TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
126
Front Fog Light
20A
FR FOG10A
TAI L
52 31
EG A1 2E15
EA A1 21B 71J2
A 6D9
OFF
ON
Low
High
Flash
Fog
Light
SW Dimmer
SW
10 17 1611
IAC13
J 1 J 3L
R- W
V R- W R- W W- B
W- B
W- B
FFGO BECU FOG LIGHT
Relay
F 2 F 1R- W
OFF
Tail
Head
Light
Control
SW
13B 17 B 10
LG BR
A 5
IG7. 5A
ECU- B 7. 5A
IG1
1K 10 2A4
IC3 5
1G 10
1H 6
W- L BR G
3A 10
3B 5
BR GR
FFOG HEAD Fr om Power Source System (
See Page 62)B 9(
A)
, B10(
B)
, B12(
D)
Body ECU
Combination SW Front Fog Light
LHFront Fog Light
RH
Junction
Connector Junction
Connector

2005 HIGHLANDER (EWD592U)
127
FOG LIGHT Relay
3-5 : Closed with the light control SW at HEAD position, dimmer SW at LOW position and fog light SW on
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B9A42F138 (3MZ-FE)J139 (3MZ-FE)
B10B42F140 (2AZ-FE)J141 (2AZ-FE)
B12D42F238 (3MZ-FE)J339 (3MZ-FE)
C1342F240 (2AZ-FE)J341 (2AZ-FE)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1B29Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel)
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)
2A27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
3A30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3B30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
: 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)
: GROUND POINTS
CodeSee PageGround Points Location
EA48 (3MZ-FE)Right Front Fender ApronEA50 (2AZ-FE)Right Front Fender Apron
EG48 (3MZ-FE)Under the Left HeadlightEG50 (2AZ-FE)Under the Left Headlight
IA52Left Cowl Side Panel
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E1548 (3MZ-FE)Engine Room Main WireE1550 (2AZ-FE)Engine Room Main Wire
Service Hints

2005 HIGHLANDER (EWD592U)
128
Taillight
23 15
10A
TAI L TAI LL IGHT
Relay
1J 41B4 1A 11B 11 1H4
A 7
B 18TRL Y
TAI L
SB
OFF
Tail
Head14
V
16
IA
140A ALT
2
1
F 7 W
IA1 8
W
E E
BR
6 4
EG A
EA AF 3
F 4
E
BR
6 4
W- B
W- B
W- B
W- B W- B
2 1R15
W- B1 2R14
W- B
E
B
B
B W- B
BC
W- B
2 1BG2 2E
BR W
BE A
W- BB
C13
FL MAI N
3. 0W
BatteryBR J 1
J 3
J14BR BR
L 1 J13
Light
Control SW
G
G
B 9E
J12B
W- B
W- B
B 9(
A)
, B10(
B)
Tail TailBody ECU
Combination SW
Front Parking Light LH
Front Parking Light RH Fusible Link Block
Junction
Connector
Junction
Connector
Junction
ConnectorJunction Connector
Junction
Connector
License Plate
Light
Rear Side Marker Light LH
Rear Side Marker Light RH
Rear Combination Light RH R 8 Rear Combination Light LH R 72 21 1

2005 HIGHLANDER (EWD592U)
129
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
B9A42F738 (3MZ-FE)J1344
B10B42F740 (2AZ-FE)J1444
C1342J139 (3MZ-FE)L144
F338 (3MZ-FE)J141 (2AZ-FE)R745F340 (2AZ-FE)J339 (3MZ-FE)R845
F438 (3MZ-FE)J341 (2AZ-FE)R1445F440 (2AZ-FE)J1244R1545
: 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)1B29Engine Room Main 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)
: 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)
BG256Back Door No.1 Wire and Floor No.2 Wire (Rear Left of the Roof)
: GROUND POINTS
CodeSee PageGround Points Location
EA48 (3MZ-FE)Right Front Fender ApronEA50 (2AZ-FE)Right Front Fender Apron
EG48 (3MZ-FE)Under the Left HeadlightEG50 (2AZ-FE)Under the Left Headlight
IA52Left Cowl Side Panel
BC56Left Side of Rear Cross Member
BE56Left Side of Back Door
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
B956Floor No.2 Wire
Service Hints

2005 HIGHLANDER (EWD592U)
130
Turn Signal and Hazard Warning Light
* 1 : w/ Navigation System
7. 5A
IG1
1E 815A
HAZARD
2B 2
IC2 8
4C 10
4C 9 4C 8 4A 4
11 14
6 2 A A
B B
BC EG A15 IA2 1IF319 IF27 IC3 34E 8
4M 13
IB 3B 12
3F 133G 974E
6 2IA2 34A 9
EA AIK2 17
R 8
F 4 J1 2
J 3 J 1
LH
RH
4G 10 4C4
4M 6 4D 4
IL1 17
1E 4
1D 14
IAIL2 20
3B 9
3E 4 3B 8
8 19
Hazard
SW
A10 B 9 32 56 7 814
B
G- W LG
T 8
J20Y Y
F HAZ IG B
EL ER E HAZ LL LR
R
L
W
G
W- B
O
13
G
W
P
R
B G- B
L
GR
G
G- Y W- B
W- B
R
W- B W- B
LG W- B
W- B
W- B
W- B
L
R
W
W- B
W- B W- B
D DJ20 G
C11
R
(
*1)Turn L H
Turn RH
8
HAZ
Hazar d
SW
M 3
(
*2)
* 2 : w/o Navigation System
Tu rn SW
B
3K 2
W- B
BR
From Power Source System (
See Page 62)
Turn Turn
2
C13
A/C Control
Assembly Body ECU Combination MeterCombination SW
Front Turn Signal Light RH Junction
Connector
Junction
ConnectorJu nctio n
Connector
Junction
Connector Junction
Connector
Multi-
Display
Rear Combination Light RH
Turn Signal Flasher
Front Turn Signal Light LH F 3
Rear Combination Light LH R 72 23 3

2005 HIGHLANDER (EWD592U)
131
T8 Turn Signal Flasher
4-Ground : Always approx. 12 volts
7-Ground : Always continuity
1-Ground : Approx. 12 volts with the ignition SW at ON position
5-Ground : Continuity with the ignition SW at ON position and the turn signal SW at LEFT position
6-Ground : Continuity with the ignition SW at ON position and the turn signal SW at RIGHT position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A1042F438 (3MZ-FE)J1244
B942F440 (2AZ-FE)J2043
C1142J139 (3MZ-FE)M343
C1342J141 (2AZ-FE)R745
F338 (3MZ-FE)J339 (3MZ-FE)R845F340 (2AZ-FE)J341 (2AZ-FE)T843
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1D29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1E29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
2B27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
3B
3E30
3FInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3G31
()
3K31
4A
4C
4D33Cowl Wire and Passenger Side J/B (Right Side of Grove Box)4ECowl Wire and Passenger Side J/B (Right Side of Grove Box)
4G
4M32
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IA252Cowl Wire and Floor No.2 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)
IF252Instrument 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)
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)
: GROUND POINTS
CodeSee PageGround Points Location
EA48 (3MZ-FE)Right Front Fender ApronEA50 (2AZ-FE)Right Front Fender Apron
EG48 (3MZ-FE)Under the Left HeadlightEG50 (2AZ-FE)Under the Left Headlight
IA52Left Cowl Side Panel
IB52Right Instrument Panel Brace
BC56Left Side of Rear Cross Member
Service Hints

2005 HIGHLANDER (EWD592U)
132
Stop Light
20A
STOP
1E 1
1 2
4L 14L 3
IA2 6
B BS15
6 5
6 5 BG2 5
2 1
BC BE AB B BB
J14H11R 7 R 8 J10
Y B G L B
L
L W- B
W- B W- BW- B
LL
J12
BW-B From Power Source System (
See Page 62)
Stop Stop
High Mounted
Stop LightJunction
Connector
Junction
Connector
Junction
ConnectorRear Combination
Light LHRear Combination
Light RH Stop Light SW

2005 HIGHLANDER (EWD592U)
133
S15 Stop Light SW
2-1 : Closed with the brake pedal depressed
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
H1144J1444S1543
J1044R745
J1244R845
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1E29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
4L32Cowl 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)
IA252Cowl Wire and Floor No.2 Wire (Left Kick Panel)
BG256Back Door No.1 Wire and Floor No.2 Wire (Rear Left of the Roof)
: GROUND POINTS
CodeSee PageGround Points Location
BC56Left Side of Rear Cross Member
BE56Left Side of Back Door
Service Hints

2005 HIGHLANDER (EWD592U)
134
Back-Up Light
7. 5A
IG1
1G 2
1 2
IM1 20
4I 34A 6
IA2 10
C C
BC 6 1
6 1
B B
R R- B
IM1 10
R
P 1
L R- B P P W- B
W- B W- B P
C
J12
B From Power Source System (
See Page 62)
J12
Back- Up Back- UpJunction
Connector
Junction
Connector Back- Up Light SW
Rear Combination
Light RH R 8
Rear Combination
Light LH R 7

2005 HIGHLANDER (EWD592U)
135
P1 Back-Up Light SW
2-1 : Closed with the shift lever in R position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
J1244P141 (2AZ-FE)R845
P139 (3MZ-FE)R745
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1G29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
4A33Cowl Wire and Passenger Side J/B (Right Side of Grove Box)4I32Cowl 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)
IA252Cowl Wire and Floor No.2 Wire (Left Kick Panel)
IM154Engine Wire and Cowl Wire (Right Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
BC56Left Side of Rear Cross Member
Service Hints