
'05 HIGHLANDER_U (L/O 0409)
331
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
IN CASE OF AN EMERGENCY
In case of an emergency
If your vehicle will not start332 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If your engine stalls while driving335 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If you cannot increase engine speed336 . . . . . . . . . . . . . . . . . . . . . . . . . .
If your vehicle overheats336 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If you have a flat tire337 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If your vehicle becomes stuck348 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If your vehicle needs to be towed349 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If you cannot shift automatic transmission selector lever354 . . . . . . . .
If you lose your keys355 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
If you lose your wireless remote control transmitter355 . . . . . . . . . . . . .
SECTION 4

'05 HIGHLANDER_U (L/O 0409)
411
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
Instrument panel
Fuses (type A)
1. A/F 25 A: Air fuel ratio sensor
2. CRT 7.5 A: Rear seat entertainment
system, navigation system
3. STARTER 7.5 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system
4. EFI NO.2 10 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system
5. ETCS 10 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system
Engine compartment
(with daytime running light system)
6. RR HTR 15 A: Rear air conditioning
system
7. H- LP RH LWR 15 A: Right- hand head-
light (low beam)
8. H- LP LH LWR 15 A: Left- hand head-
light (low beam)
9. ALT- S 7.5 A: Charging system
10. POWER OUTLET2 20 A: Power outlets
11. TOWING 20 A: Trailer lights
12. HORN 10 A: Horns
13. SECURITY 15 A: Theft deterrent sys-
tem14. H- LP RH UPR 10 A: Right- hand head-
light (high beam)
15. ECU´B 7.5 A: Theft deterrent system,
air conditioning system, gauges and
meters, multiplex communication sys-
tem, electronic moon roof, front pas-
senger occupant classification system
16. EFI NO.1 20 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system, fuel pump
17. DOOR LOCK 25 A: Power door lock
system, theft deterrent system
18. H- LP LH UPR 10 A: Left- hand head-
light (high beam)
19. RAD NO.1 25 A: Audio system
20. DOME 10 A: Personal lights, interior
lights, vanity lights, ignition switch light,
wireless remote control system, gauges
and meters, navigation system
21. HAZARD 15 A: Emergency flashers,
instrument panel light, trailer lights
22. SPARE 7.5 A: Spare fuse
23. SPARE 15 A: Spare fuse
24. SPARE 25 A: Spare fuse

'05 HIGHLANDER_U (L/O 0409)
412
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
25. IGN 10 A: Gauges and meters, SRS
airbag system, multiport fuel injection
system/sequential multiport fuel injec-
tion system, front passenger occupant
classification system
26. RAD NO.2 7.5 A: Audio system, shift
lock system, navigation system, rear
seat entertainment system, air condi-
tioning system, multiplex communica-
tion system
27. CIG 15 A: Cigarette lighter
28. P RR DOOR 20 A: Power windows
29. PWR OUTLET1 15 A: Power outlets
30. FR FOG 20 A: Front fog lights
31. ECU- IG 10 A: Electric moon roof,
anti- lock brake system, vehicle stability
control system, shift lock system,
charging system, starting system
32. WIPER 25 A: Windshield wipers and
washer
33. D RR DOOR 20 A: Power windows
34. D FR DOOR 25 A: Power windows,
door courtesy lights, power door lock
system
35. S/ROOF 20 A: Electric moon roof36. HEATER 10 A: Air conditioning system,
electric cooling fan, rear window defog-
ger, outside rear view mirror defogger,
gauges and meters
37. IG1 7.5 A: Back- up lights, vehicle sta-
bility control system, multiport fuel in-
jection system/sequential multiport fuel
injection system, outside rear view mir-
ror heaters, power door lock system,
wireless remote control system, naviga-
tion system, multiplex communication
system
38. RR WIP 15 A: Rear window wiper
39. STOP 20 A: Stop lights, high mounted
stoplight, anti- lock brake system, ve-
hicle stability control system, shift lock
system, trailer lights, multiplex commu-
nication system, multiport fuel injection
system/sequential multiport fuel injec-
tion system
40. OBD 7.5 A: On- board diagnosis sys-
tem
41. SEAT HTR 15 A: Seat heaters
42. IG2 15 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system, charging system, starter sys-
tem
43. WASHER 20 A: Low windshield washer
fluid level warning light44. FR DEF 20 A: Air conditioning system,
outside rear view mirror defoggers
45. P FR DOOR 20 A: Power windows,
door courtesy lights, multiplex commu-
nication system
46. TAIL 10 A: Tail lights, license plate
lights, instrument panel lights, front fog
lights, front side marker lights, rear
side marker lights, parking lights
47. PANEL 7.5 A: Instrument panel lights,
trailer lights
48. DRL 7.5 A: Daytime running light sys-
tem
Fuses (type B)
49. AM2 30 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system, starting system
50. ABS2 50 A: Anti- lock brake system,
vehicle stability control system
51. ABS1 30 A: Anti- lock brake system,
vehicle stability control system
52. HTR 50 A: Air conditioning system
53. RDI 30 A: Electric cooling fans
54. RR DEF 30 A: Rear window defoggers
55. CDS 30 A: Electric cooling fans

'05 HIGHLANDER_U (L/O 0409)
33
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
The system will automatically be set after
30 seconds. When the system is set, the
indicator light will start flashing again.
4. After making sure the indicator light
starts flashing, you may leave the ve-
hicle.
Never leave anyone in the vehicle when
you set the system, because unlocking
from the inside will activate the system.
Canceling the system
The system will cancel within 30 seconds
before the system is set automatically un-
der any of the following conditions:
Any of the side doors, back door or
hood is opened.
Any of the side doors or back door is
unlocked.
The key is inserted into the ignition.
The battery terminal is reconnected.
If the tail lights come on for 2 seconds,
the theft deterrent system has been
alarmed. Check to see if there is any
abnormality with your vehicle.WHEN THE SYSTEM IS SET
Activating the system
The system will sound the alarm under
the following conditions:
If any of the side doors and back door
is unlocked or opened without the key
or wireless remote control transmitter,
or if the hood is forcibly opened.
If the battery terminal is disconnected
and then reconnected.
If the ignition is hot- wired.
The indicator light will come on when the
system is activated.
If any of the side doors and back door is
unlocked without the key or wireless re-
mote control transmitter and the key is
not in the ignition switch, all the side
doors and back door will be automatically
locked again.
After about 1 minute, the alarm will auto-
matically stop and the indicator light will
start flashing again.Reactivating the alarm
Once set, the system automatically resets
the alarm after the alarm stops.
The alarm will activate again under the
same circumstances described in
Activating the systemº.
Stopping the alarm
The alarm will be stopped by the following
conditions:
Turn the ignition key from the LOCKº
to ONº position.
Unlock any of the side doors or back
door with the key or wireless remote
control transmitter.
If the battery becomes discharged due
to the vehicle being unused for a long
time, etc., when the battery is recharged
or replaced, the system will give the
alarm. If this happens, immediately unlock
any of the side doors or back door with
the key or the wireless remote control
transmitter, and the alarm will stop.

SYSTEM INDEX
M OVERALL ELECTRICAL WIRING DIAGRAM
2005 HIGHLANDER (EWD592U)
348
SYSTEMS LOCATION SYSTEMS LOCATION
Air Conditioning (Automatic A/C) 34-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning (Manual A/C) 35-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio System (6 Speaker) 28-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio System (8 Speaker) 29-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Glare-Resistant EC Mirror 20-2. . . . . . . . . . . . . . . . . . . . . . . .
Automatic Light Control 12-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back-Up Light 9-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 27-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combination Meter 31-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control (2AZ-FE) 3-1 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control (3MZ-FE) 2-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Lock Control 18-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronically Controlled Transmission and A/T Indicator
(2AZ-FE) 14-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronically Controlled Transmission and A/T Indicator
(3MZ-FE) 13-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Control (2AZ-FE) 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Control (3MZ-FE) 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Immobilizer System 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Deicer 25-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Fog Light 12-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Wiper and Washer 23-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Garage Door Opener 10-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight (w/ Daytime Running Light) 5-2. . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight (w/o Daytime Running Light) 6-2. . . . . . . . . . . . . . . . . . . . . . . . .
Horn 8-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illumination 11-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Light 10-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Reminder 26-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Light Auto Turn Off System 26-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mirror Heater 25-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Moon Roof 20-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multiplex Communication System (BEAN Bus) 20-3. . . . . . . . . . . . . . . .
Multiplex Communication System (CAN) 15-10. . . . . . . . . . . . . . . . . . . . .
Navigation System 30-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Outlet (110V) 27-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Outlet (12V) 27-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Seat (Driver's Seat) 21-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Seat (Front Passenger's Seat) 21-3. . . . . . . . . . . . . . . . . . . . . . . .
Power Source 1~36-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Window 17-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator Fan and Condenser Fan (2AZ-FE) 33-2. . . . . . . . . . . . . . . . . .
Radiator Fan and Condenser Fan (3MZ-FE) 32-2. . . . . . . . . . . . . . . . . .
Rear Heater 36-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Window Defogger 25-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Wiper and Washer 23-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Control Mirror 24-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Belt Warning 26-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Heater 22-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Lock 24-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SRS 16-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Light 9-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Taillight 7-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft Deterrent System 19-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Pressure Warning System 15-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer Towing 22-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Hazard Warning Light 8-2. . . . . . . . . . . . . . . . . . . . . . . . . .
VSC 15-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wireless Door Lock Control 18-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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