ECU TOYOTA HIGHLANDER 2001 Service User Guide

'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

2005 HIGHLANDER (EWD592U)
62
Power Source
B1
1A 1C6
5
13
2 15A SEAT HTR
20A P FR DOOR40A AM1
20A P RR DOOR
25A D FR DOOR
20A FR DEF
20A FR FOG
7. 5A OBD
20A STOP
20A S/ROOF
30A POWER
WW
2645
11
397. 5A PANEL
10A TAIL
TAI LL I GHT Rela y
W
W
G WY BB- R
140A ALT
30A RDI
30A CDS
30A RR DEF
Battery
FAN NO. 1 Relay
FAN NO. 3 Relay
RR DEF Relay
ABS CUT Relay2
12
15A PWR OUTLET1
212
2G
25A A/F20A D RR DOOR
30A ABS1
50A ABS2
30A AM2
FL MAI N
3. 0W7
B- Y 50A HTR
HEATER Relay
810
BIC1 1Y
L- Y
Y W
Skid Control ECU with Actuator
F 7
212
2B- R
15A RR HTR
12
2R
10A ETCS
212
2V
7. 5A CRT E1 5
E1 5W
W
W
W
Fusible Link Block

2005 HIGHLANDER (EWD592U)
63
1
2I
3 2
4 1
2G133 I15
B
HEAD LAMP Relay
20A EFI NO. 110A HORN10A H- LP LH UPR 10A H- LP RH UPR
40A MAIN D. C. C
7. 5A ALT- S
2 125A DOOR LOCK
15A HAZARD7. 5A ECU- B
15A SECURITY25A RAD NO. 1
10A DOME 2
73
4
6 AM2 AM1ACC
IG1
IG2
ST21C2
10A IGN
15A IG215A RR WIP25A WIPER 10A ECU- IG 20A WASHER7. 5A IG1
1C715A CIG
7. 5A RAD NO. 2 L
L
G
GR
1C1
1C4
R- B
W W
2 1
7. 5A DRL
2 2 1
15A H- LP LH LWR 222 1
15A H- LP RH LWR1
32
53
3 3
DRL NO. 2 Relay 3 2G4
E10R- B
R- B R- B
BL- R
20A TOWING Y
1G1
212
2L
E10B
B
(
*2)(
*1)
(
*1)(
*1) * 1 : w/ Daytime Running Light
* 2 : w/o Daytime Running Light
7. 5A STARTER10A HEATER
(
*1)(
*1) (
*1)(
*1)
2 3
1 5
2D3
EFI RelayY
222 1
10A EFI NO. 2L- W
B- W R- WR- Y 1 ST1
IC1 3 B
B- Y
20A POWER OUTLET28
B- W
STARTER RelayIgnition SW

'05 HIGHLANDER_U (L/O 0409)
19
2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
The wireless remote control system is
designed to lock or unlock all the side
doors and back door, or activate the
PANICº mode from a distance within
approximately 1 m (3 ft.) of the vehicle.
When you operate any switch, push it
slowly and securely.
The wireless remote control transmitter is
an electronic component. Observe the fol-
lowing instructions in order not to cause
damage to the transmitter.

Do not leave the transmitter in places
where the temperature becomes high
such as on the dashboard.

Do not disassemble it.

Avoid knocking it hard against other
objects or dropping it.

Avoid putting it in water.
You can use up to 4 wireless remote con-
trol transmitters for the same vehicle.
Contact your Toyota dealer for detailed
information.If the wireless remote control transmitter
does not actuate the side doors and back
door or alarm, or operate from a normal
distance:

Check for closeness to a radio trans-
mitter such as a radio station or an
airport which can interfere with normal
operation of the transmitter.

The battery may have been consumed.
Check the battery in the transmitter. To
replace the battery, see ÐReplacing
transmitter batteryº on page 22.
If you lose your transmitter, contact your
Toyota dealer as soon as possible to
avoid the possibility of theft, or an acci-
dent. (See If you lose your wireless re-
mote control transmitterº on page 355 in
Section 4.)
For vehicles sold in U.S.A.
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful
interference, and (2) this device must
accept any interference received, includ-
ing interference that may cause unde-
sired operation.
NOTICE:
This equipment has been tested and
found to comply with the limits for a
Class B digital device, pursuant to Part
15 of the FCC Rules. These limits are
designed to provide reasonable protec-
tion against harmful interference in a
residential installation. This equipment
generates, uses and can radiate radio
frequency energy and, if not installed
and used in accordance with the instruc-
tions, may cause harmful interference to
radio communications. However, there
is no guarantee that interference will not
occur in a particular installation. If this
equipment does cause harmful interfer-
ence to radio or television reception,
which can be determined by turning the
equipment off and on, the user is en-
couraged to try to correct the interfer-
ence by one or more of the following
measures:

'05 HIGHLANDER_U (L/O 0409)
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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)

Reorient or relocate the receiving an-
tenna.

Increase the separation between the
equipment and receiver.

Connect the equipment into an outlet
on a circuit different from that to
which the receiver is connected.

Consult the dealer or an experienced
radio/TV technician for help.
FCC WARNING:
Changes or modifications not ex-
pressly approved by the party respon-
sible for compliance could void the
user's authority to operate the equip-
ment.
For vehicles sold in Canada
Operation is subject to the following two
conditions:
(1) this device may not cause interfer-
ence, and (2) this device must accept
any interference, including interference
that may cause undesired operation of
the device.
Locking operation
Unlocking operation
To lock and unlock all the side doors
and back door, push the switches of
the transmitter slowly and securely.
To lock: Push the LOCKº switch. All the
side doors and back door are locked si-
multaneously. At this time, one beep will
be heard, and the turn signal lights flash
once.
Check to see that all the side doors and
back door are securely locked.
If any of the side doors or back door is
not securely closed, locking cannot be
performed by the LOCKº switch and a
beep will sound continuously for 10 sec-
onds. However, if the key is in the igni-
tion, a beep will not sound.
To stop the beep, close all the side doors
and back door securely or push the
UNLOCKº switch.
The beep can be disabled. For details,
contact your Toyota dealer.
To unlock: Push the UNLOCKº switch
once to unlock the driver 's door alone.
Pushing the switch twice within 3 seconds
unlocks all the side doors and back door
simultaneously. Each time the UNLOCKº
switch is pushed, two beeps will be heard,
and the turn signal lights flash twice.
ÐLocking and unlocking
doors

'05 HIGHLANDER_U (L/O 0409)
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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
1. Using a coin or equivalent, open the
transmitter case.2. Remove the discharged transmitter bat-
tery by ballpoint pen. Insert the tip of
ballpoint pen at the guide groove and
lift as shown in the above illustration.
NOTICE
Do not bend the terminals.
3. Put in a new transmitter battery with
positive (+) side up.
Close the transmitter case securely.
NOTICE

Make sure the positive side and
negative side of the transmitter bat-
tery are faced correctly.

Do not replace the battery with wet
hands. Water may cause unexpected
rust.

Do not touch or move any compo-
nents inside the transmitter, or it
may interfere with proper operation.

'05 HIGHLANDER_U (L/O 0409)
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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)

Be careful not to bend the electrode
when inserting the transmitter bat-
tery and that dust or oils do not
adhere to the transmitter case.

Close the transmitter case securely.
After replacing the battery, check that the
transmitter operates properly. If the trans-
mitter still does not operate properly, con-
tact your Toyota dealer.
LOCKING AND UNLOCKING WITH KEY
Insert the key into the keyhole and turn
it.
To lock: Turn the key forward.
To unlock: Turn the key backward.
All the side doors and back door lock and
unlock simultaneously with either front
door. In the driver 's door lock, turning the
key once will unlock the driver's door and
twice in succession will unlock all the side
doors and back door simultaneously.
This double key turning operation to un-
lock all the side doors and back door can
be changed to a single key turning opera-
tion. For details, contact your Toyota deal-
er.When all the side doors and back door
are unlocked simultaneously using a key,
the center interior light, personal lights
and ignition switch light will come on and
remain on for about 15 seconds before
fading out. (For further information, see
Interior lightsº on page 124, Personal
lightsº on page 125 and Ignition switch
lightº on page 126 in Section 1- 5.)
The driver 's window can be opened or
closed with the key operation in the driv-
er 's door keyhole. (For details, see Power
windowsº on page 27 in this Section.)
Side doors

'05 HIGHLANDER_U (L/O 0409)
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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
LOCKING AND UNLOCKING WITH KEY
Insert the key into the keyhole and turn
it.
To lock: Turn the key clockwise.
To unlock: Turn the key counterclockwise.
To open the back door, pull the lock
release lever.
Operating the power door lock switch or
wireless remote control transmitter simul-
taneously locks or unlocks the back door.
(See ÐLocking and unlocking doorsº on
page 20 and Side doorsº on page 24 in
this Section.)
When closing the back door, make sure
it is fully closed.See ÐStowage precautionsº on page 313
in Section 2 for precautions when loading
luggage.When closing the back door, the inside
strap can be used to make the reach
easier.
To close the back door, lower it and press
down on it. After closing the back door,
try pulling it up to make sure it is secure-
ly closed.
See ÐStowage precautionsº on page 313
in Section 2 for precautions when loading
luggage.
Back door

'05 HIGHLANDER_U (L/O 0409)
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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
CAUTION
Keep the back door closed while driv-
ing. This not only keeps the luggage
from being thrown out but also pre-
vents exhaust gases from entering
the vehicle.
To open the hood:
1. Pull the hood lock release lever. The
hood will spring up slightly.
CAUTION
Before driving, be sure that the hood
is closed and securely locked. Other-
wise, the hood may open unexpected-
ly while driving and an accident may
occur.
2. In front of the vehicle, pull up the
auxiliary catch lever and lift the
hood.
Hood