TOYOTA LAND CRUISER 1998 Factory Repair Manual
LAND CRUISER 1998
TOYOTA
TOYOTA
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TOYOTA LAND CRUISER 1998 Factory Repair Manual
Page 16 of 3115
AC1HO-05
I24786
Pressure Switch Compressor and Magnetic Clutch
Ambient Temperature Sensor
CondenserNo.1 Junction Block
HTR Relay
RR HTR Relay
MG CLT Relay
- AIR CONDITIONINGAIR CONDITIONING SYSTEM
AC-13
2738 Author: Date:
2004 LAND CRUISER (RM1071U)
LOCATION
Page 31 of 3115
AC1KT-03
I07437
Instrument Panel
Cooling Unit
Blower Unit
Reinforcement
No. 2 Brace No. 1 Brace
Blower Unit CaseAir Inlet Servomotor
Blower Motor Control Relay Blower Motor
AC-54
- AIR CONDITIONINGBLOWER UNIT
2779 Author: Date:
2004 LAND CRUISER (RM1071U)
BLOWER UNIT
COMPONENTS
Page 32 of 3115
AC1KV-03
I06712
I06771
I06713
AC-56
- AIR CONDITIONINGBLOWER UNIT
2781 Author: Date:
2004 LAND CRUISER (RM1071U)
DISASSEMBLY
1. REMOVE AIR INLET SERVOMOTOR
Remove the 3 screws and the air inlet servomotor.
2. REMOVE BLOWER MOTOR CONTROL RELAY
(a) Disconnect the connector.
(b) Remove the screw and the blower motor control relay.
3. REMOVE BLOWER MOTOR
(a) Disconnect the connector.
(b) Remove the 3 screws and the blower motor.
4. REMOVE WIRE HARNESS
Remove the screw and the wire harness.
Page 37 of 3115
I06740
AC1LH-03
N17641
12 345
- AIR CONDITIONINGBLOWER MOTOR CONTROL RELAY
AC-81
2806 Author: Date:
2004 LAND CRUISER (RM1071U)
BLOWER MOTOR CONTROL
RELAY
INSPECTION
1. REMOVE BLOWER MOTOR CONTROL RELAY
(a) Disconnect the connectors.
(b) Remove the screw and the blower motor control relay.
2. INSPECT BLOWER MOTOR CONTROL RELAY
Connect the connector to the blower motor control relay and in-
spect the wire harness side connector from the back side as
shown in the illustration.
Test condition:
Turn ignition switch to ON
Tester connectionConditionSpecified condition
1 - GroundConstantContinuity
2G dBlower speed control switch at ºLOº positionApprox. 3.5 V2 - GroundBlower speed control switch at ºM1º positionApprox. 2.2 V
3G dOperate blower motorBattery positive voltage3 - GroundBlower speed control switch at ºOFFº positionNo voltage
Blower speed control switch at ºLOº positionApprox. 3.6 V
4 - 5Blower speed control switch at ºM2º positionApprox. 8.3 V4 5
Blower speed control switch at ºHIº positionApprox. 13.0 V
If circuit is not as specified, replace the relay.
Page 38 of 3115
I06740
AC1LH-03
N17641
12 345
- AIR CONDITIONINGBLOWER MOTOR CONTROL RELAY
AC-81
2806 Author: Date:
2004 LAND CRUISER (RM1071U)
BLOWER MOTOR CONTROL
RELAY
INSPECTION
1. REMOVE BLOWER MOTOR CONTROL RELAY
(a) Disconnect the connectors.
(b) Remove the screw and the blower motor control relay.
2. INSPECT BLOWER MOTOR CONTROL RELAY
Connect the connector to the blower motor control relay and in-
spect the wire harness side connector from the back side as
shown in the illustration.
Test condition:
Turn ignition switch to ON
Tester connectionConditionSpecified condition
1 - GroundConstantContinuity
2G dBlower speed control switch at ºLOº positionApprox. 3.5 V2 - GroundBlower speed control switch at ºM1º positionApprox. 2.2 V
3G dOperate blower motorBattery positive voltage3 - GroundBlower speed control switch at ºOFFº positionNo voltage
Blower speed control switch at ºLOº positionApprox. 3.6 V
4 - 5Blower speed control switch at ºM2º positionApprox. 8.3 V4 5
Blower speed control switch at ºHIº positionApprox. 13.0 V
If circuit is not as specified, replace the relay.
Page 56 of 3115
AC1LA-03
I06764
Antenna RelayNo.1 Cooler Cover
Evaporator O-RingSuction Tube
Liquid Tube
Clamp
Instrument Panel
Evaporator Temperature SensorEvaporatorExpansion Valve
N´m (kgf´cm, in.´lbf)Grommet
: Specified torque
3.4 (35, 30)
Clamp
O-Ring
O-Ring
Non-reusable part
Tube
AC-74
- AIR CONDITIONINGFRONT A/C EVAPORATOR
2799 Author: Date:
2004 LAND CRUISER (RM1071U)
COMPONENTS
Page 62 of 3115
AC1LB-04
I06745
I07899
- AIR CONDITIONINGFRONT A/C EVAPORATOR
AC-75
2800 Author: Date:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
HINT:
At the time of installation, evacuate air from refrigeration system
and charge the system with the refrigerant and inspect for leaks
of the refrigerant.
Specified amount: 1,050 ± 50 g (37.03 ± 1.76 oz.)
2. DISCONNECT LIQUID AND SUCTION TUBES FROM
FRONT COOLING UNIT (See page AC-24)
3. REMOVE INSTRUMENT PANEL (See page BO-84)
4. REMOVE ANTENNA RELAY
(a) Disconnect the connector.
(b) Remove the 2 screws and the antenna relay.
5. REMOVE EVAPORATOR
(a) Disconnect the connector.
(b) Disconnect the connector clamp.
(c) Remove the 8 screws and the No .1 cooler cover.
(d) Pull out the evaporator.
Page 63 of 3115
AC1K5-06
I15820
Instrument Panel
Cooling UnitLiquid Tube
Clamp Suction Tube
O-Ring
Antenna Relay
No. 2 Brace No. 1 BraceReinforcement
O-RingClamp
Grommet
Tube Expansion Valve
Cooler Case
Cooler Case Evaporator Evaporator
Temperature Sensor
No. 1 Cooler Case O-Ring
O-Ring
N´m (kgf´cm, in.´lbf) : Specified Torque
Non reusable part
3.4 (35, 30)
- AIR CONDITIONINGFRONT COOLING UNIT
AC-23
2748 Author: Date:
2004 LAND CRUISER (RM1071U)
FRONT COOLING UNIT
COMPONENTS
Page 68 of 3115
I06695
I06696
- AIR CONDITIONINGFRONT COOLING UNIT
AC-25
2750 Author: Date:
2004 LAND CRUISER (RM1071U)
4. REMOVE ANTENNA RELAY
(a) Disconnect the connector.
(b) Remove the 2 screws and antenna relay.
5. REMOVE COOLING UNIT
(a) Disconnect the connector.
(b) Remove the 4 screws, 2 nuts and cooling unit.
Page 75 of 3115
I25155
AC3OX-01
N02832
3
2 1
5 4
1
43
25
AC-94
- AIR CONDITIONINGHEATER MAIN RELAY
2819 Author: Date:
2004 LAND CRUISER (RM1071U)
HEATER MAIN RELAY
INSPECTION
1. REMOVE HEATER MAIN RELAY
Remove the heater main relay.
2. INSPECT HEATER MAIN RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 - 2
3 - 4Continuity
Apply B+ between
terminals 1 and 2.3 - 5Continuity
If continuity is not as specified, replace the relay.
3. INSTALL HEATER MAIN RELAY
