TOYOTA HIGHLANDER 2001 Service Repair Manual

'05 HIGHLANDER_U (L/O 0409)
263
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
1. Remove the clip with a Phillips- head
screwdriver.2. Open the glove box and push each
side of the glove box to disconnect
the claws.3. Pull the filter cover toward you and
remove it.
4. Remove the filter case toward you.

'05 HIGHLANDER_U (L/O 0409)
264
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
5. Remove the filter from the filter
case.
6. Inspect the filter on the surface.
If it is dirty, it should be replaced.
When installing the filter and filter
case, keep the arrow pointing up.
INFORMATION
The air filter should be installed prop-
erly in position. The use of air condi-
tioning with the air filter removed
may cause deteriorated dustproof per-
formance and then affect air condi-
tioning performance.

2005 HIGHLANDER (EWD592U)
11 8
Headlight with Daytime Running Light
40A MAIN
2
1 4
2 32B 1
2F 22F57. 5A
DRL
3 2 13
1 2
23 15
4 33
33
E11 E12
H 1
R- B
P
L- W
P
R R- W
W- B
R- LL- WHEAD LAMP
Relay
10A H- LP
RH UPR 10A H- LP
LH UPR
DRL NO. 3
Relay
52 1333
33
E11 2 1
W- B W- BR- L
L- W H 3
DRL NO. 4
Relay
R- W
3
W- B
W- B
EB
W- B
B
L- Y
R- WB
W- B 2G 4
R- B
1
E10
R- W
Fr om Power Source System (
See Page 62)
Headlight LH
(
High Beam)
Headlight RH
(
High Beam)

2005 HIGHLANDER (EWD592U)
11 9
IF3 7
9IF3
B G BR
1 1
222
1 2
R- Y
B
2 2
15A H- LP
LH LWR
R- B
P
B 16
A 19IC3 7
1 2
EG A
H 2R- W W- B
EA AE10
B
H 4 J 1
W- B
J 3
B
L- R
52 3133
33 E10
IA
W- B
16 7813
OFF
Tail
Head
Low
High
Flash
Light
Control SW Dimmer SW
13 4A64F 4N2 B 14HU
B 15HF
B 17HEAD C 3
HRLYC 2
DRL
Y
O
LGR
BR- B
R- B
C13DRL NO. 2
Relay
D 14
R
P 3
PKB
4H 3
4M 9
B
IK3 4
P
IK3 16
WR- B
B
1
15A H- LP
RH LWR
7. 5A IG1
1K 10 1J62A4
7. 5A
RAD NO. 2
7. 5A ECU- B BR
53B 10 3A
GR
IG 5A
B
63C 83A
W
ACC 17 A
G
61H 10 1G
BR
BECU 9D 5IC3
W- L W- B
13 3F33BGN D2
W- B
2A
IBGND1
W- B
7D
4H 11
4N 14L7
IC
W- B
W- B
E 4
R- Y
R- Y
12 4H
LG
Y
Y
16
M 3
PKBIF3 4 From Power Sour ce System (
See Page 62)
B 9(
A)
, B10(
B)
,
B11(
C)
, B12(
D)
C11(
A)
, C12(
B)
Beam
Body ECU
Combination Meter
Combination SW
Headlight LH
(
Low Beam)
Headlight RH
(
Low Beam) Junction
Connector
Junction
Connector
Multi- Display Par king
Brake SW

2005 HIGHLANDER (EWD592U)
120
Headlight with Daytime Running Light
1. Daytime Running Light Operation
The headlight is turned on when all the following conditions are satisfied
*When the ignition switch is ON position
*When the generator is generating electricity
*When the light control SW is OFF position
*When the parking brake SW is OFF position
2. Headlight Operation
*The headlight comes on at the LOW position when the dimmer SW is turned to the low beam position with the light control
SW being HEAD position.
*If the dimmer SW is turned to the HIGH position with the light control SW being HEAD position, the headlight comes on at
the high beam position. Moreover, the high beam indicator light appears on the combination meter.
*Regardless of the light control SW positions, the headlight comes on at the low beam position when the dimmer SW is
turned to FLASH position. Moreover, the high beam indicator light appears on the combination meter.
B9 (A), B10 (B), B12 (D) Body ECU
(D) 7-Ground : Always continuity
(D)14-Ground : Continuity with parking brake pedal depressed
(B)17-Ground : Continuity with the light control SW at HEAD position
(A) 2-Ground : Always continuity
(A) 5-Ground : Approx. 12 volts with the ignition SW at ON position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B9A42H138 (3MZ-FE)H440 (2AZ-FE)
B10B42H140 (2AZ-FE)J139 (3MZ-FE)
B11C42H238 (3MZ-FE)J141 (2AZ-FE)
B12D42H240 (2AZ-FE)J339 (3MZ-FE)
C11A42H338 (3MZ-FE)J341 (2AZ-FE)
C12B42H340 (2AZ-FE)M343
C1342H438 (3MZ-FE)P343
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
222Engine Room R/B (Engine Compartment Left)
323Engine Room R/B No.3 (Engine Compartment Rear Left)
System Outline
Service Hints

2005 HIGHLANDER (EWD592U)
121
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1G29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1H29Cowl 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)
2A
2B27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)2F27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2G
3A
3B30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3C30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3F
4A
4F33
4HCowl Wire and Passenger Side J/B (Right Side of Grove Box)4LCowl Wire and Passenger Side J/B (Right Side of Grove Box)
4M32
4N
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IC352Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)
IF352Instrument Panel Wire and Cowl Wire (Right Side of Instrument Panel J/B)
IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
: GROUND POINTS
CodeSee PageGround Points Location
EA48 (3MZ-FE)EA50 (2AZ-FE)Right Front Fender Apron
EB48 (3MZ-FE)Right Front Fender Apron
EB50 (2AZ-FE)
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
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E448 (3MZ-FE)E1148 (3MZ-FE)E450 (2AZ-FE)Engine Room Main Wire
E1150 (2AZ-FE)Engine Room Main Wire
E1048 (3MZ-FE)Engine Room Main Wire
E1248 (3MZ-FE)Engine Room Main Wire
E1050 (2AZ-FE)E1250 (2AZ-FE)

2005 HIGHLANDER (EWD592U)
122
Headlight without Daytime Running Light
40A
MAIN
23 14
10A
H- LP
RH UPR10A
H- LP
LH UPR
2F 5 2F 2 2G1
2B1
15A H- LP
RH LWR
2 22
2 2 11
E 4
1 2
EA AA1 2IC3 7
IF3 7
16 B
A 191 2
1 2
H 3 H 1 H 4 H 2
IC2 17 IK310
4I 1
4N 24F 6
4A 13
I 3
IF3 9C 3
B 14IK3 4 L- R
R- Y
R- Y R- W
R
L- Y
RL-R B
R- W
R- WR- Y
G
Y
O
Y Y
W BRW- B
W- B
WYY Y HEAD LAMP
Relay
J 32
R- B
HRLY
HU
15A H- LP
LH LWR
From Power Source System (
See Page 62)
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D) C11(
A)
, C12(
B)
High
Beam
Body ECU Combination Meter
Headlight LH
(
High Beam) Headlight LH
(
Low Beam)
Headlight RH
(
High Beam) Headlight RH
(
Low Beam)
Junction
Connector

2005 HIGHLANDER (EWD592U)
123
C13
Dimmer SWLight
Control SWFlashHighLow HeadTail OFF13 8 7
16 7. 5A
RAD
NO. 2
1J 67. 5A
IG1
1K 107. 5A
ECU- B
2A 4
A 17 A5D91G 10
1H 6 3A 10
3B 5 3A 8
3C 6IC3 5
IA B 17 B 15HF HEAD
YY
O
LG
W- BW- L BRGRW B
BR
G
ACC IG BECUFrom Power Source System (
See Page 62)
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
Body ECU
Combination SW

2005 HIGHLANDER (EWD592U)
124
Headlight without Daytime Running Light
HEAD LAMP Relay
1-2 : Closed with the light control SW at HEAD position or dimmer SW at FLASH position
C13 Combination SW
13-16 : Closed with the light control SW at HEAD position
8-16 : Closed with the dimmer SW at FLASH position
7-16 : Closed with the dimmer SW at HIGH or FLASH position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B9A42C1342H340 (2AZ-FE)
B10B42H138 (3MZ-FE)H438 (3MZ-FE)
B11C42H140 (2AZ-FE)H440 (2AZ-FE)
B12D42H238 (3MZ-FE)J339 (3MZ-FE)
C11A42H240 (2AZ-FE)J341 (2AZ-FE)
C12B42H338 (3MZ-FE)
: 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)
1G29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1H29Cowl 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)
2A
2B27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)2F27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2G
3A
3B30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3C
()
4A334F33
Cowl Wire and Passenger Side J/B (Right Side of Grove Box)4I32
Cowl Wire and Passenger Side J/B (Right Side of Grove Box)
4N32
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IC252Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)IC352Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)
IF352Instrument Panel Wire and Cowl Wire (Right Side of Instrument Panel J/B)
IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
: GROUND POINTS
CodeSee PageGround Points Location
EA48 (3MZ-FE)Right Front Fender ApronEA50 (2AZ-FE)Right Front Fender Apron
IA52Left Cowl Side Panel
Service Hints

2005 HIGHLANDER (EWD592U)
125
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E448 (3MZ-FE)Engine Room Main WireI354Cowl WireE450 (2AZ-FE)Engine Room Main Wire