Page 2289 of 2572
2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1112
10 9
15 HIGHLANDER (
Cont' d)
L
W G
W
B
W
Y
W Data Link Connect or 3
<2- 18><3- 14>
L P
W- B P
13
2910CA NL CA NH IG1 BAT
ESS
SB B
CP
P
GVA 11 B 6 B 11 A 17 L V
B W
O VW-B32 5
1 GNDCA NH CA NL IG
BFNear the Rear
Side Mark er Light RH
W- B
13
7B
SB
BR
W
L
P WB GR SB
IBRBR
Speedometer
VSC Brake
A
3K 23B 12
Right Instrument
Panel Brace A
H
I
VSC and Tire Pressure W arning System
D
F
J
K
M u ltip le x C o m m u n ic a tio n S y s te m (
CAN)
3IO2 12IO2 13IO2
G W
E E
21 10 22 11 20 9
19 8 9IL1 P
ABSBR
16 IF3 6 IF2 6 IF3 18 IF3
BR
SB
SB
15 IF3
EB Right Front
Fender Apr on
VR R-BA B
E7
3C 4
3A
1A
P
B 10
1IC4
A A
BBRight Center
Pillar
W- B
J19
A
W- B
Slip
TRAC OFF
Tire Air
Pressure (
2WD)(
2WD)
LW- B
W- B
C1 1(
A)
, C12(
B)
B 4
J16 Y 1
J19J17
J 4Brake Warning SW
Combination Meter
Junc tion
Connec torJunction Connector
Junct ion
Connect or
Junction
Connector
Steering Sens or
Yaw Rate Sensor
S14
2 1
Page 2290 of 2572
2005 HIGHLANDER (EWD592U)
MEMO
Page 2291 of 2572

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
Page 2292 of 2572

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
Page 2293 of 2572

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
Page 2294 of 2572
2005 HIGHLANDER (EWD592U)
MEMO
Page 2295 of 2572

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
Page 2296 of 2572
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