TOYOTA HIGHLANDER 2001 Service Repair Manual

'05 HIGHLANDER_U (L/O 0409)
11 7
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
CAUTION
Do not extend the plate at the end of
the sun visor when the visor is in the
position 1. It can cover the anti- glare
inside rear view mirror and obstruct
the rear view.
Ty p e A
Ty p e B
To use the vanity mirrors, swing down
the main sun visor and slide the cover.
Type A onlyÐThe vanity light comes on
when you slide the cover.
ÐVanity mirrors

'05 HIGHLANDER_U (L/O 0409)
11 8
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)

2005 HIGHLANDER (EWD592U)
74
Engine Control for 3MZ-FE
E 6
10A IGN
11
11 IC3 6
1 2
1 2
1 2
1 2
1 2
1 2
5 4 23 15
BCG
B- W
W
B
Y
L
BR L W- BR
R R R R R R
G B- WWB YL
YCIRCUIT OPENING
Relay I 8
I 9
I10
I11
I12
I13
W- B 1 5
2 32 25A
A/F
2 2
P
A/F Relay
Y P- L
G
P- L
2
B W- BW P4M 4
4E 1
15A IG2
1G 9
LG
1G 6
M EB1 5
R2
W- B R- W
2
W
P
B
E E
J 3
P
R- W E
P
4F 1
W
IA2 8 Fr om Power Source System (
See Page 62)
Injector No. 1
Injector No. 2
Injector No. 3
Injector No. 4
Injector No. 5
Injector No. 6
Ju nctio n
Connector
Fuel Pump F12

2005 HIGHLANDER (EWD592U)
75
7
2B 2G 5
2F 42B8 23 15
D 3E5E4 A 1A3
EH20A
EFI NO. 1
B- R G
B- W
W
B
Y
L
G
3
BRW W- B
B- W
W W- B
EFI Relay
+B BATT
#60 #50 #40 2A 7
W- B
MREL
A 8
P Y P- L
B 2DB- W
A 2B
P- L
5
W- BA 9IGSW
Y
A 10FC
W
IC2 2
B W
IK3 13
B
EB1 1
Y
I 7
B- R B- W J 2
IK2 11
B- W
A 2
+B2
W
E14 10A
EFI
NO. 22
22B4
W
W
2 12 1
ACM
B- W V 5
Y- G
C 6
B
7 EB2 P
Y
L BR- W
B- R
P
IK2 10
W
B- R
B- R
B- W
B
BRBR
R- WP
From Power Source System (
See Page 62)
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
Engine Control Module
Junction
Connector
VSV (
ACM)

2005 HIGHLANDER (EWD592U)
76
Engine Control for 3MZ-FE
14 BJ1 I 9
2
18 BJ1 IM1
5IO1 2
E 3E2E1E 16
B
Y
L
NSW
#30 #20 #10
B- R
E 17
STA
B
R- W
516 IO1
RR
V14
B
4
NPGR
R
W- B BR BR
P
12
IM1
V
7. 5A
STARTER
W- B
E147IO1
L- B
THA1E14 E14B- R
4 20 E20A
STOP
1E 1
2 1
2 1
E 29 E 30
5 1 32
B- R B- R
E2G VGPRG ACIS STP
G R- Y BR Y
B- R B- R L- WR B- R
E14I 6
1 2C 2E21 E18 E 19
16 5Y VTA1 VC THW
LG- B
Y R- WW
YV 2S15
M 1
T13
W- B
W- B
W- B
C 8
FAN NO. 1 Relay
CF E 34 E 15 B 19
IM1 13 2
4M 124L 3 IC1
L- W
M-
B- R
1 2
CCVE 27SB L
R- Y
15
IO1
B
EB2 3425
10A
ETCS
W
+BM 6B2
Y
LE 7
B- R L B- R P 1
GR B- RGR
R- W
16 BJ1 B
B- R
B- R
BR
E14 BRBR
B 5
A 5E 28E2
BR BR
BP P
5 EB2
BR BR E 31
4 VTA2
B- R
C 3
2
B
M+
3E2 M+ M- VTA1 VTA2 VC C 17GE0 1
(
*1)
IM1 14
L
BI1 3
BJ117
BR Fr om Power Source System (
See Page 62)
FAN NO. 2 Relay
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
S28(
A)
, S29(
B)
Engine Control Module
Mass Air Flow
Meter
Park/Neutral
Position SW
Stop Light SW
Short Connector
Throttle Control Motor
VSV (
ACIS No. 2)
VSV
(
Canister Closed Valve) VSV (
EVAP) V 4 Engine Coolant Temp.
Sensor E 2
VG E2G THA
+B E2
Throttle Position Sensor

2005 HIGHLANDER (EWD592U)
77
T14IM1 2
1BI1
G- R
1
L
27
Y
12 BJ1(
*1) R- W R- W
A 21C 10
1
3A
VCP24 2
21 3
PSWHT1B OX1B
R- WL
BR
B
VPA2A
WBR
23
H10 W B
D 25 D21
R- Y
W
B 26 B 27
67IMO IMI
V B
W- R
IGF1
24 E3 1
2
2 1C 16 C15
2 1C 14 C13 1
2
G- W
L- R G- R
G- B
OC1+ OC1- OC2+ OC2-
W
R
NT+D 27
NT-D 35
NC+D 26
NC-D 34
W- G R- W
Ignition Coil and Igniters
EFIO EFIIB 2ACMG
O
MG CLT Relay
PTNK
IO1 3 GR
IM1 2
6IM1 * 1 : Shielded
3
(
*1)BR BR
29 A
EPA2
B
22 A
VPA EPAA 28
R
B- R
156 EPA2 VPA2 VCP2 EPA VPA
G
26 A
VCPA4 VCPA A27
3 14 2
HT2B OX2B
BR B- R
D 33 D29
W- L
B
E14(
*1)
BR
(
*1)
P P
A 12ELS2
G
IA1 7
5
EXCD
BR BR
GR H 6
BI1 2
Y
G
(
*2)(
*2)
* 2 : w/ Rear Seat Entertainment System
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C) Accel Position Sensor
Engine Control Module
Heated Oxygen Sensor
(
Bank 2 Sensor 2)
Heated Oxygen Sensor
(
Bank 1 Sensor 2)
Transponder Key
Computer
Tur bine Speed Sensor T 3
Counter Gear Speed
Sensor C 6
Voltage Inverter V15 Power Steering Oil
Pressure SW P 2 Camshaft Timing Oil
Contr ol Valve LH C 3 Camshaft Timing Oil
Contr ol Valve RH C 4 Vapor Pressure Sensor V11
+B E1 E2 +B
HT OX HT1B OX1B
PTNK
VCC GND

2005 HIGHLANDER (EWD592U)
78
Engine Control for 3MZ-FE
G 14C RL
21
L
W- G
E16
6 EB1
A2A-
P
EB1
D 5D43 14 2 (
*1)
(
*1) (
*1) (
*1)
HA1A A2A+
R- W B- R
(
*1) (
*1)
A 7
HA2A A1A- A1A+ 3
D 22 D30
BR
Y
D 23 D31
L
R- W
R- L
IGT1
8E
P
IGT2
9E
Y- B
IGT3
10 E
L- Y
IGT4
11 E
G- Y
IGT5
12 E
L- R
IGT6
13 E
Ignition Coil
and Igniters
G
TRC+
31 A
Y
TRC-
25 A
Skid Control ECU
with Actuator
R- W R- W(
*1)
V 7
L
(
*1)
(
*1) (
*1)
2 1
(
*1)
2
1
V 6
C 7
6D
I 6 E05I 6
26 C
L
R
I 6
ECE 6C7 E 7 C 22E04
7
ED D
W- B
W- B
W- B
GGR
MOPS E01 E02 E03
(
*1)
B- W W- B W- B
W- B
G
C 25 C24 C27
(
*1)
1
O 1
Y- B
VV2+ NE+ NE- VV1+2
1 3 14 2
B- W B- RA 6
(
*1)R- W
BRP P
C 4
W- B
ME01
I 6
W- B
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
Air Fuel Ratio Sensor
(
Bank 1 Sensor 1)
Air Fuel Ratio Sensor
(
Bank 2 Sensor 1)
Crankshaft Position
Sensor
Engine Control Module
Generator
Oil Pressure SW
VVT Sensor LH
VVT Sensor RH
HT AF+ HT AF++B AF- +B AF-

2005 HIGHLANDER (EWD592U)
79
A TCA A 20
ENG+ NEOA 17 A24
ENG-A 30
B
V
RSkid Control
ECU with Actuator
EOM
A 15
(
*1)
(
*1)
(
*1)
D 1
2
R
KNK2
(
*1)
(
*1)
BR
BR
(
*1)
(
*1)
(
*1) (
*1)
W
P
KNK1
B
D
2 2A
A 4LR
A29MPX2
11W
L B 5TACHI 8
EA1 4 EA13 EA11 EA1 2
11B 18 D 28 D 20 (
*1)
(
*1)
WG
WG
BR V
EKN2 EKNK MPX1
(
*1)
SIL
B R
GR K 3
K 2
GR A 19 A18
(
*1) SB
(
*1)
A
AA
WF SE
AIM1 4
R
(
*1)
R
(
*1)
O
AAA
(
*1)
(
*1)
B
J 7 6 12 4A
17SPD
Y
B
BRO
V
P
W- B
B
Y
W
W- B
P P
L
Y
* 1 : Shielded
E1E 1
BR
BR
A
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
Engine Contr ol ModuleJunction Connector
Knock Sensor
(
Bank 1) Knock Sensor
(
Bank 2)
IL2 10 IL29

2005 HIGHLANDER (EWD592U)
80
Engine Control for 3MZ-FE
A
AB
B
9TAC
4G 1A 2
WBA
1B
16 75
IC21 IL2MPX1
74L 114L54F
R SB
14N 64C7
1IL2
B 2 12 IL2
GR1
74F
8IB2
1IB2
5IF3
B 68
10 A 10 1E7. 5A
OBD
MPX+ MPX2
W
MPX2
MPX1
W- B
W- B
B
GR O
SB GR
SC SIL BAT
CG
4
W- B
V
G Y OGR
P 5
LY
SB
Y
L O 2B P
4AP
54H
W- B
D
D
15
J16
5
WFSE13
TC
P
11MPD14
MPD2 D 3G 5G
MPX-
V
9A
GV
O
R
W
R
O
V
P
W- B
B
Y
BR BR
BR
22MPX2
24MPX1 A17
(
*2)
(
*1) (
*1)
3E 1
3J 12
GY
* 1 : w/ Navigation System
* 2 : w/o Navigation System From Power Sour ce System (
See Page 62)
S30(
A)
, S31(
B)
A10(
A)
, A11(
B) B 9(
A)
, B10(
B)
A/C Control
Assembly
Airbag Sensor Assembly
Body ECU
Data Link Connector 3
Gateway ECUJunction
Connector
Power Window Master SW
with ECU
Short Connector

2005 HIGHLANDER (EWD592U)
81
Malfunction
Indicator Lamp
13 A 9IL1
SB SB P
P
SBY
B 4
L Y OB 6
W Y
93J
13B IF3 18
IC4 15
GR BR BR- R
12
SP1
S27OL
BR
10A
HEATER
1K 13 4 2A7. 5A
ECU- B
IC3 5
1G 10
1K 1 3A 4
3C 7
B P
LG W- LBR
3F 9
3D 3
VLG
4H 6
4D 11 10A
DOME
2A 3
R VV
V12 IK3
IL2 11
23K 12 3BA 11
R
1B 6B1
13 B
Speedometer
Tachometer
7V 5V A2A12A B 9A21
IB
Y SB
From Power Source System (
See Page 62)
C11(
A)
, C12(
B)
Combination Meter
Skid Contr ol ECU
with Actuator