TOYOTA SUPRA 1997 Service Repair Manual

AC0QV-01
N08400
N08401
N08402
I03526
- AIR CONDITIONINGHEATER RADIATOR
AC-51
2199 Author
: Date
:
1997 SUPRA (RM502U)
HEATER RADIATOR
REMOVAL
1. REMOVE AIR CONDITIONING UNIT
(See page AC-25)
2. REMOVE HEATER RADIATOR AND WATER VALVE
(a) Remove the 2 screws and the plate.
(b) Remove the 2 screws and the clamp.
(c) Remove the 3 screws.
(d) Pull out the heator with the water valve.
(e) Remove the 2 screws and water valve from the heater ra-
diator.

AC0QY-01
AC-54
- AIR CONDITIONINGEXPANSION VALVE
2202 Author
: Date
:
1997 SUPRA (RM502U)
EXPANSION VALVE
ON-VEHICLE INSPECTION
1. CHECK QUANTITY OF GAS DURING REFRIGERATION CYCLE
2. SET ON MANIFOLD GAUGE SET
(See page AC-18)
3. RUN ENGINE
(a) Run the engine at 1,500 rpm for at least 5 minutes.
(b) Then check that the high pressure reading is 1.37 - 1.57 MPa (14 - 16 kgf/cm
2, 199 - 228 psi).
4. CHECK EXPANSION VALVE
If the expansion valve is faulty, the low pressure reading will drop to 0 kPa (0 kgf/cm
2, 0 psi).
HINT:
When the low pressure drops to 0 kPa (0 kgf/cm
2, 0 psi), check the receiver's IN and OUT sides for no tem-
perature difference.

AC0QZ-01
N08398
Expansion valve
- AIR CONDITIONINGEXPANSION VALVE
AC-55
2203 Author
: Date
:
1997 SUPRA (RM502U)
REMOVAL
1. REMOVE EVAPORATOR
(See page AC-47)
2. REMOVE EXPANSION VALVE
Using a hexagon wrench, remove the 2 bolts and separate the
evaporator and expansion valve.
Torque: 5.4 N´m (55 kgf´cm, 48 in.´lbf)
HINT:
At the time of installation, please refer to the following item.
Lubricate 4 new O-rings with compressor oil and install the
tubes.

AC0R1-01
N19660
- AIR CONDITIONINGWATER VALVE
AC-57
2205 Author
: Date
:
1997 SUPRA (RM502U)
WATER VALVE
REMOVAL
1. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not to drain out all coolant.
2. REMOVE INSTRUMENT PANEL
(See page BO-54)
3. REMOVE AIR MIX SERVOMOTOR
(See page AC-65)
4. REMOVE WATER VALVE
Remove the 5 screws and water valve.

N08734
AC0R3-01
N08738
- AIR CONDITIONINGBLOWER MOTOR
AC-59
2207 Author
: Date
:
1997 SUPRA (RM502U)
BLOWER MOTOR
REMOVAL
1. REMOVE THESE PARTS:
(a) Glove compartment parts
(See page BO-54)
(b) Heater to registor No.4 duct
(c) Front door scuff plate RH
(d) ECM cover
2. REMOVE BLOWER MOTOR
(a) Slide the floor carpet backward.
(b) Disconnect the connector.
(c) Remove the 3 screws and the blower motor.

AC0R6-01
N08742
AC-62
- AIR CONDITIONINGBLOWER MOTOR CONTROL RELAY
2210 Author
: Date
:
1997 SUPRA (RM502U)
BLOWER MOTOR CONTROL
RELAY
REMOVAL
1. REMOVE BLOWER MOTOR
(See page AC-59)
2. REMOVE BLOWER MOTOR CONTROL RELAY
(a) Disconnect the connector.
(b) Remove the 3 screws and the blower motor control relay.

AC0R9-01
N08381
N16964
- AIR CONDITIONINGSERVOMOTOR
AC-65
2213 Author
: Date
:
1997 SUPRA (RM502U)
SERVOMOTOR
REMOVAL
1. REMOVE AIR INLET SERVOMOTOR
(a) Remove instrument panel.
(See page BO-54)
(b) Remove air inlet servomotor.
(1) Disconnect the connector.
(2) Disconnect the control link.
(3) Remove the 3 screws and the air inlet servomotor.
2. REMOVE AIR MIX SERVOMOTOR
(a) Remove instrument panel.
(See page BO-54)
(b) Remove air mix servomotor.
(1) Remove the defroster duct.
(2) Remove the 3 screws and the water valve cover.
(3) Disconnect the connector.
(4) Remove the 3 screws and the servomotor then dis-
connect the control link.

N08404
AC-66
- AIR CONDITIONINGSERVOMOTOR
2214 Author
: Date
:
1997 SUPRA (RM502U)
3. REMOVE AIR OUTLET SERVOMOTOR
(a) Remove instrument panel.
(See page BO-54)
(b) Remove air outlet servomotor.
(1) Disconnect the connector.
(2) Remove the 3 screws and the air outlet servomotor.

AC0RC-01
N08535
N08693
N08540
- AIR CONDITIONINGSENSOR
AC-69
2217 Author
: Date
:
1997 SUPRA (RM502U)
SENSOR
REMOVAL
1. REMOVE SOLAR SENSOR
(a) Remove instrument panel.
(See page BO-54)
(b) Remove solar sensor.
Disconnect the connector pull the solar sensor upward
from instrument panel.
2. REMOVE ROOM TEMPERATURE SENSOR
(a) Remove center cluster panel.
(See page BO-50)
(b) Remove room temperature sensor.
(1) Disconnect the connector.
(2) Remove the aspirator hose.
(3) Remove the 2 screws and the room temperature
sensor.
3. REMOVE AMBIENT TEMPERATURE SENSOR
Remove ambient temperature sensor.
(1) Remove the ambient temperature sensor from the
bumper reinforcement.
(2) Disconnect the connector.

N08382
N08399
AC-70
- AIR CONDITIONINGSENSOR
2218 Author
: Date
:
1997 SUPRA (RM502U)
4. REMOVE ENGINE COOLANT TEMPERATURE SEN-
SOR
(a) Remove air conditioning unit.
(See page AC-25)
(b) Remove engine coolant temperature sensor.
(1) Disconnect the connector.
(2) After pulling off the clamp, pull out the sensor.
5. REMOVE EVAPORATOR TEMPERATURE SENSOR
(a) Remove evaporator.
(See page AC-47)
(b) Remove evaporator temperature sensor.
Pull out the evaporator temperature sensor from the
evaporator.