TOYOTA SUPRA 1995 Service Repair Manual

SERVOMOTOR
AIR INLET SERVOMOTOR REMOVAL
1. REMOVE INSTRUMENT PANEL
(See page BO±45)
2. REMOVE AIR INLET SERVOMOTOR
(a) Disconnect the connector.
(b) Disconnect the control link.
(c) Remove the 3 screws and the air inlet servomotor.
AIR INLET SERVOMOTOR INSPECTION
(See page AC±47)
AIR INLET SERVOMOTOR
INSTALLATION
Installation is in the reverse order of removal.
AIR MIX SERVOMOTOR REMOVAL
1. REMOVE INSTRUMENT PANEL
(See page BO±45)
2. REMOVE AIR MIX SERVOMOTOR
(a) Remove the defroster duct.
(b) Remove the 3 screws and the water valve cover.
(c) Disconnect the connector.
(d) Disconnect the control link.
(e) Remove the 2 screws and the air mix servomotor.
AIR MIX SERVOMOTOR INSPECTION
(See page AC±47)
AIR MIX SERVOMOTOR INSTALLATION
Installation is in the reverse order of removal.
± AIR CONDITIONING SYSTEMSERVOMOTORAC±101

AIR OUTLET SERVOMOTOR REMOVAL
1. REMOVE INSTRUMENT PANEL
(See page BO±45)
2. REMOVE AIR OUTLET SERVOMOTOR
(a) Disconnect the connector.
(b) Remove the 3 screws and the air outlet servomotor.
AIR OUTLET SERVOMOTOR
INSPECTION
(See page AC±51)
AIR OUTLET SERVOMOTOR
INSTALLATION
Installation is in the reverse order of removal. AC±102
± AIR CONDITIONING SYSTEMSERVOMOTOR

PRESSURE SWITCH
PRESSURE SWITCH REMOVAL
1. DISCHARGE REFRIGERANT IN REFRIGERATION
SYSTEM
2. REMOVE PRESSURE SWITCH
(a) Disconnect the connector.
(b) Remove the pressure switch from the liquid tube.
HINT: Lock the pressure switch mount on the tube with an
open end wrench, being careful not to deform the tube, and
remove the switch.
PRESSURE SWITCH INSPECTION
(See page AC±41)
PRESSURE SWITCH INSTALLATION
1. INSTALL PRESSURE SWITCH
(a) Install the pressure switch to the liquid tube.
Torque: 10 NVm (100 kgfVcm, 7 ftVlbf)
HINT: Lock the switch mount on the tube with an open end
wrench, being careful not to deform the tube, and install the
switch.
(b) Connect the connector.
2. EVACUATE AIR IN REFRIGERATION SYSTEM AND
CHARGE WITH REFRIGERANT
Specified amount:
700 + 50 g (24.96 + 1.76 oz.)
3. INSPECTION FOR LEAKAGE OF REFRIGERANT
Using a gas leak tester, check for leakage of refrigerant from
the pressure switch.
4. INSPECT A/C OPERATION
± AIR CONDITIONING SYSTEMPRESSURE SWITCHAC±103

SENSOR
REVOLUTION DETECTING SENSOR
REMOVAL
1. REMOVE COMPRESSOR
(See page AC±86)
2. REMOVE REVOLUTION DETECTING SENSOR
Remove the 2 bolts and the revolution detecting sensor.
Torque: 6.0 NVm (60 kgfVcm, 52 in.Vlbf)
REVOLUTION DETECTING SENSOR
INSPECTION
(See page AC±39)
REVOLUTION DETECTING SENSOR
INSTALLATION
Installation is in the reverse order of removal.
SOLAR SENSOR REMOVAL
1. REMOVE INSTRUMENT PANEL
(See page BO±45)
2. REMOVE SOLAR SENSOR
Disconnect the harness and pull the solar sensor upward
from instrument panel.
SOLAR SENSOR INSPECTION
(See page AC±36)
SOLAR SENSOR INSTALLATION
Installation is in the reverse order of removal.
ROOM TEMPERATURE SENSOR
REMOVAL
1. REMOVE CENTER CLUSTER PANEL
(See page BO±45)
2. REMOVE ROOM TEMPERATURE SENSOR
(a) Disconnect the connector.
(b) Remove the aspirator hose.
(c) Remove the 2 screws and the room temperature sensor. AC±104
± AIR CONDITIONING SYSTEMSENSOR

ROOM TEMPERATURE SENSOR
INSPECTION
(See page AC±28)
ROOM TEMPERATURE SENSOR
INSTALLATION
Installation is in the reverse of removal.
EVAPORATOR TEMPERATURE SENSOR
REMOVAL
1. REMOVE EVAPORATOR
(See page AC±82)
2. REMOVE EVAPORATOR TEMPERATURE SENSOR
Pull out the evaporator temperature sensor from the evapo-
rator.
EVAPORATOR TEMPERATURE SENSOR
INSPECTION
(See page AC±32)
EVAPORATOR TEMPERATURE SENSOR
INSTALLATION
Installation is in the reverse order of removal.
AMBIENT TEMPERATURE SENSOR
REMOVAL
REMOVE AMBIENT TEMPERATURE SENSOR
(a) Remove the ambient temperature sensor from the bumper
reinforcement.
(b) Disconnect the connector.
AMBIENT TEMPERATURE SENSOR
INSPECTION
(See page AC±30)
AMBIENT TEMPERATURE SENSOR
INSTALLATION
Installation is in the reverse order of removal.
± AIR CONDITIONING SYSTEMSENSORAC±105

ENGINE COOLANT TEMPERATURE
SENSOR REMOVAL
1. REMOVE AIR CONDITIONING UNIT
(See page AC±80)
2. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
(a) Disconnect the connector.
(b) After pulling off the clamp, pull out the sensor.
ENGINE COOLANT TEMPERATURE
SENSOR INSPECTION
(See page AC±34)
ENGINE COOLANT TEMPERATURE
SENSOR INSTALLATION
Installation is in the reverse order of removal. AC±106
± AIR CONDITIONING SYSTEMSENSOR

ELECTRIC COOLING FAN
ON±VEHICLE INSPECTION
Condenser Fan:
1. INSPECT CONDENCER
(a) Disconnect the fan connector.
(b) Connect battery and ammeter to the cooling fan connector.
(c) Check that the condenser fan rotates smoothly, and check
the reading on the ammeter.
Standard amperage:
6.0±7.4 A
(d) Reconect the fan connector.
2. CONNECT NEGATIVE (±) TERMINAL CABLE TO
BATTERY
Radiator Fan:
(See page EG±353)
COOLING FAN RELAYS INSPECTION
(See page EG±356)
ECT SWITCH
(in ENGINE RADIATOR)
(See page EG±356)
± AIR CONDITIONING SYSTEMELECTRIC COOLING FANAC±107

RELAY
HEATER MAIN RELAY
HEATER MAIN RELAY REMOVAL
1. REMOVE JUNCTION BLOCK NO. 2 COVER
Remove the 2 clips and the junction block No. 2 cover.
2. REMOVE HEATER MAIN RELAY
HEATER MAIN RELAY INSPECTION
(See page AC±59)
HEATER MAIN RELAY INSTALLATION
Installation is in the reverse order of removal.
MAGNETIC CLUTCH RELAY
MAGNETIC CLUTCH RELAY REMOVAL
1. REMOVE JUNCTION BLOCK NO. 2 COVER
Remove the 2 clips and the junction block No. 2 cover.
2. REMOVE MAGNETIC CLUTCH RELAY
MAGNETIC CLUTCH RELAY
INSPECTION
(See page AC±65)
MAGNETIC CLUTCH RELAY
INSTALLATION
Installation is in the reverse order of removal. AC±108
± AIR CONDITIONING SYSTEMRELAY

AIR CONDITIONING AMPLIFIER
AIR CONDITIONING AMPLIFIER
REMOVAL
1. REMOVE CENTER CLUSTER PANEL
(See page BO±45)
2. REMOVE RADIO WITH AIR CONDITIONING AMPLIFIER
(a) Remove the 4 screws and radio with the air conditioning
amplifier.
(b) Disconnect the connectors.
3. REMOVE AIR CONDITIONING AMPLIFIER FROM RADIO
(a) Remove the 4 screws and the 4 bolts.
(b) Remove the air conditioning amplifier from radio.
AIR CONDITIONING AMPLIFIER
INSPECTION
(See page AC±23)
AIR CONDITIONING AMPLIFIER
INSTALLATION
Installation is in the reverse order of removal.
± AIR CONDITIONING SYSTEMAIR CONDITIONING AMPLIFIERAC±109

AIR CONDITIONING CONTROL
ASSEMBLY
AIR CONDITIONING CONTROL
ASSEMBLY REMOVAL
1. REMOVE CENTER CLUSTER PANEL
(See page BO±45)
2. REMOVE AIR CONDITIONING CONTROL ASSEMBLY
(a) Disconnect the connector.
(b) Remove the 3 screws and the air conditioning control
assembly.
AIR CONDITIONING CONTROL
ASSEMBLY INSPECTION
(See page AC±66)
AIR CONDITIONING CONTROL
ASSEMBLY INSTALLATION
Installation is in the reverse order of removal. AC±110
± AIR CONDITIONING SYSTEMAIR CONDITIONING CONTROL ASSEMBLY