TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
136
Interior Light
10A
DOME
2A 3
IK3 12
4H 6
4J 14D13 4D12
BE A1 2B 6 21
OFF
ON DOOR
IA1 15
R V B O
BG3 3
W- B R R
2 1
W B
IE1 1
B 1
2 1
IC 4L 74N1 4D 5IE1 8B 1
B 1
W- B W- B W- B W- B
W- B
W W W- B
1D 141E 4
IA2 1
112
21
OFF
ON DOOR V10
V 9 O 5
I16
6 2
T 71 2I14
B 1 B 1
IE1 5
4F 24J 5 4H 1
B W W
W
Y
B YY
W(
*2)
(
*1)
(
*1)
W
Y
(
*2) D 4
R11
R W- B
G
G GW- B
W- B
W- B
R
BR
BR
RW- B
* 1 : w/ Engine Immobilizer System
* 2 : w/o Engine Immobilizer System
(
*1)
(
*2)
GN D CTY+B1
B 1
R
7
R
3
R12 J14
W- B
W
3 4D 11
V
IL2 11LG LG LG* 3 : w/ Navigation System
* 4 : w/o Navigation System
4M 6
W- B
4H 11
W- B
W- B
From Power Source System (
See Page 62)
Ignition Key
Cylinder
IlluminationDiode
(
Rear Interior Light)
Ignition Key Cylinder
Illumination Interior Light Junction
Connector
Overhead J/B Rear Interior Light Rear Interi or
Light SW
Tr ansponder Key Amplifier Vani ty Light LH Vani ty Light RH

2005 HIGHLANDER (EWD592U)
137
BR
R
Door
LG
MPX- 9
V GR Y
2B A IB2 8
IB2 1
IF3 5
O
7
8 MPX1
MPX2
P 5
MPX+
G V
4
11MPD1
MPD2
G 5SB
74F 54A
(
*3) (
*3)
G
(
*4)
G
SBY
13E 12 3J G
IB 21 A 9 B A12 A2 A
5V 1
R
11 A
3B 12
3K 2
LG V
33D 93F
LGPB
73C
43A 13 1K 10A
HEATER
BR
7V
BR
R
IL2 121B 2B 2A 1A
BR BR
MPX1
24 22MPX2 A17LG
SB
O
BR
R
W- BW- B
W- B From Power Source System (
See Page 62)
S30(
A)
, S31(
B)
C11(
A)
, C12(
B)
A10(
A)
, A11(
B)
A/C Control Assembly Airbag Sensor Assembly
Combination Meter
Gat ew ay EC U Power Window Master SW
with ECU
Shor t Connector

2005 HIGHLANDER (EWD592U)
138
Interior Light
20A
P FR
DOOR
1K 625A
D FR
DOOR
1D 127. 5A
RA D
NO. 2
1J 67. 5A
IG1
1K 10 7. 5A
ECU- B
2A 4
C 19 D12 A17 A5 D 91H 61G 10
3B 53A 10
3C 63A 8 IC3 5IL18
IB1 3IN13
2 1
2 1
IB2 10 IN210
Y V G O L
G O Y
D 11
1 IA1 4IO217
1B B
11 BG3 4C 6C11 D16 D15
D10 D 9 D 8 D 7
J1 3BR
B
BRGBR
W
GRW- L
D 5
D 6
ACC IG BECU
G
B
SB BR
LG W W
GB
VGR R
ILE BCTY DCTY PCTY RCTY
BH1 6 W B PCYL DCYL
IA1 14 IA1 9 1K 1
LG
6B
W
MPX1
E 6MPX1
18MPX2 29
GR
IL2 1
SB
A 10
O
MPX2
R BRO SB LG
GN D1
W- B
7D A2
W- B
GND2
W- B3B 3
3F 13
W- B
W- B
From Power Source System (
See Page 62)
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
Body ECU
Door Courtesy Light
Front LH
Door Courtesy Light
Front RH Door Courtesy SW
Fro nt LH
Door Courtesy SW
Fro nt RH
Door Courtesy SW
Rear LH
Door Courtesy SW
Rear RHEngine Control Module
Ju nctio n
Connector

2005 HIGHLANDER (EWD592U)
139
Illuminated Entry System
This system provides various functions listed below through communication control of the body ECU etc.
*Each relevant light lights up if any door is opened.
*If all the doors are closed with the ignition SW set at OFF after any door is opened, each light lights up for 15 sec., and
then fades out when the time set on the timer has elapsed.
*If any door is unlocked from the driver or passenger side or if any door is unlocked with the unlock SW on the transmitter
after all the doors are closed and locked, each light lights up for 15 sec., and then fades out when the time set on the timer
has elapsed.
*If the ignition SW is turned to the ACC or ON position while each light is being lit by the timer, the timer lighting is cancelled
and the light fades out.
*If all the doors are closed with the ignition SW set at ACC or ON after any door is opened, the timer lighting is cancelled
and the light fades out.
*Each light above is the interior light, ignition key cylinder light, and door courtesy lights.
D7, D8, D9, D10 Door Courtesy SW Front LH, RH, Rear LH, RH
1-Ground : Closed with the door open
R12 Rear Interior Light SW
1-2 : Closed with the back door open
B9 (A), B12 (D) Body ECU
(D) 9-Ground : Always approx. 12 volts
(A) 5-Ground : Approx. 12 volts with the ignition SW at ON position
(A)17-Ground : Approx. 12 volts with the ignition SW at ACC or ON position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A10A42D644O544
A11B42D744P544
A1742D844R1145
B9A42D944R1245
B10B42D1044S30A43
B11C42E642S31B43
B12D42G543T743
C11A42I1443V945
C12B42I1644V1045
D444J1344
D544J1444
System Outline
Service Hints

2005 HIGHLANDER (EWD592U)
140
Interior Light
: 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
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
3J313K31
4A
4D334F33
4HCowl Wire and Passenger Side J/B (Right Side of Grove Box)4JCowl Wire and Passenger Side J/B (Right Side of Grove Box)
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)
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)
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)
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)
: GROUND POINTS
CodeSee PageGround Points Location
IA52Left Cowl Side Panel
IB52Right Instrument Panel Brace
IC52Right Cowl Side Panel
BE56Left Side of Back Door
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
B156Roof WireB656Back Door No.1 Wire

2005 HIGHLANDER (EWD592U)
141
MEMO

2005 HIGHLANDER (EWD592U)
142
Illumination
23 15
7. 5A PANEL
1J 4 1A 1
A 7
B 18
OFF
Tail
Head
Light
Control SW
IA3A 12 3A11
2 1
3A 7
L G
13J
21 15
3D 7
V Y
83G
1 2
3G 1
R W
TAI LL IGHT
Relay
SB B
TRL Y
TAI L
W
V140A ALT
2
1
F 7
Battery14
16
W- B
OA22
A10
C10
* 1 : 6 Speaker
* 2 : 8 Speaker FL MAI N
3. 0W13F
2 1
3E 8
L GR
M 2
3J 2
IR1 7
9 10
R26
A
A
BF
W- B
BB
W- B
B V W- B
C13A
J19
(
*4) (
*4)
* 3 : w/ Navigation System
* 4 : w/o Navigation System 1D 6
IL2 5101
W- R W L GR
6
B
GMD
R23
C16
(
*5) (
*5) (
*5) (
*5) (
*5)
* 5 : w/ Rear Heater System
* 6 : w/o Rear Heater System 1K 7
(
*2) (
*2)(
*2) B 9(
A)
, B10(
B)
A/C Control Assembly Ashtray Illumination Body ECU
Cigarette Lighter Illumination
Combination SW
Combination SWFusible Link Block
Junction
Connector
Main SW
Radio and Player
Rear Heater Blower SW

2005 HIGHLANDER (EWD592U)
143
13H
3H 4
W G
RL
63D5
63D 4 93K
2 1
3F 2
L B
122
2 1
3H 10
3F 13 3E103I 8 3H 2
3G 2
IB
G
(
*1)
G
(
*2) W
(
*1)
W
(
*2)B W- B W- B
G 4
B 10
A 5
E 4 S 3
R 4
83K
2 1
3K 1
L B
3J 8
S 41 2R24
I 2BG
33F3I 433I
G
3F 4
BRY
20 19M 3 BR
53F
W- B
(
*3) (
*3) (
*3)
(
*3)
2
B
W- B 7 3T1 6
(
*6) (
*6)
(
*6)(
*6)
(
*5) (
*5)
R 2(
A)
, R 3(
B) Electronically Contr olled Transmissi on
Pattern Select SW
Glove Box Light
Multi- Display Radi o and Player
Radi o and Player Rear Heater Main SW Seat Heater SW LH
Seat Heater SW RH Indicator Light Wir e Sub
Assembly
ILL+ HILL+
ILL- HREO

2005 HIGHLANDER (EWD592U)
144
Illumination
IB 5V
R
3B 12
3K 2 11 IL2 IK3 12
V
VR
32A 10A
DOME
11 4D64H
LG V
33D 93F
BRW- B
C11
Rheostat
B
W- BB712
11 22From Power Source System (
See Page 62)
Combination Meter

2005 HIGHLANDER (EWD592U)
145
TAILLIGHT Relay
5-3 : Closed with the light control SW at TAIL or HEAD position
C13 Combination SW
14-16 : Closed with the light control SW at TAIL or HEAD position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A1042E442R3B43
A2242F738 (3MZ-FE)R443
B9A42F740 (2AZ-FE)R2343
B10B42G443R2443
C1042J1944R2645
C1142M243S343
C1342M343S443
C1642R2A43T1643
: 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)
1D29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
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
3B
3D30
3E
3FInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3GInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3H
3I31
3J
3K
4D33Cowl Wire and Passenger Side J/B (Right Side of Grove Box)4H33Cowl Wire and Passenger Side J/B (Right Side of Grove Box)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
IL254Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)
IR154Instrument Panel Wire and Floor Wire (Under the Shift Lever)
: GROUND POINTS
CodeSee PageGround Points Location
IA52Left Cowl Side Panel
IB52Right Instrument Panel Brace
BB56Right Center Pillar
BF56Near the Rear Side Marker Light RH
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
I254Instrument Panel Wire
Service Hints