TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
206
Wireless Door Lock Control
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1D
1E29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1G29Cowl 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)
2A27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
3A
3B303C30
Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3EInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3H313J31
4A
4D
4F33
4G
4HCowl Wire and Passenger Side J/B (Right Side of Grove Box)
4J
g(g )
4L324M32
4N
: 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)
IB152Front Door LH Wire and Cowl Wire (Left Kick Panel)IB252Front Door LH Wire and Cowl Wire (Left Kick Panel)
IC352Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)
IE152Roof Wire and Cowl Wire (Near the Bottom of Left Front Pillar)
IF352Instrument Panel Wire and Cowl Wire (Right Side of Instrument Panel J/B)
IK254Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
IL154Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)IL254Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)
IN154Front Door RH Wire and Cowl Wire (Right Kick Panel)IN254Front Door RH Wire and Cowl Wire (Right Kick Panel)
IO254Cowl Wire and Floor Wire (Right Kick Panel)
BB156Rear Door No.1 LH Wire and Floor No.2 Wire (Left Center Pillar)
BC156Rear Door No.1 RH Wire and Floor Wire (Right Center Pillar)
BG256Back Door No 1 Wire and Floor No 2 Wire (Rear Left of the Roof)BG356Back Door No.1 Wire and Floor No.2 Wire (Rear Left of the Roof)
BH156Floor No.2 Wire and Floor Wire (Near the Rear Side Marker Light RH)

2005 HIGHLANDER (EWD592U)
207
: GROUND POINTS
CodeSee PageGround Points Location
IA52Left Cowl Side Panel
IC52Right Cowl Side Panel
BA56Left Center Pillar
BB56Right Center Pillar
BC56Left Side of Rear Cross Member
BE56Left Side of Back Door
BF56Near the Rear Side Marker Light RH
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
B156Roof WireB456Front Door RH Wire

2005 HIGHLANDER (EWD592U)
208
Theft Deterrent System
IF1 2IC3 4
WL
15A
SECURITY
2A 5
L
3
+B2IL2 18
P
12
KSW D D
GG
2 1
1 2
IL2 6IK3 15
G W
34
DSWH
G- B
10A
ECU- IG
1K 9
3A 1
3E 5
R G
10
IG IL2 17
Y SB
15
L BG3 9
V
IA2 14
BR
IL2 8
LG BR
33
UL BG2 4
B
IA2 4
Y
BE A
W- B
EG A
W- B
4G 9
4N 1
W- B W- B
4L 7
IC
W- B
3J 11
W- B
2 3
Y
11
O
IOUT
IF3 17
IC3 2
V LG B B- O
13C 8
3B 2
R B
31MPX1
1SH-
25IND
1 2
3F 11
W- B
3D 5
3F 13
W- B W- B
29E
W- B
IB J1 4
T 5 T 1
E 3
K 4 J 6
W- B W- B
2+B1
I11
1
O
IL1 11
PV
P T 4 1 23
BR
Y
B14 W- B
IOUT S+B
GND
O 4O
J 1Battery
B
B 140A ALT
2
1
F 7
W
FL MAI N
3. 0WFrom Power Source System (
See Page 62)
Back Door Key Lock and
Unlock SW
Engine Hood
Courtesy SW Fusible Link Block
Junction
ConnectorJunction
Connector
Ju nctio n
Connector
Unlock Warning SW
Option Connector 2
Theft Deterrent Horn
Theft Deterr ent ECU
Theft Deter rent
Indicator Light

2005 HIGHLANDER (EWD592U)
209
25A
DOOR
LOCK From Power Source System (
See Page 62)
2A 27. 5A
RAD
NO. 2
1J 6 10
IK2 83A 8 3A 10
3C 6 3B 5
61H
BECU 9D1K
R- B
W B
B BRG
A 5
IGA 17
ACC D 4
BDR1 42A
1D 3
IB2 2IB2 3
IB1 3IL1 8
IF3 5
IB2 1
4F 7A 10MPX2
IB2 8
920 107
W- L
R- L L- W
GR VBR
WY V
Y SB
O
CPUB SIG BDRMPX2 MPX1
IB1 2
4L 8
4L 10 1D 144M 6 1E 4
IA
W- B
W- B W- B
W- BIB1 5IB14 B BIA2 13 D 1ACT+
D 2ACTD
56
D12 414 316
4321
G
Y
LG
BR
W
RL
BRL
L
BB
2
LG
L
IN12
W- B W- B GND KL KUL LSWE LSW
BR
IC3 5
1G 10
W- L BR
7. 5A
IG1
1D 1
P 5 20A
P FR
DOOR
1K 6
4A 5 IL2 1
A 21B 9
SB
B 2A 9
G
R
GIL2 12 6B MPX+
G
GR
MPX- MPX-
MPX+
UL E LSSR L UL
M 7. 5A
ECU- B
1D 9
P
V
PB B
* 1 : w/ Navigation System
* 2 : w/o Navigation System
E E
P
B 1B2 A 1A2
BR
3J 123E 1
3H 5
Y
MPD1 MPD2
G 5
11 4
V
V
(
*1)
(
*2) G
(
*1)W
MPX1
E 618 29
MPX2
MPX1
W
8
W- B
GR
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
C11(
A)
, C12(
B)
A10(
A)
, A11(
B)
A/C Control AssemblyBody ECUCombination Meter
Door Key Lock and Unlock SW Front LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH
Engine Control Module
Gateway ECU
Power Window Master SW
with ECU
Junction
Connector J17
Junction
Connector J 5
MPX1 MPX2
Airbag Sensor
Assembly A17Short
Connector S30(
A)
, S31(
B)22 24
BR BR

2005 HIGHLANDER (EWD592U)
210
Theft Deterrent System
11
D 15 1
RCTY
LGTAI L LI GHT
Relay
4A 12
4M 1
1E 3
1E 12
B 4
OBD2SIL
OBR
7
P
B 45 6
3 IN2 14 IN27 B 7PML
B 12PMUL
1IN2 IN28IN22IN15IN14C C B 8PKL
B 13PKUL LSWP
11 B D6ACT-
R
LG
V
SB
BR
W W W
P
GR
V
BR
W
R
34612IA1 10
C
D11
J 5
D13LSSR UL LW
BB1 6 BB113 BB17 A A
C C
13 4
BA BB1 11
W- B W- B
2
GR
B- W
L- BB
G
V
CC AA
J10 J10
D14B
G
G
V
V G
V
5
W- B W- BG
L
W- BR
LG
V
SB
BR
L
LUL
EMM 3B 9
3B 8
A 19
HAZ HAZ
LW
8
IL2 20
O
A 7
SB
TRL YC 11
DCTY
B
D 16
PCTY
SB
LSSR L UL
E
D 7
D 8
1J 423 151A 1
D 9
1
D10
BH1 6 B B
BB
V
W
GB
W B
A A
P
J16
IA1 14
D 3
T 8
W
IA1 9IO217
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
Body ECU
Data Link
Connector 3
Door Courtesy SW
Front LH
Door Courtesy SW
Front RH
Door Courtesy SW
Rear LH
Door Courtesy SW
Rear RH Door Lock Control SW
Door Key Lock and Unlock SW Front RH
Door Lock Motor Front RH
Door Unlock Detection SW Front RHDoor Lock Motor Rear LH
Door Unlock Detection SW Rear LH Junction
ConnectorJunction
Connector Junction
Connector
Junction
Connector
Turn Signal
Flasher
J13
Junction
Connector

2005 HIGHLANDER (EWD592U)
211
E D 11
ILE
BR
B
G
G
V
VD 17LSWA
A A
BH1 17
BC1 11 BH1 8
BC1 6 BH1 15
BC1 7
B
G BR
SB
V GR
B- W
L- B
412 AA
V
BB BC1 133
W- B W- B
BG3 8BG21BG23
BE A 412
V
G
RGB
V W- B
3B15 J12
B
IC 4L 74H 11 4G 9D 7GND1
D DB 2KSW
1 2
G G W- B
W- B W- BJ 6 K 4
MM
D1510A
HORN
32 51
D 10IC2 42B 6
HORN
W- R P
HORN
Relay40A
MAIN
2G 4
C 3
R
5 R- B
HRLY 2
EACT- ACT+ LSSR SLUL
L- R
3 3
1 3
2
3
IK3 4DRL NO. 2
Relay E10
4J 5
4F 26 2
4H 6
4D 1210A
DOME
2A 3
12 IK3
G
Y
C 6BCTY
G
IA1 4
BG3 4
GR R
1 2
W- B
R12R
IA13
BB
4N 1
W- B
J14
A 23 14
2B 1HEAD
LAMP
Relay
R- B
(
*3)
R- B
(
*3) L- R
(
*4)
L- R
(
*4)(
*3)
(
*3)
* 3 : w/ Daytime Runni ng Light
* 4 : w/o Daytime Running LightFr om Power Source System (
See Page 62)
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
Igniti on Key
Cylinder
Illumination
Y
V
Body ECU
Back Door Lock Motor
Back Door Unlock
Detection SW Door Lock Motor Rear RH
Door Unlock Detection SW
Rear RH
Junction
Connector
Junction
Connector
Junction
Connector
Unlock Warning SW Rear Interior
Light SWTr ansponder Key
Amplifier T 7

2005 HIGHLANDER (EWD592U)
212
Theft Deterrent System
E3 Engine Hood Courtesy SW
1-2 : Closed with the engine hood open
T4 Theft Deterrent ECU
3-Ground : Always approx. 12 volts
10-Ground : Approx. 12 volts with the ignition SW at ON position
2-Ground : Always approx. 12 volts
29-Ground : Always continuity
K4 Unlock Warning SW
2-1 : Closed with the ignition key in the cylinder
D12 Door Key Lock and Unlock SW,Door Lock Motor and Door Unlock Detection SW Front LH
5-Ground : Approx. 12 volts with the door lock motor at lock operate
6-Ground : Approx. 12 volts with the door lock motor at unlock operate
4-2 : Closed with the door lock cylinder locked with key
3-2 : Closed with the door lock cylinder unlocked with key
D13 Door Key Lock and Unlock SW,Door Lock Motor and Door Unlock Detection SW Front RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
3-5 : Closed with the door lock cylinder locked with key
4-5 : Closed with the door lock cylinder unlocked with key
D14 Door Lock Motor and Door Unlock Detection SW Rear LH
3-Ground : Approx. 12 volts with the door lock motor at lock operate
4-Ground : Approx. 12 volts with the door lock motor at unlock operate
D15 Door Lock Motor and Door Unlock Detection SW Rear RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
B15 Back Door Lock Motor and Back Door Unlock Detection SW
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A10A42D1144J1344
A11B42D1244J1444
A1742D1344J1643
B9A42D1444J1743
B10B42D1544K443
B11C42E338 (3MZ-FE)O443
B12D42E642P544
B1444F738 (3MZ-FE)R1245
B1544F740 (2AZ-FE)S30A43
C11A42G543S31B43
C12B42J139 (3MZ-FE)T139 (3MZ-FE)
D342J141 (2AZ-FE)T443
D744J543T543
D844J643T743
D944J1044T843
D1044J1244
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
323Engine Room R/B No.3 (Engine Compartment Rear Left)
Service Hints

2005 HIGHLANDER (EWD592U)
213
: 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)
1D
1E29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1G29Cowl 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)
2A
2B27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2G
gg(g)
3A
3B
3C303D30
Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3EInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3F
3H313J31
4A
4D
4F33
4G
4HCowl Wire and Passenger Side J/B (Right Side of Grove Box)
4J
g(g )
4L324M32
4N
: 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)
IB152Front Door LH Wire and Cowl Wire (Left Kick Panel)IB252Front Door LH Wire and Cowl Wire (Left Kick Panel)
IC252Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)IC352Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)
IF152Instrument Panel Wire and Cowl Wire (Right Side of Instrument Panel J/B)IF352Instrument Panel Wire and Cowl Wire (Right Side of Instrument Panel J/B)
IK254Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
IL154Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)IL254Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)
IN154Front Door RH Wire and Cowl Wire (Right Kick Panel)IN254Front Door RH Wire and Cowl Wire (Right Kick Panel)
IO254Cowl Wire and Floor Wire (Right Kick Panel)
BB156Rear Door No.1 LH Wire and Floor No.2 Wire (Left Center Pillar)
BC156Rear Door No.1 RH Wire and Floor Wire (Right Center Pillar)
BG256Back Door No 1 Wire and Floor No 2 Wire (Rear Left of the Roof)BG356Back Door No.1 Wire and Floor No.2 Wire (Rear Left of the Roof)
BH156Floor No.2 Wire and Floor Wire (Near the Rear Side Marker Light RH)

2005 HIGHLANDER (EWD592U)
214
Theft Deterrent System
: GROUND POINTS
CodeSee PageGround Points Location
EG48 (3MZ-FE)Under the Left HeadlightEG50 (2AZ-FE)Under the Left Headlight
IA52Left Cowl Side Panel
IB52Right Instrument Panel Brace
IC52Right Cowl Side Panel
BA56Left Center Pillar
BB56Right Center Pillar
BE56Left Side of Back Door
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E1048 (3MZ-FE)Engine Room Main WireI1154Instrument Panel WireE1050 (2AZ-FE)Engine Room Main WireB456Front Door RH Wire

2005 HIGHLANDER (EWD592U)
215
MEMO