Lexus ES300 (1997 year). Manual — part 632
FROM POWER SOURCE SYSTEM (SEE PAGE 56)
B
C
A
A
A
1
A
3
II
10
IE2
20
L
L
L–
W
L
–
W
L
L
W–
B
R–
B
R–
G
W–
B
G
R
R
G
W–
B
W–
B
OR COURTESY
FRONT LH
J
UNC
T
IO
N
CO
NNE
CT
O
R
B
J3
4
, J3
5
A
POWER WINDOW
MOTOR FRONT LH
P1
IE1
10
L
7
A
6
B
D
A
E
IP1
7
R–
G
R–
G
R–
G
JUNCTION
CONNECTOR
B
J34
, J35
A
DOOR
COURTES
SW FRON
D10
1
IF
W–
B
W–
B
ON
CTOR
M
1
B
B
1
2
DO
SW
D 9
JUNCTION
CONNECTOR
J36
0
1
Y
T RH
A
JUNCTI
CONNE
J15
1
6
13
E
DD
DU
POWER WINDOW MASTER SW
P 9
7
L
BW
+
–+
–
1V
3
1G
7
1S
7
INTEGRATION RELAY
I14
A
6
25A
DOOR
1D
1
30A
POWER
2
3
1
5
1S
3
IJ
7
1G
5
1G
13
POWER
RELAY
1G
12
10A
GAUGE
2
124
POWER WINDOW
IE1
11
IE1
5
IE1
7
IE1
9
IE1
6
IE1
12
P11
POWER WINDOW MOTOR
FRONT RH
P12
POWER WINDOW MOTOR
REAR LH
2
1
P13
POWER WINDOW MOTOR
REAR RH
IO1
4
IO1
5
IO1
6
BQ1
2
BQ1
3
BQ1
1
BR1
2
BR1
3
BR1
1
IF2
1
IF2
5
IP1
6
IP1
8
IP1
10
12
5
10
9
11
14
A
A
A
G–
W
R–
L
G–
Y
R–
Y
G–
B
R–
B
G–
B
R–
B
R–
Y
G–
Y
R–
L
G–
W
G–
W
R–
L
G–
Y
R–
Y
L
L
G–
B
R–
B
LL
R–
B
G–
B
R–
Y
G–
Y
L
R–
L
G–
W
L
L
JUNCTION
CONNECTOR
J 4
P 9
L
L
2
3
G
R
2
1
2
3
G
R
2
1
2
3
G
R
PU
PD
RLU
RLD
RRU
RRD
POWER WINDOW MASTER SW
DO
W
N
UP
DO
W
N
UP
DO
W
N
UP
FRONT
PASSENGER’ S
REAR LH
REAR RH
DO
W
N
UP
DRIVER’ S
WINDOW
LOCK SW
4
1
P
O
W
E
R
W
INDO
W
C
O
NT
RO
L
SW F
R
O
N
T
R
H
P 6
P
O
W
E
R
W
INDO
W
C
O
NT
RO
L
SW R
E
A
R
L
H
P 7
P
O
W
E
R
W
INDO
W
C
O
NT
RO
L
SW R
E
A
R
R
H
P 8
DO
W
N
UP
5
U
D
4
1
DO
W
N
UP
5
U
D
4
1
DO
W
N
UP
5
U
D
M
M
M
125
126
POWER WINDOW
WHEN THE IGNITION SW TURNED ON, CURRENT FLOWS THROUGH THE GAUGE FUSE
TERMINAL 7 OF INTEGRATION RELAY
TERMINAL A 3
TERMINAL 1 OF THE POWER RELAY
TERMINAL 2
TO GROUND. THIS ACTIVATES THE RELAY AND
THE CURRENT FLOWING TO TERMINAL 5 OF THE RELAY FROM POWER FUSE FLOWS TO TERMINAL 3 OF THE RELAY
TERMINAL 7 OF THE POWER WINDOW MASTER SW, TERMINAL 5 OF THE POWER WINDOW CONTROL SW.
1. MANUAL OPERATION (DRIVER’S WINDOW)
WITH THE IGNITION SW TURNED ON AND WITH THE POWER WINDOW MASTER SW (FRONT LH) IN UP POSITION, THE CURRENT
FLOWING TO TERMINAL 7 OF THE POWER WINDOW MASTER SW FLOWS TO TERMINAL 6 OF THE MASTER SW
TERMINAL 1 OF
THE POWER WINDOW MOTOR
TERMINAL 2
TERMINAL 13 OF THE MASTER SW
TERMINAL 1
TO GROUND AND
CAUSES THE POWER WINDOW MOTOR TO ROTATE IN THE UP DIRECTION. THE WINDOW ASCENDS ONLY WHILE THE SW IS
BEING PUSHED. IN DOWN OPERATION, THE FLOW OF CURRENT FROM
TERMINAL 7 OF THE POWER WINDOW MASTER SW
TO TERMINAL 13 OF THE MASTER SW CAUSES THE FLOW OF CURRENT FROM TERMINAL 2 OF THE MOTOR
TERMINAL 1
TERMINAL 6 OF THE MASTER SW
TERMINAL 1
TO GROUND. FLOWING IN THE OPPOSITE DIRECTION TO MANUAL UP
OPERATION AND CAUSING THE MOTOR TO ROTATE IN REVERSE, LOWERING THE WINDOW.
2. AUTO DOWN OPERATION
WHEN THE FRONT LH WINDOW CONTROL SW IN THE POWER WINDOW MASTER SW IS PUSHED STRONGLY ON THE DOWN
SIDE, CURRENT FLOWS FROM TERMINAL 7 OF THE MASTER SW
TERMINAL 13
TERMINAL 2 OF THE POWER WINDOW
MOTOR
TERMINAL 1
TERMINAL 6 OF THE MASTER SW
TERMINAL 1
TO GROUND. BECAUSE THE HOLD CIRCUIT
INSIDE THE MASTER SW KEEPS THE RELAY ON THE DOWN SIDE ACTIVATED, THE POWER WINDOW MOTOR CONTINUES
OPERATING EVEN IF THE POWER WINDOW MASTER SW IS RELEASED. WHEN THE DRIVER’S WINDOW IS FULLY LOWERED,
THE HOLD CIRUCIT TURNS OFF AND THE RELAY ON THE DOWN SIDE TURNS OFF, SO AUTO DOWN OPERATION STOPS.
3. STOPPING OFAUTO DOWN AT DRIVER’S WINDOW
WHEN THE MANUAL SW (FRONT LH) IS PULLED TO THE UP SIDE DURING AUTO DOWN OPERATION, A GROUND CIRCUIT
OPENS IN THE MASTER SW AND CURRENT DOES NOT FLOW FROM TERMINAL 6 OF THE MASTER SW
TO TERMINAL 1, SO
THE MOTOR STOPS, CAUSING AUTO DOWN OPERATION TO STOP. IF THE MASTER SW IS PULLED CONTINUOUS, THE MOTOR
ROTATES IN THE UP DIRECTION IN MANUAL UP OPERATION.
4. MANUAL OPERATION BY POWER WINDOW SW (FRONT RH WINDOW)
WITH THE POWER WINDOW CONTROL SW (FRONT RH) PULLED TO THE UP SIDE, CURRENT FLOWING FROM TERMINAL 5 OF
THE POWER WINDOW CONTROL SW FLOWS TO TERMINAL 2 OF THE POWER WINDOW CONTROL SW
TERMINAL 2 OF THE
POWER WINDOW MOTOR
TERMINAL 1
TERMINAL 3 OF THE POWER WINDOW CONTROL SW
TERMINAL 1
TERMINAL 5 OF THE MASTER SW
TERMINAL 1
TO GROUND AND CAUSES THE POWER WINDOW MOTOR (FRONT RH) TO
ROTATE IN THE UP DIRECTION. UP OPERATION CONTINUES ONLY WHILE THE POWER WINDOW CONTROL SW IS PULLED TO
THE UP SIDE. WHEN THE WINDOW DESCENDS, THE CURRENT FLOWING TO THE MOTOR FLOWS IN THE OPPOSITE
DIRECTION, FROM TERMINAL 2 TO TERMINAL 1, AND THE MOTOR ROTATES IN REVERSE. WHEN THE WINDOW LOCK SW IS
PUSHED TO THE LOCK SIDE, THE GROUND CIRCUIT TO THE PASSENGER’S WINDOW BECOMES OPEN. AS A RESULT, EVEN IF
OPEN/CLOSE OPERATION OF THE PASSENGER’S WINDOW IS TRIED, THE CURRENT FROM TERMINAL 1 OF THE POWER
WINDOW MASTER SW IS NOT GROUNDED AND THE MOTOR DOES NOT ROTATE, SO THE PASSENGER’S WINDOW CAN NOT BE
OPERATED AND WINDOW LOCK OCCURS. FURTHERMORE REAR LH, RH WINDOW OPERATE THE SAME AS THE ABOVE
CIRCUIT.
5. KEY OFF POWER WINDOW OPERATION
WITH THE IGNITION SW TURNED FROM ON TO OFF, INTEGRATION RELAY OPERATES AND CURRENT FLOWS FROM DOOR
FUSE TO TERMINAL A 13 OF THE RELAY
TERMINAL A 3
TERMINAL 1 OF POWER RELAY
TERMINAL 2
TO GROUND
FOR ABOUT 43 SECONDS. THE SAME AS NORMAL OPERATION, THE CURRENT FLOWS FROM POWER FUSE
TERMINAL 5 OF
THE POWER RELAY
TERMINAL 3
TERMINAL 7 OF THE POWER WINDOW MASTER SW AND TERMINAL 3 OF THE POWER
RELAY
TO TERMINAL 5 OF THE POWER WINDOW CONTROL SW. AS A RESULT, FOR ABOUT 43 SECONDS AFTER THE
IGNITION SW IS TURNED OFF, THE FUNCTIONING OF THIS RELAY MAKES IT POSSIBLE TO RAISE AND LOWER THE POWER
WINDOW. ALSO, BY OPENING THE FRONT DOOR (DOOR OPEN DETECTION SW ON) WITHIN ABOUT 43 SECONDS AFTER
TURNING THE IGNITION SW TO OFF, A SIGNAL IS INPUT TO TERMINALS A 6 OR 6 OF INTEGRATION RELAY. AS A RESULT, THE
RELAY TURNS OFF AND UP AND DOWN MOVEMENT OF THE POWER WINDOW STOPS.
SYSTEM OUTLINE
127
P 9
POWER WINDOW MASTER SW
1
7–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
1
1–GROUND : ALWAYS CONTINUITY
1
6–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW ON AND MASTER SW (FRONT LH WINDOW) UP
13–GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW ON AND MASTER SW (FRONT LH WINDOW) AT DOWN OR
AUTO DOWN POSITION
WINDOW LOCK SW
OPEN WITH WINDOW LOCK SW AT LOCK POSITION
: PARTS LOCATION
CODE
SEE PAGE
CODE
SEE PAGE
CODE
SEE PAGE
D 9
J35
B
P10
D10
J36
P11
I14
A
P 6
P12
J 4
P 7
P13
J15
P 8
J34
A
P 9
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE
SEE PAGE
JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1D
INSTRUMENT PANEL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)
1G
INSTRUMENT PANEL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)
1J
COWL WIRE AND INSTRUMENT PANLE J/B (LOWER FINISH PANEL)
1S
FLOOR WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)
1V
COWL WIRE AND INSTRUMENT PANEL J/B (LOWER FINISH PANEL)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE
SEE PAGE
JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IE1
FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IE2
FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IF2
FLOOR WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
I01
38
FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IP1
38
FLOOR NO.2 WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
BQ1
40
REAR DOOR LH WIRE AND FLOOR WIRE (LEFT CENTER PILLAR)
BR1
40
REAR DOOR RH WIRE AND FLOOR NO.2 WIRE (RIGHT CENTER PILLAR)
: GROUND POINTS
CODE
SEE PAGE
GROUND POINTS LOCATION
IF
COWL SIDE PANEL LH
II
INSTRUMENT PANEL BRACE LH
SERVICE HINTS
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