cont' d)
Navigation System
4A 5A
TX1+ TX1-
13 BTX+
14 BTX-
LGO
Rear Seat
Entertainment
ECU< 29- 13>
24 B 25 B
RG 5B
SBTX+
10 B
BRTX-
2B
WR
7B
RG
3BB
1BVR
8BSYNC
6BVG
5ASPD
O
2A 11AAUO+ AUO-
GB* 3 : Shielded
1A 10AAUI- AUI+
LGR
17 AGND1
3AGND1
IBRight Ins trument
Panel Br ace
Combination Meter
< 31- 4>
8 A 25 A 21 A 16 AHAZ SPD PBEW PKB
R LGY
7ATC
PO
LG
W
9A+B
18 AACC
GRWTweet er LH
< 29- 2>
A
BGR
W
Data Link
Connec tor 3
<2- 12>
Turn Signal
Flasher< 8- 3> Par king Br ak e SW
<15- 5>
Combination Meter
<31- 4>
4CSGD1
RRG G
NT SC
C 1
(
*3) (
*3)SGND
C 5
IP1 13 IP1 12 2IP1
Rear Seat Enter tainment
ECU< 29- 9>B B23
SYNC28 BB 27
VG BVR 26
GB Y (
*3)1IP1 11IP1
BRY
3I 63I2
3F 13
W- B
W- B W- B W- B
(
*2) (
*2)(
*2)
(
*2)
* 2 : w/ Rear Seat Enter tainment Sy st em
St er eo Power Amplif ier
< 29- 2>
(
*2)(
*2)Body ECU
<10- 7>
11 1D31J
GR
3IF3 4IF3
O
LG (
*2) (
*2)(
*2)
(
*2) (
*4)
(
*4)Radio and Player
<29- 11> Radio and Player
<29- 11>
* 4 : w/o Rear Seat Entert ainment Sys tem
14 ARL
A/T Indicator SW
<13- 3> Y3K 13
3C 1
11 IF3GGR
M 3(
A)
, M 4(
B)
, M 5(
C)N 3(
A)
, N 4(
B)
Multi- DisplayNav igat ion ECU

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
31 HIGHLANDER(
Cont. next page)
C om bin ation M ete r Power Source
2
7ACC
IG1
IG2
ST2 AM1 4
6 AM2
1A 11C 6W
FL MAIN
3. 0W
Bat tery10
W2
140A ALT30A AM2
11IC1
2I 1
3
10A HEATER
1C 7
1K 13
Engine Cont rol Module
<2- 18><3- 13> VSC and Tir e Press ure
War ning Sy st em< 15- 10>
5IC3
1G 10
1K 1
10A
DOME
2A 42A33F 9
3D 3 11 IL2
4H 64D 11
12 IK3
BL- YW
D. C. C
7. 5A
ECU- B
W- L10A
IGN1C 1
1G 6
R
Y
G
GRW- L V
V
R
LG
BR
P LGV
B
W
40A
AM1
O
3J 9W
P
4M 44E 1 ST1
P
7
3C 4
3A B
1 2
7V 5V
B 6 B 1B 13A 12 A 2 A 1 A 7Illuminat ion Lights
<11- 4>
Rheostat
SpeedometerTachometer
LCD
Fu el Water Temp.
22 A
6
3F
1
3B
12
3KW
Y
OMulti- Display
<30- 5>
Engine Cont rol
Module<2- 16><3- 6>
Navigation ECU
<30- 7>A
B P
W- B 3E 10
13 3F
W- B W- B
B
F 7I15
C11(
A)
, C12(
B)
Combination Meter
Fusible Link BlockIgnition SW

2005 HIGHLANDER (EWD592U)
M
5
678
31 HIGHLANDER (
Cont' d)(
Cont. next page)
2IR2
5BH111 IR2
3K 23B 6
IBRight I nst rument
Panel Brace
OOPY
V
BR
10 IF2
8IC3
EARight Fr ont
Fender Apron A2 1
BR P Y- B
Y- B
W- B Engine Control
Sys tem< 2- 4> < 3- 4>
VSC and Tir e Pres sure
Warning System< 15- 9>
Combination Meter
A A14 BH1
D D
P23
O
O
13 A
B 7 A 17 11 B 10 B 4B 12 B 9A
VSC
ABS
Brake
Malfunction
Indicator Lamp
Washer Level CRUISE
Oil Pressure
Char ge
ECT SNOW
Fue l
L
2
D
N
R
P
Do or
Buzzer 3 O/ D OF F A/T
OIL TEMP
Air bag
Driver ' s
Seat BeltSlip MAINT REQDTi r e Ai r
Pressure
(
USA)(
US A)
E E P
9IL1PSB
A
W- B
B
P
W- B
TRAC OFF (
2WD)(
2WD)
* 1 : 3MZ- FE
(
*1)(
*1)
3B 1211 AR
F12J 3
W 1
J13
C11(
A)
, C12(
B)
J 6
Combinat ion Meter
Fuel SenderJunction
Connector
Junct ion
Connect or
Junct ion
Connect or Washer Level
Se nso r

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
9
101112
31 HIGHLANDER (
Cont' d)
Combination M eter
9B 21A
Multiplex Communication
Sy st e m (
BEAN Bus)
<20- 4>
B 16 14 A 15 A
19 A
Tu rn RH
Tur n L H
Be am Tur n Signal and
Haz ar d Warning Light
System< 8- 2>
Headlight System
<5- 3><6- 2>Headlight System
<5- 3><6- 2>
C11(
A)
, C12(
B)
Combination Meter

2005 HIGHLANDER (EWD592U)
M
34
2 1
32 HIGHLANDER
1C 6
40A
AM1
1A 1
42140A ALT
30A CDS
30A RDI
1 2
5 322
2 2
1 2
M2 1
5 3
4 22
22 2
2G 382G
2E 2
2 3
EBRight Fr ont
Fender Apron2 1
5 3 22
22
1 2
M1G 81C 7
142E2G 6 2G 7
2A 8
A 1 2GG
B- R
B- Y B- R
L- Y
Y WB WB- R
W B- RY
B- R
R- L
L- RW- B R- Y
R- Y W- B B- RY
B- Y B- Y
FAN NO. 3
RelayFAN
NO. 1
Relay FAN
NO. 2
Re l ay
Battery
W
Power Source
R adiator Fan and Condenser Fan (
3M Z- FE)
6
10 A HEAT ER
FL MAIN
3. 0W
EGUnder the Left
Headlight
W- B
A A
7IK2
B- R
B- R
R- L
L- YEngine Control
Module< 2- 7>
1 2
12 1
R- L
MG CLT Relay
<34- 8><35- 8> Y- G
2ACC
IG1 AM1 4
L- W
L- Y
2 EB2
EH Under the Left
He ad li g htA 2G 2
2F 4
R- YW- B
5 EB22B 3
R- Y R- Y
A W- B
W- B
F 7I15
D 2
C 5W 4
J 2 J 4
R 1
W 3
A 3
Single
J 5
Pressure SW
Condens er Fan Mot or
Di od e
(
Cooling Fan) Fus ible Link Bloc kI gnit ion SW
Junc tion
Connec torJunction
ConnectorJ unc tion
Connec tor
Radiator Fan Mot or
Water Temp. SW No. 1
Water Temp. SW No. 2

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
34
2 1
33 HIGHLANDER
1C 6
40A
AM1
1A 1
42140A ALT
30A CDS
30A RDI
1 2
5 322
2 2
1 2
M2 1
5 3
4 22
22 2
2G 282G
2F 4
2 3
EH2 1
5 3 22
22
1 2
M1G 81C 7
12G 6 2G 7
2A 8
A 1 2GG
B- R
B- Y B- R
L- Y
Y WB WB- R
W B- RY
B- R
R- L
L- R W- B
W- B R- Y W- B B- RY
B- Y B- Y
FAN NO. 3
RelayFAN
NO. 1
Re la y FAN
NO. 2
Relay
Battery
W
Power Source
R adiator Fan and Condenser Fan (
2AZ- FE)
6
10 A HEAT ER
FL MAIN
3. 0W
EG Under the Left
He ad li g ht
W- B
A A
7IK2
B- R
B- R
R- W
L- Y R- Y
2ACC
IG1 AM1 4
Engine Cont rol Module
<3- 8> L- W
Engine Contr ol Module
<3- 8>
L- Y
2G 3
2E 2
AR- YW- B
2B 3R- Y
ST 1
5EB2 2 EB2
F 7I15
Si n gl e
A 3J 2 R 1
J 5
C 5Pr es su re SW
Condens er Fan Mot or
Fusible Link BlockI gnit ion SW
J unc tion
Connec tor
J unc tion
Connec tor
Radiator Fan Mot or
Under the Left
Headlight

2005 HIGHLANDER (EWD592U)
MEMO