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
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Page 541 of 4087

LEXUS SC400 1991  Service Repair Manual 
Parts Inspection
(Power Window Master Switch)
REMOVAL AND INSTALLATION OF
POWER WINDOW MASTER SWITCH
(See page BO±33)
INSPECTION OF POWER WINDOW
MASTER SWITCH
INSPECT POWER WINDOW MASTER SWITCH
(Con

Page 542 of 4087

LEXUS SC400 1991  Service Repair Manual 
(c)  Set the window lock switch to the lock position, checkthat all the passengers power window switch
illuminations go out.
If operation is not as specified, replace the master switch.
(One Touch P

Page 543 of 4087

LEXUS SC400 1991  Service Repair Manual 
(Switch Circuit)
Disconnect  the connector from the master switch and inspect
the connector on the wire harness side as shown.
Check forTester connectionConditionSpecified value
Voltage9±GroundIgnit

Page 544 of 4087

LEXUS SC400 1991  Service Repair Manual 
(Power Window Main Relay)
REMOVAL AND INSTALLATION OF
POWER WINDOW MAIN RELAY
(See page BE±16)
INSPECTION OF POWER WINDOW MAIN
RELAY
INSPECT POWER WINDOW MAIN RELAY
(Continuity)
Inspect relay contin

Page 545 of 4087

LEXUS SC400 1991  Service Repair Manual 
(Left Side Motor/Circuit Breaker Operation)
Driver s Door
(a)  Disconnect the connector from the master switch.
(b) Connect  the positive (+) lead from the battery to terminal
9 and the negative (±

Page 546 of 4087

LEXUS SC400 1991  Service Repair Manual 
(Right Side Door Motor/Motor Operation)
(a) Connect  the positive (+) lead from the battery to terminal
1 and the negative (±) lead to terminal 2, check that the
motor turns clockwise.
(b)  Re ve rs

Page 547 of 4087

LEXUS SC400 1991  Service Repair Manual 
(Circuit)
(a)  Disconnect the connector from the motor.
(b)  Connect  the connector to the master switch and powerwindow switch.
(c) Inspect the c onnector on the wire harness side as
shown.
Check fo

Page 548 of 4087

LEXUS SC400 1991  Service Repair Manual 
INSPECTION OF THEFT DETERRENT
AND DOOR LOCK CONTROL ECU
INSPECT THEFT DETERRENT AND DOOR LOCK CONTROL
ECU(Circuit)
(a)  Inspect ECU Power Source Circuit.(See page  BE±376)
(b)  Inspect Actuator Powe

Page 549 of 4087

LEXUS SC400 1991  Service Repair Manual 
Troubleshooting
You will find the cause of trouble more easily by properly using the table \
shown below. In this table, the
numbers indicate the order of priority of the causes of trouble. Check eac

Page 550 of 4087

LEXUS SC400 1991  Service Repair Manual 
LIQUID CRYSTAL INNER MIRROR
SYSTEM
Description
The liquid crystal inner mirror replaces the previous mirror, which mechanically switched between the ªDayº and
ªNightº settings, with liquid crysta
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