engine TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
M
2
B- R
W WW
FW
1
78
6 5
(
Cont. next page)
3 HIGHLANDER (
Cont' d)
A
B
Y W
W
B- R
W
B
Y
L
E ngine C ontrol (
2AZ- FE)
A
B
C
J
K
L
M
N
O4E E32E1E 8A 10A10 IK2
1A 6BIK2 B- W
E
B- WBATT DP
W
ABR
3
Y
B WB YL
2 1
34 E 11B- R G
A
B
C
C 21RL +B +B2 +BM
Air Conditioning Sys tem
<34- 8><35- 8>B 2E 19W
B- R
B- R
W
24 E
W- R
8E
R- W
9E
P10 E
Y- B11 E
L- Y
Ignition Coil and Igniters
<1- 3><1- 4>
Ignition Coil and Igniters
<1- 3>
MREL FC #4 #3 #2 #1 ACMG IGF1 IGT1 IGT2 IGT3 IGT4PRG
Charging Sy stem
<1- 5>
B- R
B- R
G
R- LPSW
C 10
1
G
30 E
VG29 E
EVG20 E
THA 3 1
2
R
4 5L- WL- B
2 1
E 5
18 E 6 4
21 E 31 C 3 C 22
17 C 3E2 M- M+ VTA2 VAT1 VC
(
Shielded)
GE01
BR BR G- B
VC
WB B- R
VTA1B- WYY
VTA2 M+ M- THWBR G
E02 E0 1 MOPS
W- BElec tr onic ally Controlled
Trans mis sion and A/T
Indicator System< 14- 2>
W- B
Y- BE 6 E 7
Left Side of
Cylinder BlockEF C 22
1C
FAN NO. 3 Relay
<33- 2> R- WCF
19 8STP
B
L- WE 14FAN NO. 2 Relay
<33- 3>FAN
2 1 OC 1+
C 16 15 COC 1 -
G- R G- W
B- R B- R
27 E 4 A 21 A3IO1 4IO112 BJ1 13 BJ1 BJ1
5IO118 14 BJ1
IO1 16
13 I M17IO1BJ1 164
12 IM1 15 IO1BJ1 1728139
PPMP MPMP VPMP Y
L BRB
L BRR WY RV
Y
WL
LG
Y- G SB
BR
P
BR
Elec tronic ally Cont rolled
Transmis sion and A/T
Indicator System< 14- 4>D 10 B 17 B
Y
Combination Meter
< 31- 4>SPD 9IL2Y
14 I M1
SB
I11 A
SBW5A
5B
E 28
BRE2
ST ARTER F us e
<1- 2>NSWB- RE 16
Park/Neutral Position SW
<1- 2>STABE 17 BR P
H
9A
IGSW 12 B
ST1-E
E EE
2
1
Stop Light
System< 9- 1> PP VPP
3
4D
E W- B
GR
GR6
ME01
W- BC 4
W- B
O 1
P 2
C 2
C17 T1 3
E 2
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
S2 8(
A)
, S29(
B)
M 1
V 4
S1 5
J 6
FAN NO. 1 Relay
<33- 3>
C a ms h a f t T i mi n g
Control Valve
Charcoal Canister Assembly
Engine Coolant
Temp. Sens or
Engine Cont rol Module
Mass Air Flow MeterOil Pressure SW
Power St eer ing Oil
Pressure SW
St op Light SWShort Connect or
Throttle Control Motor
VSV (
EVAP)
Junct ion
Connect or
VG E2G THAEKR EKN EKL EKQ EKS EKP
+B E2EKM Throttle Pos ition Sens or

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
2
1112
10 9
(
Cont. next page)
3 HIGHLANDER (
Cont' d)
W
B- R
B- R A
B
C
21 D 29 D24 13
BRB
5D 23D A20 13 24
31 D
B- WBRY
GRB- R
YB
C
HT 1B OX1 B HA 1 A A1 A + A 1 A- TCW- B
R
O
E ngine C ontrol (
2AZ- FE)
(
Shielded)
(
Shielded)
W
A
IM1
R- Y
IM1 3G
O1 B- IM1 6R
2D
W
25 C C24 27 C
R GL Y
(
Shielded) (
Shielded)NE+ NE- G2+
G
26 B 27 BIMO IMI
V
B
NC- NC+ NT- NT +
Electronically Controlled
Tr ans mis sion and A/T Indicator
Sy st em< 14- 5>
D 34 D 26 D 35 D 275IM1
1 2
2 1A (
Shielded) (
Shielded)
(
Shielded)
28 D
EE Intake Side of
Cylinder Block7C 7D 5A1CIM14
A A
A
18 A
E1SI L
B
(
Shielded) BR
W
W- B W- BB
FKNK1 E03 E04 TACH MPX1MPX2(
Shielded)R
R
BRBR1 AA
VWFSEA 19
KNK1
D
R Y GB
24 AENG+
V
Skid Control ECU with Act uator
< 15- 5>B
-SET +RES ON- OFF
Cruise Contr ol SW
LG
2 5 24 BCCS NEO
A 17 TRC-
A 31 TRC+
A 25 ENG-
A 30B
26 A 22 A 28 A 27 A 23 A 29 A
VCPA VPA EPA VCP2 VPA2 EPA2 EPA2 VPA2 VCP2 EPA VPA VCPA
231564
BRWL R B G Sk i d Con t ro l ECU
with Actuator
<15- 6>
BV V
(
Shielded)
D O
V
E
15 A
W- BEOM
G
H W- BB
Cruise Control (
2AZ- FE)
29 B 18 B
Multiplex
C ommun i cat i on
System (
BEAN Bus)
<20- 3>
D
E
GELS2
A 12Voltage Inv ert er
< 27- 4>
W- B
GRGR
(
Shielded)
F
A
A
CA NCE L17 IM1 BR
BR
O
BR O
R
1
4
(
*1)
* 1 : w/ Rear Seat Entertainment System
H10A 6 C 7
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
K 1
C16 J16
A27 J 7
C 1
Air Fuel Ratio Sens or
(
Bank 1 Sens or 1)
Ac cel Pos ition Sens or
Ca ms ha f t
Position Sensor
Cr ank shaft
Position SensorCombination SW
Engine Contr ol Module
Heat ed Oxy gen Sens or
(
Bank 1 Sens or 2)
Junct ion
Connect or
Junc tion
Connec tor
Knoc k Sensor
(
Bank 1)
Trans ponder Key Computer
<4- 3>
HT OX
HT AF+ +B E
+B AF-

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
4 HIGHLANDER
FL MAIN
3. 0W
Batt ery 10W 30A AM21 31IC1GR
1C 1L- Y Y
7IG2
ST26 AM2
D. C. C
7. 5A
ECU- B 10A
IGN
1G 62A42I 1
Door Courtesy SW Front LH
<10- 5>
Un lo ck War n i ng SW
<26- 2> B
G4 CTY
10KSW TXCT AGND CODE 12 13 11
WR GR
GND
14W- BV
9D EFI I
V
B
6 EF I OVC5 8
B
5 TXCT VC5
17GND
4 CODE
P1+B
1G 101D 9BR PE E
5IC34K 8
4N 14L7
ICRi g ht Co wl S i de P a nel IG
2
PE
EPW
14E
44M
W- L
WW- L W- B W- B
E ngine Immobilizer S ystem Power Source
W WData Link Connect or 3
<2- 18><3- 14>
14 IF3IND
WR3Theft Deterrent Indicator Light
<19- 3>
7
F 7I15T14
J 6
J17
T 7
Fus ible Link BlockIgnition SW
Junc tion
Connec tor
Junc tion
Connec tor
Tr ans ponder Key Amplif ier
Trans ponder Key Computer
Engine Control Module
<2- 13><3- 9>

2005 HIGHLANDER (EWD592U)
M
34
2 1
9 HIGHLANDER
40A AM1 20A STOP
1C 6
1A 1
1140A ALT
1E 1
1 2
4L 1
4L 34N34A 11 6IA2
5BG2
BE Left Side of Back DoorA6 5 B B1C 7
7. 5A
IG1
BCLeft Side of
Rear Cr oss Member B B6 5C C 20 IM11 2
1G 2
2 2
1 1
BC BR G G W
L
WBWB Y LG BL B
L
BW-B LW-BW- B W- B LW- B W- B
P
Shift Lock ECU
<24- 3>
2
L
Bat tery Skid Control ECU
with Actuator< 15- 7>
Power SourceStop Light Back- Up Light
4M 12BR
Engine Contr ol Module
< 13- 2> < 14- 2> L
FL MAIN
3. 0W4A 6
4I 3
10 IA2
R- B6 1 B
6 1
B B
Left Side of
Re ar Cr oss Membe rBCPW- B
Towing Converter
<22- 4>
2ACC
IG1 AM1 4
IM110
R
R- B
ST 1
L
(
*1)
* 1 : w/ Tr ai l er To wi n g
P
B B
F 7 S1 5
I15P 1
J12J12
Back- Up
Back- Up R 7
R 8
J12
Stop
Stop R 7
R 8
H11
J10
J14
Fus ible Link BlockHigh Mount ed St op Light
I gnit ion SW
Junc tion
Connec tor
Junc tion
Connec tor
Junction
ConnectorJunction
Connec tor
Junction
ConnectorBack- Up Light SW
Rear Combination
Light LH
Rear Combination
Light LH Rear Combination
Light RH
Rear Combination
Light RH
St op Light SW

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
10 HIGHLANDER
Power SourceInterior Light and G arage Door Opener
1A 1140A ALT2B 20A P FR DOOR1
W
W
FL MAIN
3. 0W3 W
(
Cont. next page)
25A D FR DOOR G7. 5A IG1
71C 1C2
7. 5A RAD NO. 2
L
7. 5A
ECU- B
2A 432A D. C. CA
B
C
D
E W
GR
BR
Y
W- L
W- L 2I 1L
2ACC
IG1 AM13
4
Bat tery 1C 6
1K 10 1J6
1K 61D12
12 IK34J 14D 13 4D12
15 IA1
3BG3
1
2
21
D OOROFFON
BE Left Side of
Back DoorA1IE1
1 12
2 1
2 1
6 2
1 2
10A
DOME
8IE1
74L 54D
14N 64M
14 1D41E5IE1
24F 54J 4H 1
IC Right Cowl Side Panel
IALeft Cowl Side Panel 12
G
H
RR R B W O B B
W W W Y YG
G
RG
W- B W-B W-B W-B W-BW- B BR
GR
Y
VW- B BRW
BR
R W- B W- B 40A
AM1
R
W
WW
(
*2)
(
*1)
W- B
W- B 2
1
Opener SW
21D OOROFFON(
*2)
(
*1)
BC Left Side of
Re ar Cr oss Membe rA
BG11
W- B W- B4H 6
V
GND+B1
7 CT Y
R
R
R
ST 1
3
W- B
W- B
3
W- B
W- B W- B
W
* 2 : w/ o Engine I mmobiliz er Sy st em * 1 : w/ Engine Immobilizer System
11 4D
F V
J14 F 7I15
R11
D 4
R1 2
O 5 V10 V 9I14
I16Ignition Key
Cylinder
Illumination T 7
Diode
(
Rear Interior Light)
Fusible Link Block
Ignit ion Key Cy linder
Illumination
I gnit ion SW
Interior Light
Junct ion
Connect or
Over head J /B
Rear Interior Light
Rear Interior Light SW
Transponder Key Amplifier
Garage Door Opener
Vanity Light LH
Vanity Light RH

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
13 HIGHLANDER(
Cont. next page)
2ACC
IG1
IG2
ST2 AM1 4
6 7AM2
40A AM1
1C 6
1A 12
1
2140A ALT1W 30A AM2
10 3
FL MAIN
3. 0W
Batt ery 1IC12I 12 1
3 5
2F 42B4 2B 52B7
20A EFI NO. 1EF 1 Rel ay
1C 1
1G 6
10A IGN
1C 7
7. 5A IG1
1G 2
4E 14M 4
W
11 IK2 10 IK2
EH Under the Left
HeadlightA
B- W
W
2A
+B2
A3A
BATT
BR
W
19 B
STP
BRP R
10 I M1
R G
GR G
GR
WYW
L- Y
B W- B
P- LW- B B
10 D
L- W13 D
Y- R12 D
Y- B11 D
Y- G15 D
L- Y14 D
L- R19 D
R- B18 D
B- W32 D
G- Y
3 2 810 512 613 128 E
BR
A7D
W- BED 1C
BR
6D
W- B7C
W- B
EC 6EW- B7E
W- B
W- B W- B
6 197382
PL RL NL DL 2L LLL- Y R- B Y- R L- W
6A
V
11 B
L
7A
GR
10 B
Y
20 B
P
9B
G
Power Source Electronically Controlled Transmission and A/T Indicator (
3M Z- FE)
8MREL S4 SLT+ SLT- DSL SL2+ SL2- SL1+ SL1- THO1 E2 E04E1 E0 5 E0 3 E0 2 E0 1 P RND3 2 IK3 13
B St op Light SW
<9- 2>
7
Y G GRSB LG BRWB O O
E E
9A
IGSWP
9IM1 IM120 19 IM1 IM1818IM1IM17
G Y- G
V
B
BC
GRCB
GB
G
B
17 D
G- B16 D
G- R
411 SL 3+ SL3 -4K 54A 6
L
GR
4K 13Navigation ECU
<30- 8>
P
ST1RA B
B G
10A HEATER
1K 13
B
RB
S4 SLT+ SLT- DSL SL2+ SL2- SL1+ SL1- THO E2 SL3+ SL3-
RL
9D
L- B9SRV
SR5A 5B
BR
1A
+B
W
W
Left Side of
Cylinder Head4C
W- BME01
Rear Side of
Cylinder Block A* 1 : w/ Navigation System
(
*1)
BR I15
F 7 J 6
P 1
J 6 J 6 J17
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
J 7
S28(
A)
, S29(
B)
E 1
J 2
Electronically Controlled Transmission SolenoidEngine Cont rol Module
Fusible Link Block
Ignition SW
Junc tion
Connec tor Junc tion
Connec tor Junction
Connector
Junction
Connector
Junction
Connector
Junction
Connector
A/T I ndicat or SW
Shor t
Connec torW- B

2005 HIGHLANDER (EWD592U)
M
5
678
13 HIGHLANDER (
Cont' d)
16 A
GR
8B
IBRight Ins trument Panel
Brace
W- B
27D 35D 26D 34D 17B 29B
Electronically Controlled Transmission and A/T Indicator (
3M Z- FE)
OD MS L NT+ NT- NC+ NC- SPD MPX2
2IF36B 15A
WMPX1 SNOW
3F 13
6 2
L
4
3 2
WR
R- W W- G
AB
3H 8
W- B
R
8IF3
R1 5BR
IF312
G
P ECT SNOW
O/D OFF
L
2
3
D
N
R
BG
3A 4
3C 7
P BR
MPX1
18 B
Y
3D 8
W- B3B 12
A/T OIL TEMP.
3K 2BR11 1
Engine Contr ol Sys tem
<2- 16>
21 E 18 E 19 EVTA1 VC THW
Engine Contr ol Sys tem
<2- 9><2- 10>31 EVTA2
2CM-
3CM+
Multiplex Communication
System (
BEAN BUS)
<20- 3>
2 1 1
C 6
T 3T16
E 5(
A)
, E 6(
B)
, E 7(
C)
, E 8(
D)
, E 9(
C)
B 9(
A)
, B10(
B)C11
Bo dy ECU
Counter Gear Speed Sensor
Combination Meter
Electronically Controlled
Tr ansmiss ion Pattern
Select SW Engine Cont rol Module
Turbine Speed Sens orTransmiss ion Contr ol
SW
Transmiss ion Shift
Main SW
E 4
W- B

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
14 HIGHLANDER(
Cont. next page)
2ACC
IG1
IG2
ST2 AM1 4
6 7AM2
40A AM1
1C 6
1A 12
1
2140A ALT1W 30A AM2
10 3
FL MAIN
3. 0W
Batt ery 1IC12I 12 1
3 5
2F 42B4 2B 52B7
20A EFI NO. 1EF 1 Rel ay
1C 1
1G 6
10A IGN
1C 7
7. 5A IG1
1G 2
4E 14M 4
W
11 IK2 10 IK2
EH Under t he Lef t
HeadlightA
B- W
W
1A
+B
A3A
BATT
BR
W
19 B
ST P
BR
9A
IGSW
P RR G
G
GR
WYW
L- Y
B W- B
P- LW- B B
11 D
L13 D
Y- R12 D
B- Y
9D
Y- G19 D
R- B18 D
B- W15 D
L- Y14 D
L- R32 D
G- Y
827351049128 E 6 E
W- B
EF Left Side of
Cy linder Block4CW- B
EEIntake Side of
Cy linder Block 7DW- B7C
W- B
4K 54A 6 6197382
PL RL NL DL 2L LL
C
C
L- Y R- B Y- R L- W
6A
V
11B 7A 10B 9B
P
8B
R
R
Power Source Electronically Controlled Transmission and A/T Indicator (
2AZ- FE)
8MREL S4 SLT+ SLT- DSL SL1+ SL1- SL2+ SL2- THO E2 E02 ME01 E04 E03PRND2L IK3 13
B
19 IM1 20 I M1 9IM1LY
B
B
GR GR
VL
Stop Light SW
<9- 2>
21 E 18 E 19 EVT A1
VC THW
Engine Contr ol Syst em
<3- 7> 10 IM1
6
R O G G WB Y BRO O
E EP G Y- G
7IM1 18 IM1 IM1 8 ST1
10 A HEAT ER
1K 13A BB
RB
S4 SLT+ SLT- DSL SL1+ SL1- SL2+ SL2- THO E2
BR
5B
5A
BR
2A
+B2
W W
1C
BRE1
A ABR
J 7
7EE01
W- B
W- B
31 EVTA2
2CM-
3CM+ I15
J 6
P 1
J 6
J 6
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
J 7
S2 8(
A)
, S29(
B)
E10 J 2 F 7Engine Control Module
Electronically Controlled Transmission Solenoid Fusible Link BlockIgnition SW
Junction
Connec tor
J unc tion
Connec tor J unc tion
Connec tor
J unc tion
Connec torJunction
Connector
A/T Indicator SW
Sh or t
Connect or

2005 HIGHLANDER (EWD592U)
M
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678
14 HIGHLANDER (
Cont' d)
16 A
GR
18 B 27 D 35 D 26 D 34 D 17 B
Electronically Controlled Transmission and A/T Indicator (
2AZ- FE)
OD MS MPX1NT+ NT- NC+ NC- SPD
IF3 6B 15A
WMPX1 SNOW6 2
L
4
3
WY
R- W W- G
MPX2 29 B
IBRight Instrument Panel
Br ace
BR3K 2
W- B
ECT SNOW
R N DL O/ D OF F3D 8
P3A 4
3C 7B
W- B
R
3H 83B 12 AB
Y
2
PA/ T OI L T EMP
11 1
3F 13
W- B
W- BW- B 2 1
2 1
Engine Cont rol Sy stem
<3- 6> Multiplex Communication
Sy st em (
BEAN Bus)
<20- 3>2
C 6
T 3
C1 1
E 5(
A)
, E 6(
B)
, E 7(
E)
, E 8(
D)
, E 9(
C)
B 9(
A)
, B10(
B)
T1 6
Body ECU
Counter Gear Speed
Sensor
Combination Meter
Electronically Controlled
Tr ans miss ion Pat ter n
Select SW
Engine Contr ol Module
Turbine Speed Sens orTr ansmiss ion Contr ol
SW
E 4

2005 HIGHLANDER (EWD592U)
M
78
6 5
(
Cont. next page)
15 HIGHLANDER (
Cont' d)
A
B
C
P- B W- L24 42 13
GR- BD/ G TS WFS EData Link Connector 3
<2- 17><2- 18><3- 12><3- 14>
BR- R12SP1
LG- B44BRL
R- L29WA
L- Y36VSCW 27
G- YSTPStop Light SW
<9- 2>
B
11CA NH
W25CA NL P
V
L
V S C and Tire Pressure W arning S ystem
15IC4 16IC4 4IC4 5IC2 10
NE O 3IC4
V B
VW-L
IC4 5
ENG+923
ENG- 18 IC4
W- G RYG-B
IC4 7
TRC+822
TRC- 19 IC4
Y- B G
Engine Contr ol Module
<2- 14><3- 9><3- 10>
EHUnder the
Left Headlight1 2
W- B32GND1
W- B
W- B W- B G- W
GND2
17 FSW+ DP
21 IC4 8 IC4 9 IC4
BRWVBRSB SBV
CSW
43L- R B- Y
41INIT
17 I C4 2 IC4
4
11
2
3J 44J6
3F 13
IBRight Ins trument
Panel Br ace
W SB
W- B W- B
W- B
WV
SB
SB
BR
LA
B
C
D
F
G
H
I
J
K P
PL V
22 IC4
B
13 IF3
W
4J 7 3G 9
4N 14L7 4D 4
ICRight Cowl
Side Panel
W- B
W- B W- B
17 IL1
W- B 1 34J
LG
94M
B R- WPKB
28
11 IC4
13 I C4 12 IC4
W
L
EBRight Front
Fender Apr onEARight Fr ont
Fender Apron A
W- B 6IC4
P
B
EE B
34H
12 4H
Body ECU
<5- 4>Mult i- Display
< 30- 6> RLG (
*1)(
*1)(
*1)(
*1)
* 1 : 2WD
L 4C 3W- B
W- B
J 4
S27
J 4
P22
B13
T 6
P 3 Brake Pedal Load
Sensing SWJunc tion
Connec tor
Parking Brake SW Pressure SW
Skid Contr ol ECU with Act uat or
TRAC Of f SW