2001 TOYOTA HIGHLANDER blower

2005 HIGHLANDER (EWD592U)
M OVERALL ELECTRICAL WIRING DIAGRAM
1
234
36 HIGHLANDER
Power SourceRear Heater2
1B140A
AL T40A AM1
2ACC
IG1 AM1 4
1C
6
1A 1
10A HEATER
71C
1G 8
15A RR HTR
2
2
3 5
2 1 9BH1
17 I R1
6
WB- RL P W
LY
WG
L
Y
BR
W
FL MAIN
3. 0W
Batt ery 1 2
13 IR1 2 1
2IK2 11 IA2
O L
1K 1318 IO1
Y
4
3GR B
6
BW- B
B
5 ST1
8
BB Right Cent er
PillarA A
A
BF Near the Rear
Side Mark er
Light RH
W- B
W- B
W- B
OF F
HI LOHI COM DUMMY M
3
1 2
A A W- B
B
W- B W- B
YW- B
W
W
3
E A A
4
W- B
ERLY I ND
F 7I15
R27
R26
J19
R25
R2 4 J 5
Fus ible Link Bloc kIgnition SWJunc tion
Connec tor
Junc tion
Connec tor
Re ar He at e r
Main SW
Rear Heat er Blower Motor
Rear Heat er Blower SW
Rear Heater
Relay

L PART NUMBER OF CONNECTORS
Code Part Name Part NumberCodePart Name Part Number
Note : Not all of the above part numbers of the connector are established for the supply.
2005 HIGHLANDER (EWD592U)
342
A 1A/C Ambient Temp. Sensor90980-1 1070
A2A/C Lock Sensor90980-1 1016A 2A/C Magnetic Clutch90980-1 1016
A 3Pressure SW90980-10943
A 4ABS Speed Sensor Front LH90980-1 1075A 5ABS Speed Sensor Front RH90980-11075
A 6Air Fuel Ratio Sensor (Bank 1 Sensor 1)90980-1 1178A 7Air Fuel Ratio Sensor (Bank 2 Sensor 1)90980-11178
A 8Airbag Sensor Front LH90980-1 1856A 9Airbag Sensor Front RH90980-11856
A10A/C Control Assembly90980-1 1392
A11A/C Control Assembly90980-1 1391
A12A/C Solar Sensor90980-1 1918
A13Air Inlet Control Servo Motor
A14Air Mix Control Servo Motor90980-1 1909
A15Air Vent Mode Control Servo Motor
A16
Airbag Sensor Assembly (w/ Curtain Shield
Airbag)82824-50160
A16Airbag Sensor Assembly (w/o Curtain
Shield Airbag)90980-1 1869
A17Airbag Sensor Assembly90980-1 1872
A18
Airbag Sensor Assembly (w/ Curtain Shield
Airbag)82824-50150
A18Airbag Sensor Assembly (w/o Curtain
Shield Airbag)90980-1 1867
A19Airbag Squib (Front Passenger Airbag
Assembly)
90980-12160
A20Airbag Squib (Steering Wheel Pad)
90980 12160
A21Antenna Amplifier (Front)90980-10871
A22Ashtray Illumination90980-10824
A23Automatic Light Control Sensor90980-1 1107
A24ABS Speed Sensor Rear LH90980-1 1060A25ABS Speed Sensor Rear RH90980-1 1060
A26Antenna Amplifier (Rear)90980-10871
A27Accel Position Sensor90980-1 1858
B 4Brake Warning SW90980-1 1207
B 5Blower Control SW90980-10877
B 6Blower Motor90980-10385
B 7Blower Motor Control90980-1 1676
B 8Blower Resister90980-1 1136
B 9Body ECU90980-1 1957
B10Body ECU90980-1 1956
B11Body ECU90980-1 1955
B12Body ECU90980-1 1954
B13Brake Pedal Load Sensing SW90980-10860
B14Back Door Key Lock and Unlock SW90980-1 1489
B15Back Door Lock Motor90980-1 1292B15Back Door Unlock Detection SW90980-1 1292
B17Buckle SW (Front Passenger's Side)90980-1 1019
B19Buckle SW LH90980-10942B19Seat Position Airbag Sensor LH90980-10942
C 1Camshaft Position Sensor90980-10947
C 2Camshaft Timing Control Valve
C 3Camshaft Timing Oil Control Valve LH90980-1 1162
C 4Camshaft Timing Oil Control Valve RH
C 5Condenser Fan Motor90980-10928
C 6Counter Gear Speed Sensor90980-1 1156
C 7Crankshaft Position Sensor90980-10947
C 9Cigarette Lighter90980-10760
C10Cigarette Lighter Illumination90980-1 1148
C11Combination Meter90980-1 1392
C12Combination Meter90980-1 1391
C13Combination SW90980-1 1672
C14Combination SW90980-1 1594
C16Combination SW90980-12183
C17Charcoal Canister Assembly90980-12380
C18Curtain Shield Airbag Squib LH90980-12219C19Curtain Shield Airbag Squib RH90980-12219
D 2Diode (Cooling Fan)90980-10962
D 3Data Link Connector 390980-1 1978
D 4Diode (Rear Interior Light)90980-10962
D 5Door Courtesy Light Front LH90980-1 1148D 6Door Courtesy Light Front RH90980-1 1148
D 7Door Courtesy SW Front LH
D 8Door Courtesy SW Front RH90980-10871D 9Door Courtesy SW Rear LH90980-10871
D10Door Courtesy SW Rear RH
D11Door Lock Control SW90980-10797
Door Key Lock and Unlock SW Front LH
D12Door Lock Motor Front LH
Door Unlock Detection SW Front LH90980-1 1858Door Key Lock and Unlock SW Front RH90980-11858
D13Door Lock Motor Front RH
Door Unlock Detection SW Front RH
D14Door Lock Motor Rear LHD14Door Unlock Detection SW Rear LH90980-1 1150
D15Door Lock Motor Rear RH90980-11150
D15Door Unlock Detection SW Rear RH
D16Diode (Rear Wiper)90980-10962
E 1Electronically Controlled Transmission
Solenoid90980-12326
E2Engine Coolant Temp. Sensor (2AZ-FE)90980-1 1061E 2Engine Coolant Temp. Sensor (3MZ-FE)90980-10737
E 3Engine Hood Courtesy SW90980-1 1189

L PART NUMBER OF CONNECTORS
Code Part Name Part NumberCodePart Name Part Number
Note : Not all of the above part numbers of the connector are established for the supply.
2005 HIGHLANDER (EWD592U)
344
N 4Navigation ECU90980-1 1923
O 1Oil Pressure SW90980-1 1363
O 3Option Connector 190980-10908O 4Option Connector 290980-10908
O 5Overhead J/B90980-12183
O 6Occupant Classification ECU90980-12356
O 7Occupant Classification ECU90980-12357
O 8Occupant Classification Sensor Front LH90980-12353
O 9Occupant Classification Sensor Front RH90980-12354O10Occupant Classification Sensor Rear LH90980-12354
O11Occupant Classification Sensor Rear RH90980-12353
A/T Indicator SW
P 1Back-Up Light SW90980-12362
Park/Neutral Position SW
P 2Power Steering Oil Pressure SW90980-1 1428
P 3Parking Brake SW90980-10871
P 5Power Window Master SW with ECU90980-12166
P 6Power Window Motor Front LH
P 7Power Window Motor Front RH90980-10797P 8Power Window Motor Rear LH90980-10797
P 9Power Window Motor Rear RH
P10Power Window SW Front RH
P11Power Window SW Rear LH90980-10799
P12Power Window SW Rear RH
P13Pretensioner LH90980-12253P14Pretensioner RH90980-12253
P15Power Seat Control SW (Driver's Seat
Control)90980-10997
P16Power Seat Control SW (Driver's Seat
Lumbar Support Control)90980-10789
P18Power Seat Motor (Driver's Seat Lumbar
Support Control)
P20Power Seat Motor (Driver's Seat Reclining
Control)90980-10825
P21Power Seat Motor (Driver's Seat Slide
Control)
P22Pressure SW90980-10906
P23Power Outlet (110V)90980-10601
P24Power Seat Control SW (Front Passenger's
Seat Control)90980-10997
P25Power Seat Motor (Driver's Seat Front Tilt
Control)
P26Power Seat Motor (Driver's Seat Lifter
Control)
90980-10825
P27Power Seat Motor (Front Passenger's Seat
Reclining Control)90980-10825
P28Power Seat Motor (Front Passenger's Seat
Slide Control)
R 1Radiator Fan Motor90980-10928
R 2Radio and Player90980-10996
R 3Radio and Player90980-10997
R 4Radio and Player90980-12038
R 5Remote Control Mirror SW90980-1 1657
R 6Room Temp. Sensor90980-1 1918
R 7Rear Combination Light LH90980-10797R 8Rear Combination Light RH90980-10797
R 9Rear Door Speaker LH90980-10935R10Rear Door Speaker RH90980-10935
R11Rear Interior Light90980-10908
R12Rear Interior Light SW90980-10860
R13Rear Power Outlet90980-10760
R14Rear Side Marker Light LH90980-1 1159
R15Rear Side Marker Light RH90980-10534
R16Rear Window Defogger90980-1 1259R17Rear Window Defogger90980-11259
R18Rear Wiper Motor90980-10908
R19Remote Control Mirror LH90980-10798R20Remote Control Mirror RH90980-10798
R21Rear Washer Motor90980-1 1051
R22Radio and Player90980-12183
R23Radio and Player90980-12259
R24Rear Heater Main SW90980-10933
R25Rear Heater Blower Motor90980-10795
R26Rear Heater Blower SW90980-1 1527
R27Rear Heater Relay82660-53010
R28Rear Seat Entertainment Display90980-12153R29Rear Seat Entertainment ECU90980-12153
R30Rear Seat Entertainment ECU90980-12200
R31Rear Seat Entertainment ECU90980-12259
S 1Starter90980-1 1400
S 2Starter90980-09463
S 3Seat Heater SW LH90980-10957
S 4Seat Heater SW RH90980-10933
S 5Shift Lock ECU90980-1 1319
S14Steering Sensor82824-45030
S15Stop Light SW90980-1 1118
S16Side Airbag Sensor Front LH90980-12225S17Side Airbag Sensor Front RH90980-12225
S18Side Airbag Squib LH90980-1 1864S19Side Airbag Squib RH90980-1 1864
S20Sliding Roof Control ECU90980-10801
S22Stereo Power Amplifier90980-10807
S23Stereo Power Amplifier90980-10848
S25Seat Heater LH90980-10797S26Seat Heater RH90980-10797
S27Skid Control ECU with Actuator90980-12297

2005 HIGHLANDER (EWD592U)
42
G ELECTRICAL WIRING ROUTING
Position of Parts in Instrument Panel
A 10 A/C Control Assembly
A 11 A/C Control Assembly
A 12 A/C Solar Sensor
A 13 Air Inlet Control Servo Motor
A 14 Air Mix Control Servo Motor
A 15 Air Vent Mode Control Servo Motor
A 16 Airbag Sensor Assembly
A 17 Airbag Sensor Assembly
A 18 Airbag Sensor Assembly
A 19 Airbag Squib (Front Passenger Airbag Assembly)
A 20 Airbag Squib (Steering Wheel Pad)
A 21 Antenna Amplifier (Front)
A 22 Ashtray Illumination
A 23 Automatic Light Control Sensor
A 27 Accel Position Sensor
B 5 Blower Control SW
B 6 Blower Motor
B 7 Blower Motor Control
B 8 Blower Resister
B 9 Body ECU
B 10 Body ECU
B 11 Body ECU
B 12 Body ECU
B 13 Brake Pedal Load Sensing SWC 9 Cigarette Lighter
C 10 Cigarette Lighter Illumination
C 11 Combination Meter
C 12 Combination Meter
C 13 Combination SW
C 14 Combination SW
C 16 Combination SW
D 2 Diode (Cooling Fan)
D 3 Data Link Connector 3
D 16 Diode (Rear Wiper)
E 4 Electronically Controlled Transmission Pattern
Select SW
E 5 Engine Control Module
E 6 Engine Control Module
E 7 Engine Control Module
E 8 Engine Control Module
E 9 Engine Control Module
E 12 Evaporator Temp. Sensor

2005 HIGHLANDER (EWD592U)
45
G
Position of Parts in Body
R 7 Rear Combination Light LH
R 8 Rear Combination Light RH
R 9 Rear Door Speaker LH
R 10 Rear Door Speaker RH
R 11 Rear Interior Light
R 12 Rear Interior Light SW
R 13 Rear Power Outlet
R 14 Rear Side Marker Light LH
R 15 Rear Side Marker Light RH
R 16 Rear Window Defogger
R 17 Rear Window Defogger
R 18 Rear Wiper Motor
R 19 Remote Control Mirror LH
R 20 Remote Control Mirror RH
R 25 Rear Heater Blower Motor
R 26 Rear Heater Blower SW
R 27 Rear Heater Relay
R 28 Rear Seat Entertainment Display
R 29 Rear Seat Entertainment ECU
R 30 Rear Seat Entertainment ECU
R 31 Rear Seat Entertainment ECUS 16 Side Airbag Sensor Front LH
S 17 Side Airbag Sensor Front RH
S 20 Sliding Roof Control ECU
S 22 Stereo Power Amplifier
S 23 Stereo Power Amplifier
S 32 Side Airbag Sensor Rear LH
S 33 Side Airbag Sensor Rear RH
T 9 Towing Converter
T 10 Trailer Hitch
T 11 Tweeter LH
T 12 Tweeter RH
V 9 Garage Door Opener
Vanity Light LH
V 10 Vanity Light RH
V 11 Vapor Pressure Sensor
V 13 Video Terminal
V 14 VSV (Canister Closed Valve)
V 15 Voltage Inverter
W 6 Wireless Door Lock ECU
Y 1 Yaw Rate Sensor

I30329
w/o Navigation System
I38758
w/ Navigation System
Blower level Step No.Display
codeConditions
Air flow vent
Air inlet damper Magnetic clutch
ºCOOLº side
(Fully closed) Air mix damper
OFF FRESH FACE 0 1
2
3
4
6
7
8
9
10 4
51
17
17
17
17
17
17
17
31 0
1
2
3
6
7
8 4
5
9FACE
FACE
FACE
FACE
B/L
FOOT
FOOT
FOOT/ DEF
DEFFRESH
RECIRCULATION
RECIRCULATION
RECIRCULATION
RECIRCULATION
RECIRCULATION
RECIRCULATIONOFF
ON
ON
ON
ON
ON
ON
ON
ONºCOOLº side
(Fully closed)
ºCOOLº side
(Fully closed)
ºCOOLº side
(Fully closed)
ºCOOLº/ ºWARM º
(50% open)
ºCOOLº/ ºWARM º
(50% open)
ºWARMº side
(Fully opened)
ºWARMº side
(Fully opened)
ºWARMº side
(Fully opened) FRESH
FRESH
ºWARMº side
(Fully opened)
05-1 120
- DIAGNOSTICSAIR CONDITIONING SYSTEM
1310 Author
: Date
:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
6. ACTUATOR CHECK
(a) Turn the ignition switch to the ON position while pressing
the A/C control AUTO switch and R/F (Recirculation /
Fresh) switch simultaneously.
(b) As each damper, motor and relay automatically operate
the actuator check at 1 second intervals from step No.1
to No.10 continuously, check the temperature and air flow
visually and by hand.
If a slower display is desired, press the temperature up switch
and change the display in the step operation. Each time the
temperature up switch is pressed, the display changes by 1
step.
HINT:

Codes are displayed from the smaller to the larger num-
bers in order.

To cancel the check mode, press the ºOFFº switch.

05-1 122
- DIAGNOSTICSAIR CONDITIONING SYSTEM
1312 Author
: Date
:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)ItemDiagnostic Note Normal Condition Measurement Item/Display
(Range)
A/O DAMP POSAir outlet damper position
/min.: -14% max.: 113.5%Changes depending on air outlet
power position-
A/M DAMP TARG-D
Air mix damper target position
(Driver side)
/min.: -14% max.: 113.5%Changes depending on the set
temperature (Driver side)-
A/O DAMP TARGAir outlet damper target position
/min.: -14% max.: 113.5%Changes depending on air outlet
power position-
BLOWER LEVELBlower motor speed level
/min.: Level 0 max.: Level 31Changes depending on blower lev-
el-
#CODESNumber of Trouble Codes
/min.: 0 max.: 255--
HAND FREE TELHands free telephone / OFF, ON--
SET TEMP SHIFTShift set temperature/2C decr, 1C
decr, NORMAL, 1C incr, 2C incrChanges depending on shift set
temperature *1-
COMPRESSOR MODECompressor mode
/AUTO, MANUALChanges depending on compres-
sor mode *1-
COMPRS/DEF OPERCompressor/DEF operation mode
/LINK, NORMALChanges depending on compres-
sor/DEF operation mode *1-
HINT:
*1: It differs depending on the user setting.

2005 HIGHLANDER (EWD592U)
28
F RELAY LOCATIONS
: Instrument Panel J/BLower Finish Panel (See Page 20)