2001 TOYOTA HIGHLANDER relay

2005 HIGHLANDER (EWD592U)
246
Power Outlet
1D 4
1F 1
W- B
1 2
E BR13
7. 5A
IG1
1K 10
3A 10
3D 2
6 3
3F 12
3F 13
IB
W
RGR W- B W- B
4
M 2
2
1E
G
1J 1
W- B
B
F 8
IK2 15
IL2 7
RW
43G
W- B140A ALT
2
11C 6
40A
AM1
1A 123 1515A
PWR
OUTLET1 2
1C
1D 14 1H7
IA F 7L
W
W
LG W- B W- BWB
FL MAI N
3. 0W
BatteryACC
Relay 23
AM1ACC
IG1
I15
IA2 2
Y V
W
W- B 1 2
BIND
E From Power Source System (
See Page 62)
Fusible Link Block
Fron t Power Out le t
Ignition SW
Main SWRear Power Outlet

2005 HIGHLANDER (EWD592U)
247
20A
POWER
OUTLET2
BCIA1 7
W- B
R
W
Y G GW- BW
G- R
15
1
137 23
4
45
P23
V15
J12 -S L
E EXCDAC2 AC1 +B +S B
INVERTER Relay
ELS2 12
E 5 B
B
(
*1) (
*1)W
BIA2 7IK2 1
R R W- B
EH A
J 2W- B
62C
W
W- B W- B22
22* 1 : w/ Rear Seat Entertainment System From Power Source System (
See Page 62)
Engine Control Module
Junction
Connector
Junction
Connector
Power Outlet (
110V)
Voltage Inverter

2005 HIGHLANDER (EWD592U)
248
Power Outlet
F8 Front Power Outlet
2-Ground : Approx. 12 volts with ignition SW at ACC or ON position
1-Ground : Always continuity
R13 Rear Power Outlet
2-Ground : Approx. 12 volts with ignition SW at ACC or ON position
1-Ground : Always continuity
M2 Main SW
3-Ground : Approx. 12 volts with ignition SW at ON or ST position
6-Ground : Always continuity
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
E542I1543M243
F738 (3MZ-FE)J239 (3MZ-FE)P2344F740 (2AZ-FE)J241 (2AZ-FE)R1345
F843J1244V1545
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
222Engine Room R/B (Engine Compartment Left)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1A29Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel)
1C
1D29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1F29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
1H
1J28Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel)1K28Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel)
2C27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
3A
3D30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3FInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3G31
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IA152Cowl Wire and Floor No 2 Wire (Left Kick Panel)IA252Cowl Wire and Floor No.2 Wire (Left Kick Panel)
IK254Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
IL254Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)
: GROUND POINTS
CodeSee PageGround Points Location
EH48 (3MZ-FE)Under the Left HeadlightEH50 (2AZ-FE)Under the Left Headlight
IA52Left Cowl Side Panel
IB52Right Instrument Panel Brace
BC56Left Side of Rear Cross Member
Service Hints

2005 HIGHLANDER (EWD592U)
252
Rear Window Defogger
2H 22A8
2C 12C3 2F4
EH AIC2 18 IK317
IA1 1
BG1 2IL2 16
118
A 1
B 1
BE AIK2 7A A10A
HEATER
1G 8
G B
GR- LB- RY Y
J 5
P
SB LY Y
J 2 J14
B W- BN 2
W- B
W- B
Rear Window
Defogger SWA10 RR
DEF
Relay
321 5
4
B 9B- R
Y
RDFG
30A RR DEF
5F 7From Power Source System (
See Page 62)
R16(
A)
, R17(
B)A/C Control Assembly Fusible Link Block
Junction
ConnectorJunction
Connector
Junction
Connector
Noise Filter
(
Rear Window Defogger)
Rear Window
Defogger

2005 HIGHLANDER (EWD592U)
253
RR DEF Relay
5-3 : Closed with the ignition SW at ON position and rear window defogger SW on
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A1042J241 (2AZ-FE)R16B45
F738 (3MZ-FE)J543R17A45F740 (2AZ-FE)J1444
J239 (3MZ-FE)N244
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1G29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
2A
2C27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)2F27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2H
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IA152Cowl Wire and Floor No.2 Wire (Left Kick Panel)
IC252Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)
IK254Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
IL254Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)
BG156Back Door No.1 Wire and Floor No.2 Wire (Rear Left of the Roof)
: GROUND POINTS
CodeSee PageGround Points Location
EH48 (3MZ-FE)Under the Left HeadlightEH50 (2AZ-FE)Under the Left Headlight
BE56Left Side of Back Door
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
B956Floor No.2 Wire
Service Hints

2005 HIGHLANDER (EWD592U)
254
Mirror Heater and Front Deicer
7. 5A
IG1
1K 13 1F 220A
FR DEF
1F 3
52 31
B
GR
11
113A 4
3J 7B
4F 3
V
4K 3 4K 4 4L 12
IN1 1IB11IK218
B B
G G G
1 3 7
82
B W- B
1B 9
1D 14
W- B
IA 4L 8
4N 1
W- B
IB1 2 7
8
B W- B
4L 10
4L 7
W- B
IN1 2
IC
G W- B
W- B
W- BIF2 8
2 10
11
3J 6
3F 13
W- B
IB
W- BPG
G
BR BR
DEICER
Relay
FDEF I G+
GND
F 5
E137. 5A
IG1 7. 5A
IG1 7. 5A
IG1 7. 5A
IG1 7. 5A
IG1 7. 5A
IG1 7. 5A
IG1 7. 5A
IG110A
HEATER From Power Source System (
See Page 62)
Front Wiper Deicer
A/C Control Assembly A10 Remote Control
Mirror LH R19 Remote Control
Mirror RH R20
Heater Heater
Front Wiper Deicer
and Mirror Heater SW

2005 HIGHLANDER (EWD592U)
255
A10 A/C Control Assembly
2-Ground : Approx. 12 volts with the ignition SW at ON position
11-Ground : Always continuity
DEICER Relay
5-3 : Closed with the ignition SW at ON position and front wiper deicer and mirror heater SW at ON position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A1042F540 (2AZ-FE)R2045
F538 (3MZ-FE)R1945
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
124R/B No.1 (Lower Finish Panel)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1B29Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel)
1D29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1F29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
1K28Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel)
3A303F30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3J31
()
4F33
4KCowl Wire and Passenger Side J/B (Right Side of Grove Box)4L32Cowl Wire and Passenger Side J/B (Right Side of Grove Box)
4N
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IB152Front Door LH Wire and Cowl Wire (Left Kick Panel)
IF252Instrument Panel Wire and Cowl Wire (Right Side of Instrument Panel J/B)
IK254Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
IN154Front Door RH Wire and Cowl Wire (Right Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
IA52Left Cowl Side Panel
IB52Right Instrument Panel Brace
IC52Right Cowl Side Panel
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E1348 (3MZ-FE)Engine Room Main WireE1350 (2AZ-FE)Engine Room Main Wire
Service Hints

2005 HIGHLANDER (EWD592U)
256
Seat Heater
1H 515A
SEAT HTR
1F 8
23 15
V
11
1
IP1 10
R
BM1 7
R(
*2)
6 4
B(
*2)
W- B(
*2)
BM1 1
BB 4L 9
4L 7
IC3K 63K7
3F 13
IB
W- B
W- B W- B W- BW- B
IF1 1
R
IA2 5
R P
6 4
B W- B
BA W G
S 4 S 3
S26
S25 I 4
46 3
E RH IG
64 3
LH E IG W * 1 : w/ Power Seat(
Front Passenger' s Seat)
* 2 : w/o Power Seat(
Front Passenger ' s Seat)
1
SEAT HEATER
Relay7. 5A
IG1
A B
B C
B A
A A
B(
*1)
R(
*1) W- B(
*2)
W- B(
*1)
W- B(
*1)
L
A B
B C
B A
A A IF14
W
W- B
From Power Source System (
See Page 62)
J21(
A)
, J22(
B)
J21(
A)
, J22(
B) J23(
A)
, J24(
B)
J23(
A)
, J24(
B)Junction
Connector
Junction
Connector Junction
Connector
Juncti on
ConnectorSeat Heater SW
LH Seat Heater SW
RH
Seat Heater LH Seat Heater RH