engine TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
225
R21 Rear Washer Motor
1-Ground : Approx. 12 volts with the ignition SW at ON position
2-Ground : Continuity with the rear wiper and washer SW at WASH 1 or WASH 2 position
R18 Rear Wiper Motor
1-Ground : Approx. 12 volts with the ignition SW at ON position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
C1442R1845R2141 (2AZ-FE)
D1642R2139 (3MZ-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)
1D29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1E29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
4C33Cowl Wire and Passenger Side J/B (Right Side of Grove Box)4M32Cowl 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)
IA152Cowl Wire and Floor No 2 Wire (Left Kick Panel)IA252Cowl Wire and Floor No.2 Wire (Left Kick Panel)
IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
BG256Back Door No 1 Wire and Floor No 2 Wire (Rear Left of the Roof)BG356Back Door No.1 Wire and Floor No.2 Wire (Rear Left of the Roof)
: GROUND POINTS
CodeSee PageGround Points Location
IA52Left Cowl Side Panel
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
I1554Cowl Wire
Service Hints

2005 HIGHLANDER (EWD592U)
228
Key Reminder and Seat Belt Warning
IL2 1
BuzzerGR
MPX2 MPX1
W
18
29
E 6
7V
SB
BR
10A
HEATER
1K 13
3A 4
3C 7
B PLG
3F 9
3D 3
V
23K 12 3BA 11
R
1
5V A 2A 12A B 9 A 21
IB IL2 11
LG
10A
DOME
2A 3
4D 114H 6IK3 12
R V V Y
Driver' s
Seat Belt W LG
YFrom Power Source System (
See Page 62)
C11(
A)
, C12(
B)
Combination Meter
Engine Control
Module

2005 HIGHLANDER (EWD592U)
230
Key Reminder and Seat Belt Warning
: 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)
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
4D
4F33
4GCowl Wire and Passenger Side J/B (Right Side of Grove Box)
4H
g(g )
4L324N32
: 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)
IB252Front Door LH Wire and Cowl Wire (Left Kick 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)
IL254Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)
BL158Floor Wire and Front Seat RH Wire (Under the Front Passenger's Seat)
: GROUND POINTS
CodeSee PageGround Points Location
IB52Right Instrument Panel Brace
IC52Right Cowl Side Panel

2005 HIGHLANDER (EWD592U)
236
Power Seat for Driver's Seat
P15 Power Seat Control SW (Driver's Seat Control)
1-Ground : Always approx. 12 volts
4-Ground : Always continuity
P16 Power Seat Control SW (Driver's Seat Lumbar Support Control)
3-Ground : Always approx. 12 volts
2-Ground : Always continuity
5-Ground : Always continuity
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
F738 (3MZ-FE)P1546 (w/ Power Seat)P2146 (w/ Power Seat)F740 (2AZ-FE)P1646 (w/ Power Seat)P2546 (w/ Power Seat)
J21A46 (w/ Power Seat)P1846 (w/ Power Seat)P2646 (w/ Power Seat)
J22B46 (w/ Power Seat)P2046 (w/ Power Seat)
: 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)
1G29Cowl 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)
: GROUND POINTS
CodeSee PageGround Points Location
BA56Left Center Pillar
Service Hints

2005 HIGHLANDER (EWD592U)
243
HORN Relay
5-3 : Closed with the horn SW on
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B1242H738 (3MZ-FE)H838 (3MZ-FE)
C1642H740 (2AZ-FE)H840 (2AZ-FE)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
2B27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)2E27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
: 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)
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
I154Cowl Wire
Service Hints

2005 HIGHLANDER (EWD592U)
247
20A
POWER
OUTLET2
BCIA1 7
W- B
R
W
Y G GW- BW
G- R
15
1
137 23
4
45
P23
V15
J12 -S L
E EXCDAC2 AC1 +B +S B
INVERTER Relay
ELS2 12
E 5 B
B
(
*1) (
*1)W
BIA2 7IK2 1
R R W- B
EH A
J 2W- B
62C
W
W- B W- B22
22* 1 : w/ Rear Seat Entertainment System From Power Source System (
See Page 62)
Engine Control Module
Junction
Connector
Junction
Connector
Power Outlet (
110V)
Voltage Inverter

2005 HIGHLANDER (EWD592U)
248
Power Outlet
F8 Front Power Outlet
2-Ground : Approx. 12 volts with ignition SW at ACC or ON position
1-Ground : Always continuity
R13 Rear Power Outlet
2-Ground : Approx. 12 volts with ignition SW at ACC or ON position
1-Ground : Always continuity
M2 Main SW
3-Ground : Approx. 12 volts with ignition SW at ON or ST position
6-Ground : Always continuity
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
E542I1543M243
F738 (3MZ-FE)J239 (3MZ-FE)P2344F740 (2AZ-FE)J241 (2AZ-FE)R1345
F843J1244V1545
: 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)
1A29Engine Room Main Wire and Instrument Panel J/B (Lower Finish Panel)
1C
1D29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1F29Cowl 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)
2C27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
3A
3D30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3FInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3G31
: 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)IA252Cowl Wire and Floor No.2 Wire (Left Kick Panel)
IK254Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
IL254Instrument Panel Wire and Cowl Wire (Upper Side of Passenger Side J/B)
: GROUND POINTS
CodeSee PageGround Points Location
EH48 (3MZ-FE)Under the Left HeadlightEH50 (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)
251
V9 Garage Door Opener
1-Ground : Always approx. 12 volts
2-Ground : Always continuity
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
V945
: 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)
2A27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
4D334H33
4LCowl Wire and Passenger Side J/B (Right Side of Grove Box)
4M32
g(g )
4N
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IE152Roof Wire and Cowl Wire (Near the Bottom of Left Front Pillar)
IK354Engine Room Main Wire and Cowl Wire (Right Cowl Side Panel)
: GROUND POINTS
CodeSee PageGround Points Location
IA52Left Cowl Side Panel
IC52Right Cowl Side Panel
Service Hints

Maintenance Log: Cars
5,000 Miles or 6 Months
qReplace engine oil and oil filter1
qRotate tires (except MR2 Spyder)
qVisually inspect brake linings/drums and
brake pads/discs
Additional Maintenance Items for Special
Operating Conditions2
Driving in desert or on dirt roads:
qInspect ball joints and dust covers
qInspect drive shaft boots
qInspect engine air filter
qInspect steering linkage and boots
qTighten drive shaft bolt (Corolla and
Corolla Matrix)
qTighten nuts and bolts on chassis
Driving while towing:
qTi ghten nuts and bolts on chassis
10,000 Miles or 12 Months
qReplace engine oil and oil filter1
qRotate tires (except MR2 Spyder)
qVisually inspect brake linings/drums and
brake pads/discs
Additional Maintenance Items for Special
Operating Conditions2
Driving in desert or on dirt roads:
qInspect ball joints and dust covers
qInspect drive shaft boots
qInspect engine air filter
qInspect steering linkage and boots
qTighten drive shaft bolt (Corolla and
Corolla Matrix)
qTighten nuts and bolts on chassis
Driving while towing:
qTi ghten nuts and bolts on chassis
Dealer Service Verification:
Date: Mileage:
Dealer Service Verification:
Date: Mileage:
4

1 Reset the oil replacement reminder (“MAINT REQD”) light after replacing engine oil, if vehicle is equipped with this light.2 Perform these service items only if you drive primarily under the conditions indicated.3 See page 37 for details.4 Applies to Corolla Matrix 4WD and Sienna 4WD.
Maintenance Log: Cars
15,000 Miles or 18 Months
qReplace engine oil and oil filter1
qRotate tires (except MR2 Spyder)
qClean cabin air filter (Camry)
qTighten drive shaft bolt (Corolla and Corolla Matrix)
qVisually inspect brake linings/drums and brake pads/discs
qInspect the following:__ Ball joints and dust covers
__ Brake lines and hoses
__ Drive shaft boots
__ Engine coolant
3
__ Exhaust pipes and mountings
Note: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten
the life of the cabin air filter. Replacement may be needed if you notice reduced air flow
from the air conditioner and heater or if the windows fog easily when you use the "Fresh"
mode. Consult your dealer if any of these conditions occur.
Additional Maintenance Items for Special Operating Conditions2
Driving in desert or on dirt roads:
qInspect engine air filter
qTi ghten nuts and bolts on chassis
Driving while towing:
qReplace rear differential oil4
qR eplace transfer case oil4
qTi gh ten n uts and bolts on chassis
Dealer Service Verification:
Date:
Mileage:
5
__ Rear differential oil4
__ Steering gear box
__ Steering linkage and boots
__ Transfer case oil
4