1991 LEXUS SC400 instrument panel

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Page 3849 of 4087

LEXUS SC400 1991  Service Repair Manual 
234
AUTOMATIC AIR CONDITIONER
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EB134ENGINE WIRE AND ENGINE ROOM MAIN WIRE (FRON

Page 3852 of 4087

LEXUS SC400 1991  Service Repair Manual 
4
XXXX10 4
XXXX10
BDB
R2 R2
A32
12 3
45678 A
A32
13
8X A
R4
3
89
C
R5
X23 456
7891011121314
205
A32  AUTO ANTENNA MOTOR AND RELAY
3±GROUND : ALWAYS APPROX.  12 VOLTS
6±GROUND : APPROX.  12 VOLTS WI

Page 3853 of 4087

LEXUS SC400 1991  Service Repair Manual 
101
BACK±UP LIGHT
1H
12
IJ110
IK111
BU18
B15
B15BM
YY R±B R±B R±B R±B
W±B
R±B
W±B
W±B
44
55
10A
GAUGE
R±B
W±B
BACK±UP
LIGHT SW
BACK±UP LIGHT
[REAR COMB. LIGHT]
LH RH
R10 R11
FROM POWER S

Page 3856 of 4087

LEXUS SC400 1991  Service Repair Manual 
208
CELLULAR MOBILE TELEPHONE
T16 (A)  TELEPHONE TRANSCEIVER AND SPEAKER RELAY
(A)    9±GROUND : ALWAYS APPROX.  12 VOLTS
(A)  10±GROUND : APPROX.  12 VOLTS WITH IGNITION SW AT  ACC OR ON POSITION

Page 3858 of 4087

LEXUS SC400 1991  Service Repair Manual 
61
A10(A)  ALTERNATOR
(A) 1±GROUND : 13.9±15.1 VOLTS WITH ENGINE RUNNING AT  2000 RPM AND  25°C ( 77°F)
13.5±14.3  VOLTS WITH ENGINE RUNNING AT  5000 RPM AND  11 5°C ( 239 °F)
(A)  2±GROUND :

Page 3859 of 4087

LEXUS SC400 1991  Service Repair Manual 
169
CIGARETTE LIGHTER
1E
2
3A5
3F5
3F8
1E18
3A 1
1J1
IF
FROM POWER SOUR CE SYSTEM
(
SEE PAGE 56 )
15A
CIG
CIGARETTE
LIGHTER C11
L±R L±R
W±B W±B
W±B
4 2
C11  CIGARETTE LIGHTER
2±GROUND : APPROX.

Page 3865 of 4087

LEXUS SC400 1991  Service Repair Manual 
223
COMBINATION METER
B 1  BRAKE FLUID LEVEL SW
1±2 : CLOSED WITH FLOAT DOWN
P 3  PARKING BRAKE SW
1±GROUND : CLOSED WITH PARKING BRAKE LEVER PULLED UP
O 2  OIL PRESSURE SW
1±GROUND : CLOSED WITH

Page 3866 of 4087

LEXUS SC400 1991  Service Repair Manual 
224
COMBINATION METER
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IE136ENGINE ROOM MAIN WIRE AND COWL WIRE (R/B NO. 4)
IG1