1991 LEXUS SC400 relay

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Page 3973 of 4087

LEXUS SC400 1991  Service Repair Manual 
OVERALL ELECTRICAL WIRING DIAGRAM
1234
14 LEXUS SC300
1J
41J 7 1J
5
2
44
11
1B
4
441K
13 4 1A
52
22
3 1
4
2
3
2
4
1
5 22
13 IE1
2Bb1
10 IG2
16 IG1
3232
4
ACC
IG1
ST1
AM1 3
2
2 1
IF BL Bk EB
4Bb1
3H
1

Page 3977 of 4087

LEXUS SC400 1991  Service Repair Manual 
OVERALL ELECTRICAL WIRING DIAGRAM
1234
17 LEXUS SC300 (
Cont . ne xt pa ge )
4 ACC
IG1
ST1
AM1 3
2
1J
7 1B
21J 51J822
1B
51E 11
1E
51K 7 1K
13 1I 14 22
1H
10
1B
4
1
4 9IJ1 4IJ19IE1
8BY1 8 BT1 14 IE1

Page 3978 of 4087

LEXUS SC400 1991  Service Repair Manual 
567 8
17 LEXUS SC300(
Cont  d )
1I
16 4 4
1D
8 44
16 IF2 18 IF2 18 IP1 6 IP1 15 IP1
7IF2 7IP1 20IP1
1D
10
1J
1
IF IJ
645 546 312 213
MM 16 BX1 9 BX1 8 BX1 2 BX1 11 BX1 15 BX1 3 BX1
7 BY13A
6
3E
7
24

Page 3979 of 4087

LEXUS SC400 1991  Service Repair Manual 
OVERALL ELECTRICAL WIRING DIAGRAM
1234
18 LEXUS SC300
1J
7 2
3 1J
5
1B
4 2
4 1C
6
4
ACC
IG1
ST1
AM1 2
4
7 9A 10A
8BS1
10 19 22 25 23 18 12 11 24 6 1 394 105
416 5
612
4B 5A 12A 5B 12B 8A 8B 1B 6B 2B

Page 3980 of 4087

LEXUS SC400 1991  Service Repair Manual 
1234
19 LEXUS SC300
4ACC
IG1
ST1
AM1 3
2
3BV1
2 BV2 1 BV2 6 IQ2 7 I Q2 4 BV2 3 BV2 10 BV2 9 BV2 6 BV1 5 BV1 4 BV1
10 I F2 1 IF22IG2 1IG2 11Bc2 12Bc2
10 BV1
11 IQ2 3 IQ1
7 BV2 2 BV1 19 BV1 7 BV1 18 BV

Page 3981 of 4087

LEXUS SC400 1991  Service Repair Manual 
OVERALL ELECTRICAL WIRING DIAGRAM
1234
20 LEXUS SC300 (
Cont . ne xt pa ge )
4 ACC
IG1
ST1
AM1 3
2
1J
7
1B
4
5
BV3 4
BV3 15
BV3 14
BV3 13
BV3 12
BV3 1
BV3 8
BV3 11
BV3 10
BV3 3
BV3 2
BV3 16
BV3 10
BV

Page 3982 of 4087

LEXUS SC400 1991  Service Repair Manual 
567 8
20 LEXUS SC300(
Cont  d )
2
MUTE
5 RU±1
RU+
9
WF±
10WF+
6
AMP 8
GN D 3
B 4
ACC 7
E 6 BV2 5 BV2 2 IG2 1 IG2
11 BC2 12 BC2
10 IF2 1 IF2
6 IQ2 7 IQ2
1B FR+ 2B
FL +
5B
FR± 6B
FL ± 3B
RR+ 4B
RR

Page 3983 of 4087

LEXUS SC400 1991  Service Repair Manual 
OVERALL ELECTRICAL WIRING DIAGRAM
1234
21 LEXUS SC300 (
Cont . ne xt pa ge )
4 ACC
IG1
ST 1
IG2
AM1
3
2
6
11 AM2
1J
7
1B
4 16 IE1
20 IK110 IK2
1IE1
1J
31J 51J821B 2
1E
1E
18
1E 1H1E 2 1E
131B
IG1 20