TOYOTA HIGHLANDER 2001 Service Repair Manual

2005 HIGHLANDER (EWD592U)
196
Door Lock Control
B
G
G
V
VD 17LSWA
A A
BH1 17
BC1 11BH1 8
BC1 6
G SBV
B- WL- B
1 2AA
BG3 8 BG2 1 BG2 3
BE A4 1 2
V GR
B GV
W- B
3
J14 B15 B
IC 4L 74H 11 4G 9D 7GND1
D DB 2KSW
1 2
G G W- B
W- B W- BJ 6 K 4
MM
D15IA1 4
BG3 4
GR R
1 2C 6BCTY
G
R12
A
G W- B
L ULS
E ACT+ ACT- IA13
B BB 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
Body ECU
Back Door Lock Motor
Back Door Unlock
Detection SW Door Lock Motor Rear RH
Door Unlock Detection SW
Rear RH
Junction
Connector
Junction
Connector
Unlock Warning SW Rear Interior Light SW
BH1 15
BC1 7
B BR GR
4
BB BC1 133
W- B W- B
LSSR
EJunction
Connector J12

2005 HIGHLANDER (EWD592U)
197
The door lock control is controlled through the various signals input into the body ECU through communication control of the
body ECU etc.
1. Manual Operation
All doors can be Locked/Unlocked through the operation of the driver and passenger side door lock control SW.
2. Double Operation Unlock Operation
When the door key lock and unlock SW front LH is turned to the unlock side, only the driver's door is unlocked. And if the
door key lock and unlock SW front LH is turned to the unlock side again within 3 seconds, all the doors to unlock.
3. Manual Unlock Protection
Once the doors are locked by the door knob (Key less operation), the door key or the transmitter, they can not be unlocked
by the door lock control SW. The protection is canceled when the ignition SW is turned on or unlock operation is made by the
door key or the transmitter.
4. Ignition Key Reminder Operation
When the door lock operation is made using the door knob with the ignition key remained inserted in the key cylinder and the
door open, unlock operation is automatically made. Additionally, if lock operation is made with the door lock control SW or
door key lock and unlock SW, unlock operation is automatically made after the lock operation has been completed.
D7, D8, D9, D10 Door Courtesy SW Front LH, RH, Rear LH, RH
1-Ground : Continuity with the door open
D12 Door Key Lock and Unlock SW,Door Lock Motor and Door Unlock Detection SW Front LH
5-Ground : Approx. 12 volts with the door lock motor at lock operate
6-Ground : Approx. 12 volts with the door lock motor at unlock operate
4-2 : Closed with the door lock cylinder locked with key
3-2 : Closed with the door lock cylinder unlocked with key
D13 Door Key Lock and Unlock SW,Door Lock Motor and Door Unlock Detection SW Front RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
3-5 : Closed with the door lock cylinder locked with key
4-5 : Closed with the door lock cylinder unlocked with key
D14 Door Lock Motor and Door Unlock Detection SW Rear LH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
D15 Door Lock Motor and Door Unlock Detection SW Rear RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
B15 Back Door Lock Motor and Back Door Unlock Detection SW
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
System Outline
Service Hints

2005 HIGHLANDER (EWD592U)
198
Door Lock Control
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A10A42D844J1244
A11B42D944J1344
A1742D1044J1444
B9A42D1144J1643
B10B42D1244K443
B11C42D1344O343
B12D42D1444P544
B1444D1544R1245
B1544E642S30A43
C11A42G543S31B43
C12B42J543T443
D342J643
D744J1044
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1D
1E29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1G29Cowl 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)
2A27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
3A
3B303C30
Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)3EInstrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3G313H31
4A
4F334G33
4HCowl Wire and Passenger Side J/B (Right Side of Grove Box)
4L
g(g )
4M32
4O

2005 HIGHLANDER (EWD592U)
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: 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)
IB152Front Door LH Wire and Cowl 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)
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)
IN154Front Door RH Wire and Cowl Wire (Right Kick Panel)IN254Front Door RH Wire and Cowl Wire (Right Kick Panel)
IO254Cowl Wire and Floor Wire (Right Kick Panel)
BB156Rear Door No.1 LH Wire and Floor No.2 Wire (Left Center Pillar)
BC156Rear Door No.1 RH Wire and Floor Wire (Right Center Pillar)
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)
BH156Floor No.2 Wire and Floor Wire (Near the Rear Side Marker Light RH)
: GROUND POINTS
CodeSee PageGround Points Location
IA52Left Cowl Side Panel
IC52Right Cowl Side Panel
BA56Left Center Pillar
BB56Right Center Pillar
BC56Left Side of Rear Cross Member
BE56Left Side of Back Door
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
B456Front Door RH Wire

2005 HIGHLANDER (EWD592U)
200
Wireless Door Lock Control
7. 5A
RAD
NO. 2
1J 6
3A 8 3A 10
3C 6 3B 5
W B BRG
D 9
BECUA 5
IGA 17
ACC 1D 3
IB2 2IB2 3
IB1 3IL1 8
IF3 5
IB2 1 4F 7A 10MPX2
IB2 8
920 108
W- L
R- L L- W
GRBR
WY V
Y SB
O
CPUB SIG BDRMPX2
IB1 2
4L 8
4L 10 1D 144M 6 1E 4
IA
W- B
W- B W- B
W- BIB1 5IB14 B BIA2 13 D 1ACT+
D 2ACTD
56
D12 414 316
4321
G
Y
LG
BR
W
RL
BRL
L
B
2G
L
IN12
W- B W- B GND KL KUL LSWE LSW
BR
7. 5A
ECU- B
2A 4
IC3 5
1G 10
W- L BR
7. 5A
IG1
1D 1
P 5
20A
P FR DOOR
1K 6
4A 5 A 21B 9
Y G Y
R
1H 61K 10
IL2 12MPX1 6B
W
MPX+G
GR
MPD2 MPX-
MPD1
L UL E LSSR L UL
M 7
V
MPX1J 5
B 2A 9
MPX-
MPX+IL21
3J 123E 1
11
4B 1B2 A 1A2
31
V
MPX1
T 4
3H 5MPX1 MPX2
BR BR
BR
A17
G
G 5
SB GR
G
(
*1)
(
*1)
B MPX2
MPX1
E 6
29
24 1822
(
*3)
(
*2) From Power Source System (
See Page 62)
C11(
A)
, C12(
B)
S30(
A)
, S31(
B)
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
A10(
A)
, A11(
B)
A/C Contr ol Assembly
Airbag Sensor
Assembly
Body ECU
Combi nati on Meter
Door Key Lock and Unlock SW Front LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH
Engine Control
Module Gateway ECU
Juncti on
Connector
Power Window Master SW
with ECU
Short Connector Theft Deterrent ECU

2005 HIGHLANDER (EWD592U)
201
25A
DOOR
LOCK
2A 2
IK2 8
R- B B
D 4
BDR11E 3
1E 12
B 4
OBD2
OBR
B 4 65
3 IN2 14 IN27 B 7PML
B 12PMUL
IN2 1IN28IN22IN15IN14C C B 8PKL
B 13PKUL
B 11LSWP
D 6ACT-
R
LG
V
SB
BR
W W W
P
GR
V
BR
W
R
34612IA1 10
C
D11
J 5
D13W
BB1 6 BB113 BB17 A A
C C
13 4
BA BB1 11
W- B W- B
2
GR
B- W
L- BB
G
V
CC AA
J10 J10
D14B
G
G
V
V G
V
5
W- B W- BG
L
W- BR
LG
V
SB
BR
L
* 1 : w/ Navigation System
* 2 : w/o Navigation System
L UL LSSR L UL
EMM A 19
HAZ
L
From Power Source System (
See Page 62)
* 3 : w/ Theft Deterrent System
LSSR L UL
E 3B 9
3B 8
W
IL2 20HAZ
8 T 8
O W
BC W- B 4A 12
4M 1SIL
7
P
D 3
A
A
J16P
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
Body ECU Data Link
Connector 3
Door Lock Control SW
Door Key Lock and Unlock SW Front RH
Door Lock Motor Front RH
Door Unlock Detection SW Fr ont RHDoor Lock Motor Rear LH
Door Unlock Detection SW Rear LH Junction
ConnectorJunction
Connector Junction
Connector
Junction
Connector
Turn Signal Flasher

2005 HIGHLANDER (EWD592U)
202
Wireless Door Lock Control
B
G
G
V
VD 17LSWA
A A
BH1 17
BC1 11 BH1 8
BC1 6 BH1 15
BC1 7
B B
G BR
SB
V GR
B- W
L- B
412 AA
V
BB BC1 133
W- B W- B
BG3 8BG21BG23
BE A412
V
G
RB
G
V W- B
3B15 J12
B
M
D15M
AC 6BCTY
1 2
G R W- B
R12
IA1 4
BG3 4
GR
W- BIA1 9 B
1BH1 6
1 B
B
G LG
D 15
RCTY
D10W
W
D 9
1
B
D 7B
C 11
DCTY1
V
D 8SB
D 16
PCTY IA1 14J13
IO2 17
LSSR L UL S ACT+ ACT-
EE
B
WIA13
W- B
W- BB 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
J14
Body ECU
Back Door Lock Motor
Back Door Unlock Detection SW
Door Courtesy SW
Front LH
Door Courtesy SW
Front RH Door Courtesy SW
Rear LH Door Courtesy SW
Rear RH
Door Lock Motor Rear RH
Door Unlock Detection SW Rear RH Junction
ConnectorJunction
Connector
Junction
Connector
Rear Interior Light SW

2005 HIGHLANDER (EWD592U)
203
4H 11 4G 9D 7GND1
D DB 2KSW
1 2
G G W- B
W- BJ 6 K 4
32A10A
DOME
IK3 12
4H 6
4D 9
BF IK3 14
3IK3
4M 3
4N 1
IC 74L2 1C 15
R V L- Y W W- B W- B W- B
W- B
W- B
A
W 5
BZR C 16 C17
RDA PRGIO2 14 IO215
GR
YSB
BR
1 3 25B
IO2 10
W- B
+B RDA PRG E* 4 : w/ Engine Immobilizer System
* 5 : w/o Engine Immobilizer System
ILE
D 11
BR
4D 13 4D12
IE1 1
WB
21
OFF
ON DOOR
5IE1
R G
4H 1
4F 24J 5
BR
2
61 2
I16
T 7
I14 GY
Y G(
*4)
(
*5) (
*5) (
*4)
W 6
R D D
J18 B
B 1
W
B 1
R
+B1
112
7
4D 5
4M 6
1E 4
1D 14
IA
W- B W- B
W R W- B
GND CTYO 5
J19
W- B
A A W- B W- BW- B
IE18B 13
W- B
W- B
W- B
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)From Power Source System (
See Page 62)
Ignition Key
Cylinder
Illumination
Body ECU
Ignition Key Cylinder
Illumination Interior LightJunction
Connector
Junction
Connector
Junction
Connector
Unlock Warning SW
Overhead J/B
Transponder Key Amplifier Wireless Door Lock Buzzer
Wireless Door Lock ECU

2005 HIGHLANDER (EWD592U)
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Wireless Door Lock Control
In this system, the wireless door lock ECU receivers weak radio wave transmitted from the transmitter and outputs a signal
to the body ECU. Accordingly, all the doors are can be locked and unlocked by remote control.
1. Normal Operation
*Lock operation
When the lock SW on the transmitter is pressed, all the doors are locked.
*Unlock operation
When the unlock SW on the transmitter is pressed once, only the driver door is unlocked. When the unlock SW is pressed
again within 3 seconds, all the doors are unlocked.
2. Auto Lock Function
After all the doors are unlocked by pushing the UNLOCK SW of the transmitter, unless each of the doors is opened or the
ignition key is inserted, all the doors are locked again.
3. Wireless Door Lock Stop Function
If any of the following conditions are detected, the wireless door lock does not function.
Lock operation
*When any door is open (Door courtesy SW on)
*The ignition key is inserted into the ignition SW (Unlock warning SW on)
*Ignition SW is on
Unlock operation
*Ignition SW is on
4. Visual Confirmation of Lock or Unlock
When doors are locked by using the transmitter, the hazard light flashes once. When doors are unlocked by using the
transmitter, the hazard light flashes twice. If UNLOCK SW of the transmitter is pushed while all the doors are locked, doors
are unlocked and the interior light and ignition key cylinder light are turned on simultaneously.
5. Panic Mode Function
When the panic SW on the transmitter is pressed, the panic mode is activated. The panic mode is canceled when the unlock
SW or panic SW is pressed.
6. Repeat Function
If the lock detection signal in response to the output signal is not received after the wireless door lock ECU has output the
lock signal, the lock signal is output again.
System Outline

2005 HIGHLANDER (EWD592U)
205
D7, D8, D9, D10 Door Courtesy SW Front LH, RH, Rear LH, RH
1-Ground : Continuity with the door open
D12 Door Key Lock and Unlock SW,Door Lock Motor and Door Unlock Detection Front LH
5-Ground : Approx. 12 volts with the door lock motor at lock operate
6-Ground : Approx. 12 volts with the door lock motor at unlock operate
4-2 : Closed with the door lock cylinder locked with key
3-2 : Closed with the door lock cylinder unlocked with key
D13 Door Key Lock and Unlock SW Door Lock Motor and Door Unlock Detection Front RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
3-5 : Closed with the door lock cylinder locked with key
4-5 : Closed with the door lock cylinder unlocked with key
D14 Door Lock Motor and Door Unlock Detection SW Rear LH
3-Ground : Approx. 12 volts with the door lock motor at lock operate
4-Ground : Approx. 12 volts with the door lock motor at unlock operate
D15 Door Lock Motor and Door Unlock Detection SW Rear RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
B15 Back Door Lock Motor and Back Door Unlock Detection SW
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
W6 Wireless Door Lock ECU
5-Ground : Always approx. 12 volts
1-Ground : Always continuity
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A10A42D1144J1643
A11B42D1244J1844
A1742D1344J1944
B9A42D1444K443
B10B42D1544O544
B11C42E642P544
B12D42G543R1245
B1544I1443S30A43
C11A42I1644S31B43
C12B42J543T443
D342J643T743
D744J1044T843
D844J1244W539 (3MZ-FE)
D944J1344W541 (2AZ-FE)
D1044J1444W645
Service Hints