2003 LEXUS LS430 Factory Repair Manual

Page 4289 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 101: Installing Cap To Modulator 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
15.INSTALL LIQUID TUBE SUB-ASSY A 
a. Remove the attached vinyl tape from the tube and connecting part of the coole

Page 4290 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 102: Installing Liquid Tube Sub-Assy A 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
16.INSTALL DISCHARGE HOSE SUB-ASSY NO. 1 
a. Remove the attached vinyl tape from the tube and connecting part

Page 4291 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 103: Installing Discharge Hose Sub-Assy No. 1 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
17.CONNECT NEGATIVE TERMINAL CABLE TO BATTERY  
18.CHARGE REFRIGERANT (See REPLACEMENT
 )  
19.WARM UP

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LEXUS LS430 2003  Factory Repair Manual d. Check expansion valve.  
If the expansion valve is faulty, the low pressure reading will drop to 0kPa (0 kgf cm
2 , 0 psi). 
HINT: 
When the lower pressure drop to 0kPa (0 kgf cm
2 , 0 psi), feel t

Page 4293 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 104: Identifying Rear Air Conditioning Unit Assy Components And Replacements (1 Of 2) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Page 4294 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 105: Identifying Rear Air Conditioning Unit Assy Components And Replacements (2 Of 2) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Page 4295 of 4500

LEXUS LS430 2003  Factory Repair Manual INSPECTION 
1.INSPECT REAR BLOWER MOTOR CIRCUIT (See REAR BLOWER MOTOR CIRCUIT
 )  
2.EXHAUST DAMPER CONTROL SERVOMOTOR CIRCUIT (See EXHAUST DAMPER 
CONTROL SERVOMOTOR CIRCUIT )  
3.INSPECT REAR MAGNE

Page 4296 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 106: Inspecting Cooling Box Lamp Sub-Assy 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OVERHAUL 
HINT: 
Installation is in the reverse order of removal.  
See COMPONENTS .  
1.EVACUATE REFRIGER