air condition LEXUS LS430 2003 Factory Repair Manual

Fig. 31: Identifying Air Conditioning Panel Sub-Assy Components And Replacements
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
HINT:
Installation is in the reverse order of removal.
See COMPONENTS .
1.RESTORE SHIP MODE SETTING (W/ CD CHANGER) (See PRECAUTION
)
2.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 in
REPLACEMENT
)
3.REMOVE PANEL INSTRUMENT CLUSTER FINISH LOWER (See step 27 in
REPLACEMENT
)
4.REMOVE RADIO RECEIVER ASSEMBLY W/BRACKET (See step 4 in REPLACEMENT
)
5.CONFIRM SHIP MODE (W/ CD CHANGER) (See PRECAUTION
)
6.REMOVE TEMPERATURE CONTROL SWITCH ASSY
a. Using a screwdriver, release the 2 claws and remove the temperature control switch.
HINT:
Tape the screwdriver tip before use.
b. Employ the same manner described above to the other side.
c. Disconnect the connectors.

Fig. 35: Removing Heater Control Base Brackets No. 1
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.REMOVE AIR CONDITIONER CONTROL ASSEMBLY
a. Disconnect the connector.
b. Remove the 4 screws, release the 4 claws and remove the air conditioner control assembly.

Fig. 36: Removing Air Conditioner Control Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
10.REMOVE HEATER CONTROL HOUSING
a. Remove the 2 screws, release the 4 claws and remove the heater control housin
g.

Fig. 39: Removing Heater Control Base Sub-Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
13.REMOVE AIR CONDITIONER PANEL SUB-ASSY
COMPONENTS

Fig. 40: Identifying Air Conditioning Radiator Assy Components And Replacements (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 41: Identifying Air Conditioning Radiator Assy Components And Replacements (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 45: Separating Console Box Duct No. 1
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
16.REMOVE AIR CONDITIONING RADIATOR ASSY
a. Disconnect the connectors and wire harness clamps.
b. Remove the 2 nuts, bolt and air conditioning radiator assy.

Fig. 46: Removing Air Conditioning Radiator Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
17.REMOVE HEATER CASE SUB-ASSY
a. Remove the 5 screws, release the 2 claws and remove the air vent duct.

Fig. 49: Removing Heater Case Sub-Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
18.REMOVE COOLER EXPANSION VALVE
a. Using a hexagon wrench 5 mm (0.20 in.), remove the 2 hexagon bolts and air conditioning tube
assy.

Fig. 50: Removing Hexagon Bolts (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Remove the 2 O-rings from the air conditioning tube assy.
c. Using a hexagon wrench 5 mm (0.20 in.), remove the 2 hexagon bolts and cooler expansion valve.
d. Remove the 4 O-rin
gs from the cooler expansion valve.