1991 LEXUS SC400 Service Repair Manual

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 3850 of 4087

LEXUS SC400 1991  Service Repair Manual 
235 
WhereEverybodyKnowsYourName

Page 3851 of 4087

LEXUS SC400 1991  Service Repair Manual 
204
AUTO ANTENNA
Bc1
9Bc1 24 Bc1 23 Bc1 8 C
C
D
D
M
3614 11912134
2
1
4
5
8
6
3
78 10
5
2 7
+B IG ACC ANT+B AMP+B ANTB ANTA GND
UP DOWN S VCC SIG SGND
L±YY
R±G
BR
R±W L±B
L±GW±B
IC
SENSOR +
±

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 3854 of 4087

LEXUS SC400 1991  Service Repair Manual 
206
CELLULAR MOBILE TELEPHONE
21C6
A
A
A AB
BS1
4
Bc1
4Bc2 8Bc115 Bc2 7Bc1 6
AA
Bc1
18 B
8
2 2
PWR
PWR 11
R L±R L±R R±W
A
B
A
TAF+ RAF+ D1 6
8
7 3
8
7
2
5 D1
RAF±
RAF+
TA F±
TAF+
PH±
PH+
GND 5

Page 3855 of 4087

LEXUS SC400 1991  Service Repair Manual 
207
Bc1
17 Bc1 5Bc116 Bc1 19 Bc 1 20 Bc24Bc23
BBA BAA B
B
BCC
12 18 23 10 5 3 9
4
10
451 1
6
5 22 25 19 6 2 1
D3 GND3 GND2 MUTE RLI+ RLI± RLO+
RLO±
D3 GND2 GND1 TEL+ TEL± SP±CUT
GND AUD+ AUD± SP

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