2000 LEXUS GS400 Service Repair Manual

AC0XF±01
± AIR CONDITIONINGBLOWER MOTOR CONTROL RELAY
AC±65
2750 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSPECTION
INSPECT BLOWER MOTOR CONTROL RELAY CIRCUIT
(See page DI±1126)

AC0XG±01
AC±66
± AIR CONDITIONINGBLOWER MOTOR CONTROL RELAY
2751 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page AC±64).

AC0XH±01
I03728
I03729
I03730
± AIR CONDITIONINGSERVOMOTOR
AC±67
2752 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
SERVOMOTOR
REMOVAL
1. REMOVE AIR INLET SERVOMOTOR
(a) Remove these parts:
(1) Front door scuff plate RH
(2) Cowl side trim RH
(3) No.2 under cover
(4) Glove compartment door
(5) Glove compartment panel (See page BO±91)
(b) Disconnect the wire harness.
(c) Remove the bracket.
(1) Disconnect wire harness clamp.
(2) Remove the 2 bolts and bracket.
(d) Remove the air inlet servomotor.
(1) Disconnect the connector.
(2) Remove the 3 screws and servomotor.

I03731
I02400
AC±68
± AIR CONDITIONINGSERVOMOTOR
2753 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
2. REMOVE AIR MIX SERVOMOTOR (Driver Side)
(a) Remove these parts:
(1) No.1 under cover
(2) No.1 safety pad (See page BO±91)
(b) Remove the air mix servomotor.
(1) Disconnect the connector.
(2) Remove the 3 screws and servomotor.
3. REMOVE AIR MIX SERVOMOTOR (Passenger Side)
(a) Remove heater radiator (See page AC±55).
(b) Remove the air mix servomotor.
(1) Disconnect the connector.
(2) Remove the 3 screws and servomotor.

I03732
I03733
± AIR CONDITIONINGSERVOMOTOR
AC±69
2754 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
4. REMOVE AIR OUTLET SERVOMOTOR
(a) Remove these parts:
(1) No. 2 under cover
(2) Glove compartment door
(3) Glove compartment panel (See page BO±91)
(b) Remove the air duct.
Remove the 3 screws and air duct.
(c) Remove air outlet servomotor.
(1) Disconnect the connector.
(2) Remove the 2 screws and servomotor.

AC0XI±01
AC±70
± AIR CONDITIONINGSERVOMOTOR
2755 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSPECTION
1. INSPECT AIR INLET DAMPER POSITION SENSOR CIRCUIT
(See page DI±1099)
2. INSPECT AIR INLET SERVOMOTOR OPERATION
(See page DI±1111)
3. INSPECT AIR MIX DAMPER POSITION SENSOR CIRCUIT
(See page DI±1096)
4. INSPECT AIR MIX SERVOMOTOR OPERATION
(See page DI±1108)
5. INSPECT AIR OUTLET DAMPER POSITION SENSOR CIRCUIT
(See page DI±1102)
6. INSPECT AIR OUTLET SERVOMOTOR OPERATION
(See page DI±1114)

AC0XJ±01
± AIR CONDITIONINGSERVOMOTOR
AC±71
2756 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page AC±67).

I03734
AC0XK±01
I03735
Front Side
I03736
AC±72
± AIR CONDITIONINGSENSOR
2757 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
SENSOR
REMOVAL
1. REMOVE SOLAR SENSOR
Using a screw driver, pull out the sensor and disconnect the
connector.
HINT:

Tape the screwdriver tip before use.

At the time of installation, please refer to the following
item.
Insert the sensor to instrument panel as shown in the il-
lustration.
2. REMOVE ROOM TEMPERATURE SENSOR
(a) Remove the No. 1 under cover.
(See page BO±91)
(b) Remove the room temperature sensor.
(1) Remove the No.1 safety pad set bolts and screws.
(2) Disconnect the connector and aspirator hose.
(3) Remove the screw and sensor.