1991 LEXUS SC400 Service Repair Manual

Page 881 of 4087

LEXUS SC400 1991  Service Repair Manual 
(Luggage Compartment Door
Courtesy Switch)
REPLACEMENT OF LUGGAGE
COMPARTMENT DOOR COURTESY
SWITCH
1.  REMOVE COURTESY SWITCH(a)  Remove the opening trim.
(b)  Remove a bolt and disconnect connector.

Page 882 of 4087

LEXUS SC400 1991  Service Repair Manual 
TROUBLESHOOTING 
Interior Light System
You will find the cause of trouble more easily using the table shown below. In this table, the numbers indicate
the order priority of the causes in the trouble.

Page 883 of 4087

LEXUS SC400 1991  Service Repair Manual 
WIPER AND WASHER SYSTEM
DESCRIPTION
The component parts of this system and their functions are described in the\
 following table.
Parts NameFunction
Wiper Switch
This switch changes the current from

Page 884 of 4087

LEXUS SC400 1991  Service Repair Manual 
Parts Location (Contd)
±
BODY ELECTRICAL SYSTEM Lighting SystemBE±85 
WhereEverybodyKnowsYourName

Page 885 of 4087

LEXUS SC400 1991  Service Repair Manual 
Wiring And Connector Diagrams
BE±86±
BODY ELECTRICAL SYSTEM Wiper and Washer System 
WhereEverybodyKnowsYourName

Page 886 of 4087

LEXUS SC400 1991  Service Repair Manual 
Parts Inspection
(Wiper Motor and Link Assembly)
COMPONENTS
±
BODY ELECTRICAL SYSTEM Lighting SystemBE±87 
WhereEverybodyKnowsYourName

Page 887 of 4087

LEXUS SC400 1991  Service Repair Manual 
REMOVAL OF WIPER MOTOR AND LINK
ASSEMBLY
1.  REMOVE WIPER ARM AND BLADE ASSEMBLY
2.  REMOVE COWL TOP LOUVER(a)  Remove hood to cowl seal.
(b)  Remove cowl louver.HINT: Raise the front side of the cow

Page 888 of 4087

LEXUS SC400 1991  Service Repair Manual 
3.  INSTALL WIPER ARM AND BLADE ASSEMBLY(a) Install the wiper arms and bl ades, and operate the
wipers once and turn the wiper switch OFF.
(b)  Adjust the installation positions of the wiper arms and