Lexus ES300 (1997 year). Manual — part 641
158
WIRELESS DOOR LOCK CONTROL
IE2
4
1
3
2
IE2
20
IF
IO2
4
IO2
3
1
IO2
20
IL
IE2
11
IE1
3
IO2
11
IO2
7
IE1
8
IO1
3
D
O
O
R
KEY
L
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D
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3
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4
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L
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D1
6
DO
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L
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M
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ND D
O
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R
UNL
O
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O
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T
RH
D1
7
A
C
A
C
A
C
B
B
B
B
G–R
L–W
R
R–W
G–R
L–W
R
R–W
L–R
L–R
L–B
L–R
L–R
L–R
L–W
Y
L–
R
Y
L–
R
Y
L–R
L–R
L
L–
W
L
L–
W
R–
G
L–
W
R–
G
R–
G
L–W
W–
B
W–
B
L
L–
W
B
A
C
15
B
1
3
4
3
2
1
B
B
C
WIRELESS DOOR LOCK ECU
W 8
J
C
J
7
J
UNC
T
IO
N
CO
NNE
CT
O
R
J3
3
JUNCTION
NNECTOR
J33
J
UNCT
IO
N
CO
NNE
CT
O
R
B
J1
2
,
J1
3
A
JUNCTION
CONNECTOR
J36
JUNCTION
CONNECTOR
J38
L–R
L–R
L–R
L–B
L–B
W–B
W–B
R–G
R–G
Y
L–R
R–G
L–W
L–B
L
L–B
R–G
R–G
W–
B
W–
B
W–
B
R–
G
W–
B
W–
B
W–
B
L
L–
W
W–
B
L–
B
W–
B
L–B
L–B
W–
B
W–
B
W–
B
W–
B
7
L–
R
11
L
L
IE2
3
JU
N
C
T
IO
N
CO
NN
J 7
R–G
B
B
B
R–G
B
B
B
A
CO
2
3
NL
O
C
K
S
W
F
R
O
LO
C
K
UN
L
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C
K
F
F
F
U
NCT
IO
N
O
NNE
CT
O
R
N
L
O
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K SW F
R
O
UN
L
O
C
K
LO
C
K
B
M
K
DE
T
E
CT
IO
N S
W
F
R
O
2
4
M
K
DE
T
E
CT
IO
N S
W
F
R
B
B
B
B
EC
T
O
R
B
1G
7
1V
3
159
G–R
L–W
R
R–W
L–R
L–R
L–B
Y
L–R
R–G
L–W
L–B
L
L–B
R–G
R–G
G–R
L–W
R
R–W
G–W
L–Y
W–B
Y
L–R
R–G
L–W
L
L–B
R–G
R–G
A
A
B
C
B
C
B
C
A
B
A
B
B
C
BQ1
4
BQ1
5
BQ1
10
D
O
O
R
L
O
CK
M
O
T
O
R
A
ND
DO
O
R
UN
L
O
C
R
L
H
D1
8
L–R
L–
Y
4
3
L–Y
L–
R
W–
B
L–
B
BR1
4
BR1
5
BR1
10
D
OOR
L
R
UN
L
O
C
R
R
H
D1
9
L–R
L–
Y
4
3
L–Y
L–
R
W–
B
L–
B
BQ1
9
BR1
9
IF3
6
IP1
1
IM
BO
B 6
IF3
2
IF3
7
IP1
3
IP1
2
L–
R
L–
Y
L–B
W–
B
W–
B
W–
B
L–B
W–
B
L–
B
L–
B
L
–B
W–
B
L–Y
L–R
G–W
L–
Y
L–Y
L–B
L–B
L–B
W–B
1
5
WIRELESS
DOOR LOCK ECU
W 8
J
UNCT
IO
N
CO
N
N
E
C
T
O
R
B
J3
4
, J3
5
A
JUNCTION
CONNECTOR
B
J12
, J13
A
L–
Y
B
A
A
C
A
C
J
UNCT
IO
N
CO
N
N
E
C
T
O
R
B
J1
0
, J1
1
A
G–
W
IF2
2
BP
13
B–R
B–R
G–
W
W–
B
W–
B
G–
W
GAGE
PARTMENT
R KEY
OCK SW
1
2
LUG
COM
DOO
UNL
L 5
M
K
DE
T
E
CT
IO
N S
W
RE
A
2
1
M
O
C
K
M
O
T
O
R
A
ND
DO
O
K
DE
T
E
CT
IO
N S
W
RE
A
2
1
JUNCT
CONN
J37
R
BN
A
ION
ECTO
160
WIRELESS DOOR LOCK CONTROL
B
18
B
9
B
3
B
11
A
1
A
7
A
4
IG
J
UNCT
IO
N
CO
N
N
E
C
T
O
R
J1
6
B
17
B
16
B
7
B
6
B
8
B
15
A
E
B
E
B
2
JU
N
C
T
IO
N
CO
NN
E
C
T
O
R
B
J1
0
,
J1
1
A
B
1
B
B
A
C
J
UNCT
IO
N
CO
NNE
CT
O
R
B
J 5
,
J 6
A
B
12
FROM POWER SOURCE SYSTEM (SEE PAGE 56)
B
13
A
A
JU
NCT
IO
N
CO
NNE
CT
O
R
J 7
2
IM1
4
A
3
IJ1
5
IG1
11
A
6
TH
E
FT D
E
TE
R
R
E
N
T
HO
RN
T 1
JU
NCT
IO
N
CO
NNE
CT
O
R
J 2
A
8
IJ1
7
THEFT DETERRENT ECU
B
T 3
, T 4
A
B–R
L–Y
G–W
R–W
R
L–W
G–R
E
LSWP
LSWD
UL3
L2
UL2
KSW
DSWD
DSWP
HEAD
Y
L–R
R–G
L–W
L
L–B
R–G
R–G
G–
B
W–
L
W
–
L
G–
B
W–
L
G–
B
R–
B
R–
B
R–
G
R–
G
R–
B
L–B
L
L–
W
R–
G
L–
R
Y
W–
B
W–
B
W–
B
B–
R
P–
L
G–
R
R
R–
W
G–
W
L–
Y
W–
B
L–
W
P–
L
B–
R
A
E
A
1
A
A
A
E
LSWR
CTY
+B1
+B2
TAIL
IG
ACC
SH
HORN
LUG
J
UNCT
IO
N
CO
N
N
E
C
T
O
R
J1
9
R–
B
1
A
2
TO
IF1
2
M
1
L
L
L
U
G
G
AG
E C
O
M
PAR
T
M
EN
T
D
O
O
R
O
PEN
E
R
M
O
T
O
R
L
7
A
F
B
D
J
UNC
T
IO
N
C
O
NNE
CT
O
R
B
J1
0
,
J1
1
A
W–
B
B
B
B–R
15A
ECU–IG
1D
8
15A
CIG
1T
1
W
10A
HORN
1
5
40A
MAIN
4
1
N R
E
L
A
Y
D R
E
L
A
Y
2
2F
3
2
3
2K
10
3
2
2K
8
HO
R
HE
A
161
DOOR LOCK CONTROL (LOCK AND UNLOCK) AND LUGGAGE COMPARTMENT DOOR CONTROL (LUGGAGE COMPARTMENT DOOR
OPEN) IS PERFORMED BY REMOTE CONTROL, WITHOUT THE IGNITION KEY INSERTED IN THE DOOR KEY CYLINDER, USING
LOW–POWER ELECTRICAL WAVE EMITTED BY A TRANSMITTER.
1. WIRELESS DOOR LOCK OR UNLOCK NORMAL OPERATION
WITH THE IGNITION KEY NOT INSERTED INTO THE IGNITION KEY CYLINDER (UNLOCK WARNING SW OFF) AND ALL THE DOORS
COMPLETELY CLOSED, WHEN THE LOCK BUTTON (TRANSMITTER) IS PUSHED, THE WIRELESS DOOR LOCK CONTROL ECU
RECEIVES THE ELECTRICAL WAVES FROM THE TRANSMITTER, CAUSING IT TO OPERATE.
AS A RESULT, THE ECU JUDGES WHETHER THE DOOR IS LOCKED OR UNLOCKED BASED ON THE SIGNAL FROM THE DOOR LOCK
MOTOR AND DOOR UNLOCK DETECTION SW, AND SENDS A SIGNAL TO THE THEFT DETERRENT AND DOOR LOCK CONTROL ECU
TO SWITCH THE CONDITION FROM LOCK TO UNLOCK OR VICE VERSA, CAUSING THE DOOR LOCK MOTOR TO OPERATE.
2. WIRELESS LUGGAGE COMPARTMENT DOOR OPEN NORMAL OPERATION
WITH THE IGNITION KEY NOT INSERTED INTO THE IGNITION KEY CYLINDER (UNLOCK WARNING SW OFF), WHEN THE LUGGAGE
COMPARTMENT DOOR OPENER BUTTON (TRANSMITTER) IS PUSHED, THE WIRELESS DOOR LOCK CONTROL ECU RECEIVES THE
ELECTRICAL WAVES FROM THE TRANSMITTER, CAUSING IT TO OPERATE.
AS A RESULT, A SIGNAL FROM THE LUGGAGE COMPARTMENT DOOR UNLOCK SW IS SENT TO THE THEFT DETERRENT ECU,
CAUSING THE LUGGAGE COMPARTMENT DOOR OPENER MOTOR TO OPERATE.
3. WIRELESS DOOR UNLOCK OPERATION
PUSHING THE UNLOCK BUTTON (TRANSMITTER) ONCE, DRIVER’S DOOR IS UNLOCKED. FURTHERMORE, PUSHING THE BUTTON
AGAIN WITHIN 3 SECONDS, THE OTHER DOORS ARE UNLOCKED.
4. AUTOMATIC LOCK OPERATION
WITH THE IGNITION KEY NOT INSERTED INTO THE IGNITION KEY CYLINDER (UNLOCK WARNING SW OFF) AND ALL THE DOORS
COMPLETELY CLOSED, AFTER PUSHING THE BUTTON (TRANSMITTER) TO UNLOCK ALL THE DOORS, IF A DOOR IS NOT OPENED
WITHIN 30 SECONDS, ALL THE DOORS WILL BE AUTOMATICALLY RELOCKED.
5. WIRELESS CONTROL STOP FUNCTION
IF A DOOR IS OPEN (DOOR COURTESY SW ON), A SIGNAL IS INPUT FROM THE DOOR COURTESY SW TO THE WIRELESS DOOR
LOCK CONTROL ECU, STOPPING WIRELESS DOOR LOCK AND WIRELESS LUGGAGE COMPARTMENT DOOR OPEN.
IF THE IGNITION KEY IS IN THE IGNITION KEY CYLINDER (UNLOCK WARNING SW ON), THE UNLOCK WARNING SW INPUTS A
SIGNAL TO THE WIRELESS DOOR LOCK CONTROL ECU, STOPPING WIRELESS DOOR LOCK OR UNLOCK AND WIRELESS
LUGGAGE COMPARTMENT DOOR OPEN.
6. DOOR LOCK MOTOR PROTECTIVE FUNCTION
IF THE DOOR LOCK OR UNLOCK CONDITION DOES NOT CHANGE AFTER WIRELESS DOOR LOCK OR UNLOCK OPERATION, 2
SECONDS LATER, THE DOOR LOCK ECU SENDS CURRENT THREE TIMES TO THE DOOR LOCK MOTOR. IF THE DOOR LOCK
CONDITION STILL HAS NOT CHANGED AS A RESULT, THE WIRELESS DOOR LOCK ECU STOPS RECEPTION AND STOPS DOOR
LOCK AND UNLOCK FUNCTION.
7. VISUAL CONFIRMATION OF LOCK OR UNLOCK FUNCTION
IF ALL DOORS INDICATE THEY ARE LOCKED AFTER THE LOCK COMMAND, TAILLIGHTS AND PARKING LIGHTS WILL FLASH ONCE.
IF ANY DOOR INDICATES IT IS OPEN AFTER THE LOCK COMMAND, TAILLIGHTS AND PARKING LIGHTS WILL FLASH TWICE.
D 9, D10, D11, D12 DOOR COURTESY SW FRONT LH, RH, REAR LH, RH
1–GROUND : CLOSED WITH THE DOOR OPEN
U 1 UNLOCK WARNING SW (IGNITION KEY)
2–1 : CLOSED WITH THE IGNITION KEY IN THE CYLINDER
W 8 WIRELESS DOOR LOCK CONTROL ECU
8–GROUND : ALWAYS APPROX. 12 VOLTS
1–GROUND : ALWAYS CONTINUITY
14–GROUND : CONTINUITY WITH EACH OF THE DOOR OPEN
10–GROUND : CONTINUITY WITH THE IGNITION KEY IN THE CYLINDER
SYSTEM OUTLINE
SERVICE HINTS
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