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: ECU, coolant reservoir, weight, torque, diagram, clock setting, low beam

Page 3911 of 4087

LEXUS SC400 1991  Service Repair Manual 
76
ENGINE CONTROL
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A 926F1530K 329
C 326F1630N 127C13B28I 127O 327
C14A28I 227O 427C2328I 627O 831
D1326I 727P2027E 226I 827S 327
E 326I 927S1229E

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LEXUS SC400 1991  Service Repair Manual 
77
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E15I2238INSTRUMENT PANEL WIREE16I2338INSTRUMENT PANEL WIRE
E1734ENGINE WIREI32E1834ENGINE WIR

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LEXUS SC400 1991  Service Repair Manual 
78
ENGINE CONTROL 
WhereEverybodyKnowsYourName

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LEXUS SC400 1991  Service Repair Manual 
194
ELECTRIC TENSION REDUCER
1C
6 1I
8
Bb1
7
BX1
18
Bb1
4
BK BL
2 1
2
1
11
12 15 16
22
9
2 1 B±R
B±R
B
B±R
B
B
B±L
B±L
B±Y
BR
W±B
W±B
W±B
W±B
15A
ECU±IG
TE NSI ON
RE DUCER
SOLENOID LH TENS

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LEXUS SC400 1991  Service Repair Manual 
195
B 4  BUCKLE SW LH
1±2 : CLOSED WITH DRIVERS LAP BELT IN USE
B 5  BUCKLE SW RH
1±2 : CLOSED WITH PASSENGERS LAP BELT IN USE
T18, T19  TENSION REDUCER SOLENOID LH, RH
2±GROUND : APPROX.  12 VO

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LEXUS SC400 1991  Service Repair Manual 
1
FOREWORD
This wiring diagram manual has been prepared to provide
information on the electrical system of the 1992 LEXUS SC300.
Applicable models:   JZZ31 Series
For service specifications and repai

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LEXUS SC400 1991  Service Repair Manual 
METER, ANALOGCurrent flow activates a magnetic
coil which causes a needle to
move, thereby providing a relative
display against a background
calibration.
LED (LIGHT EMITTING DIODE)
Upon current flow,

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LEXUS SC400 1991  Service Repair Manual 
17
1. NORMALLYOPENOpens and
closes circuits,
thereby
stopping (1) or
allowing (2)
current flow.
RESISTOR An electrical component with a
fixed resistance, placed in a circuit
to reduce voltage to a sp

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LEXUS SC400 1991  Service Repair Manual 
236
GROUND POINT
FRONT TURN SIGNAL
LIGHT LH
ENGINE HOOD
COURTESY SW
TRACTION PUMP AND
MOTOR
HEATER RELAY
ABS ACTUATOR RELAY
TELEPHONE
TRANSCEIVER
AND SPEAKER RELAY
ENGINE OIL LEVEL
WARNING SW
COMBINA

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LEXUS SC400 1991  Service Repair Manual 
237
GLOVE BOX LIGHT SW
CIGARETTE LIGHTER
LUGGAGE COMPARTMENT
DOOR OPENER SW
COMBINATION METER
(EP )
O/D MAIN SW
RHEOSTAT
DO OR LOCK MOTOR,
DOOR UNLOCK
DETECTION SW AND
DOOR OPEN DETECTION
SW LH
MIRRO
Trending: steering, coolant, radiator, oil dipstick, air suspension, driver seat adjustment, transmission