TOYOTA LAND CRUISER 1998 Factory Owner's Guide

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

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.

AC1KW-05
- AIR CONDITIONINGBLOWER UNIT
AC-57
2782 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT AIR INLET SERVOMOTOR OPERATION (See page DI-1357)
2. INSPECT AIR INLET DAMPER POSITION SENSOR CIRCUIT (See page DI-1348)

AC1KY-02
- AIR CONDITIONINGBLOWER UNIT
AC-59
2784 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSTALLATION
Installation is in the reverse of removal (See page AC-55).

AC1KX-02
AC-58
- AIR CONDITIONINGBLOWER UNIT
2783 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REASSEMBLY
Reassembly is in the reverse of disassembly (See page AC-56).

AC1KU-04
I06711
- AIR CONDITIONINGBLOWER UNIT
AC-55
2780 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. REMOVE FRONT COOLING UNIT (See page AC-24)
2. REMOVE BLOWER UNIT
(a) Disconnect the connectors.
(b) Remove the bolt, 2 nuts and the blower unit.

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.

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.

AC1IL-03
I08106
Suction HoseDischarge Hose
Front Drive Shaft LH
Engine Under Cover
Compressor Stator

Snap RingRotor
Shim Pressure Plate
49 (500, 36)
13.2 (135, 9)
10 (100, 7)
49 (500, 36)
Drive Belt
Compressor and
Magnetic Clutch

O-ring
I06761
I06762
N´m (kgf´cm, ft´lbf) : Specified torque

Non reusable part
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
AC-61
2786 Author
: Date
:
2004 LAND CRUISER (RM1071U)
COMPONENTS

AC1IN-04
AC0943
SST
AC0944
SST
AC0945
SST
AC0946
Shim
Pressure
Plate
AC0947
SST
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
AC-63
2788 Author
: Date
:
2004 LAND CRUISER (RM1071U)
DISASSEMBLY
1. REMOVE PRESSURE PLATE
(a) Using SST and a socket wrench, remove the shaft bolt.
Torque: 13.2 N´m (135 kgf´cm, 9 ft´lbf)
SST 07112-76060
(b) Install SST on the pressure plate.
SST 07112-66040
(c) Using SST and socket wrench, remove the pressure
plate.
SST 07112-66040, 07112-76060
(d) Remove the shims from the pressure plate.
2. REMOVE ROTOR
(a) Using SST, remove the snap ring.
SST 95994-10020