2003 LEXUS LS430 Factory Repair Manual

Page 1721 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 90: Inspecting Seat Climate Control Blower RH (Rear Seatback) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
k.INSPECT SEAT CLIMATE CONTROLLER LH (REAR SEATBACK) 
a. Measure the resistance betwee

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LEXUS LS430 2003  Factory Repair Manual HINT: 
As the temperature increases, the resistance decreases. 
If the result is not as specified, replace the controller. 
Fig. 91: Identifying Seat Climate Controller LH Connector Terminals (Rear Se

Page 1723 of 4500

LEXUS LS430 2003  Factory Repair Manual a. Measure the resistance between the terminals when the switch is operated. 
Standard:  
TESTER CONNECTION AND SPECIFIED CONDITION 
If the result is not as specified, replace the controller. 
<002900

Page 1724 of 4500

LEXUS LS430 2003  Factory Repair Manual Standard:  
TESTER CONNECTION AND SPECIFIED CONDITION 
HINT: 
As the temperature increases, the resistance decreases. 
If the result is not as specified, replace the controller. 
m.INSPECT REAR SEAT C

Page 1725 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 93: Identifying Rear Wing Inner Heater RH Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Measure the resistance between the terminals of the rear wing inner heater LH. 
Standard:  
T

Page 1726 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 94: Identifying Rear Wing Inner Heater LH Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
c. Measure the resistance between the terminals of the rear cushion heater LH.  
Standard:  
TES

Page 1727 of 4500

LEXUS LS430 2003  Factory Repair Manual If the result is not as specified, replace the rear seat cushion heater assy LH.

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LEXUS LS430 2003  Factory Repair Manual