LEXUS SC400 1991 Service Repair Manual

LEXUS SC400 1991 Service Repair Manual SC400 1991 LEXUS LEXUS https://www.carmanualsonline.info/img/36/57051/w960_57051-0.png LEXUS SC400 1991 Service Repair Manual
Trending: Parking Brake Boot, belt, mirror, clock setting, fuel pump, high beam, wiring diagram

Page 4011 of 4087

LEXUS SC400 1991  Service Repair Manual 
163
P 8  POWER SEAT CONTROL SW (FOR DRIVERS SEAT)
12±GROUND :ALWAYS CONTINUITY 7±GROUND :ALWAYS APPROX.  12 VOLTS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
P 832P1432P1632
P1332P1532P1

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LEXUS SC400 1991  Service Repair Manual 
154
POWER SEAT (w/ DRIVING POSITION MEMORY)
PRND 2 L146578 9
GR
R±B
L
G±W G
W
A/T INDICATOR SW
[NEUTRAL START SW AND BACK±UP LIGHT SW]
N1
IT1
12
1I
10 1H 12
1C
10 1H
1
A
6
STOP A
15
P
A
3 RCL+
A
1

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LEXUS SC400 1991  Service Repair Manual 
155
M
21
M
21
M
21
IH IF
6 3
214
3
12
11
2
1
9
8 3
B
18 SGND
B
8 SI
B
17 SO
A
2
SLD+ A
9
SLD± A
4
FRV+ A
11
FRV± A
13
RRV+ A
12
RRV±
1D
8
1J
1
Ba1
4Ba1 9
Ba2
13 1I
16
1D
10
BT1
11 BT1 12 IF1 12 IF

Page 4014 of 4087

LEXUS SC400 1991  Service Repair Manual 
156
POWER SEAT (w/ DRIVING POSITION MEMORY)
REARFRONT
M
12
BK
A
8 GND2
A
1 GND
B
1 SLDF
B
9 SLDR
B
3 FUP
B
11 FDWN
B
4 RUP
B
12 RDWN
B
2 RCLF
B
10 RCLR
B
9
SYSB
A
7
IG A
14
+B2 A
+B A
5
1B
5
1C
1
1C

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LEXUS SC400 1991  Service Repair Manual 
157
2 1
1
2 1
42
3
56 2
134
1 12151310 2 113
86516717 13 2
BX1
4
BX1
17 Bb1
6
Bb1
5 B29 B30
B29
B29
M
12
M
21
BL
Bb1
4
+B SLDF SLDR GND SLD+ SLD±
L±W
W±BBR
BR BR BR
BR
R
L± W
W±B
W±B W±B Y±R

Page 4016 of 4087

LEXUS SC400 1991  Service Repair Manual 
158
POWER SEAT (w/ DRIVING POSITION MEMORY)
CURRENT IS ALWAYS APPLIED FROM THE DOME FUSE TO  TERMINAL SYSB  OF THE POWER SEAT ECU, FROM  DOOR FUSE TO
TERMINAL +B  OF THE POWER SEAT ECU AND FROM  STOP

Page 4017 of 4087

LEXUS SC400 1991  Service Repair Manual 
159
RETURN OPERATION
WHEN THE SEAT BACK IS RAISED UP FROM THE WALK±IN POSITION AND RETURNED TO THE UPRIGHT LOCK POSITION,
RECLINING LIMIT SWITCH NO. 1 OPERATES AND A SIGNAL IS INPUT TO TERMINAL RRSW

Page 4018 of 4087

LEXUS SC400 1991  Service Repair Manual 
160
POWER SEAT (w/ DRIVING POSITION MEMORY)
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
B532P11B32R1932
D1030P1232R2032
D1230P1332S1232
F1932P1432S1932
N 127P1532S2029
P 329P1632S2132
P 832

Page 4019 of 4087

LEXUS SC400 1991  Service Repair Manual 
161 
WhereEverybodyKnowsYourName

Page 4020 of 4087

LEXUS SC400 1991  Service Repair Manual 
164POWER TILT AND POWER TELESCOPIC
1H
15 1K 13 2
1H
10 1B
5
AAB
B±R
L±W
RR
30A
POWER 15A
ECU±IG10A
DOME
4118 +B I G ECU ± B TILT AND POWER TELESCOPIC ECU
FROM POWER SOURCE SYSTEM
(
SEE PAGE 56 )
Trending: bulb, Throttle Position, parking brake, fuel type, horn, automatic transmission fluid, engine oil