LEXUS GS400 2000 Service Manual PDF

AC0XB±01
I02405
± AIR CONDITIONINGBLOWER MOTOR
AC±61
2746 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
BLOWER MOTOR
REMOVAL
1. REMOVE No.2 UNDER COVER
(See page BO±91)
2. REMOVE BLOWER MOTOR
(a) Disconnect the connector.
(b) Remove the 3 screws and blower motor.

AC0XC±01
AC±62
± AIR CONDITIONINGBLOWER MOTOR
2747 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSPECTION
INSPECT BLOWER MOTOR CIRCUIT
(See page DI±1126)

AC0XD±01
± AIR CONDITIONINGBLOWER MOTOR
AC±63
2748 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page AC±61).

AC0XE±01
I02406
I02407
AC±64
± AIR CONDITIONINGBLOWER MOTOR CONTROL RELAY
2749 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
BLOWER MOTOR CONTROL
RELAY
REMOVAL
1. REMOVE THESE PARTS:
(a) Front door scuff plate RH
(b) Cowl side trim RH
(c) No.2 under cover
(d) Glove compartment door
(e) Glove compartment panel
(See page BO±91)
2. REMOVE AIR DUCT
Remove the 3 screws and duct.
3. DISCONNECT WIRE HARNESS
4. REMOVE BLOWER MOTOR CONTROL RELAY
Remove the screw and blower motor control relay, then discon-
nect the connectors.

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)