AC-1
AIR CONDITIONING SYSTEM
REFER TO FOLLOWING REPAIR MANUALS:
Manual Name Pub. No.
• Land Cruiser (Hardtop and RM183E
Canvas Top) Chassis and
Body Repair Manual
• Land Cruiser (Station RM184E
Wagon) Chassis and Body
Repair Manual
• Land Cruiser (Hardtop, RM290E
Canvas Top & Station
Wagon) Chassis and Body
Supplement Repair
Manual
NOTE: The following pages contain only the
points which differ from the above listed
manuals.
(HARDTOP & CANVAS TOP)
DESCRIPTION AC-2
DRIVE BELT AC-10
REFRIGERATION LINES AC-11
COMPRESSOR AC-12
COOLING UNIT AC-14
AIR CONDITIONER AMPLIFIER AC-15
(STATION WAGON)
DESCRIPTION AC-18
DRIVE BELT AC-22
COMPRESSOR AC-23
AIR CONDITIONER AMPLIFIER AC-25
AC-2 AIR CONDITIONING SYSTEM - DESCRIPTION
(Hardtop & Canvas Top)
DESCRIPTION
ELECTRICAL WIRING DIAGRAM
AIR CONDITIONING SYSTEM - DESCRIPTION
AC-3
AC-4 AIR CONDITIONING SYSTEM - DESCRIPTION
AC-5
AIR CONDITIONING SYSTEM - DESCRIPTION
- MEMO -
AC-6
AIR CONDITIONING SYSTEM - DESCRIPTION
AC-7
AIR CONDITIONING SYSTEM - DESCRIPTION
AC-8
AIR CONDITIONING SYSTEM - DESCRIPTION
AIR CONDITIONING SYSTEM - DESCRIPTION AC-9
AC-10
AIR CONDITIONING SYSTEM - DRIVE BELT
DRIVE BELT
ON-VEHICLE INSPECTION
INSPECT DRIVE BELT TENSION
Drive belt tension at 10 kg (22.0 Ib, 98N):
FZ Series Engine
New belt
5 - 7 mm (0.20 - 0.28 in.)
Used belt
7 - 9.5 mm (0.28 - 0.37 in.)
AC-11
AIR CONDITIONING SYSTEM - REFRIGERATION LINES
REFRIGERATION LINES
TIGHTENING
AC-12
AIR CONDITIONING SYSTEM - COMPRESSOR
COMPRESSOR
COMPRESSOR REMOVAL
1. RUN ENGINE AT IDLE SPEED WITH A/C ON FOR TEN
MINUTES
2. STOP ENGINE
3. DISCONNECT NEGATIVE CABLE FROM BATTERY
4. DISCONNECT CONNECTOR FROM MAGNET CLUTCH
5. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM
6. DISCONNECT TWO HOSES FROM COMPRESSOR SER-
VICE VALVES
Cap the open fittings immediately to keep the moisture
and dust out of the system.
7. REMOVE ENGINE UNDER COVER
AC-13
AIR CONDITIONING SYSTEM - COMPRESSOR
8. LOOSEN IDLE PULLEY LOCK NUT AND COMPRESSOR
DRIVE BELT
9. REMOVE COMPRESSOR
Remove the four bolts and pull the compressor upward.
MAGNET CLUTCH DISASSEMBLY
AC-14 AIR CONDITIONING SYSTEM - COOLING UNIT
COOLING UNIT
COOLING UNIT DISASSEMBLY
FZ Series Engine
Packing
Rear Cooler Relay
Wire Harness
Upper Unit Case
Packing
Magnet Clutch
Relay Expansion Valve
Clip
A/C Amplifier Grommet
Drain Hose
Thermistor
Blower Speed Control
Relay
(Push Type A/C Control Packing
Assembly)
Evaporator
Blower Resistor
Lower Unit Case
AC-15
AIR CONDITIONING SYSTEM - AIR CONDITIONER AMPLIFIERS
AIR CONDITIONER AMPLIFIER
(Dual A / C : 1FZ-F Engine)
INSPECT AMPLIFIER CIRCUIT
Disconnect the amplifier and inspect the connector on
the wire harness side as shown in the chart below.
Test conditions:
(1) Ignition switch: ON
(2) Temperature control lever: MAX COOL
(3) Blower switch: HI
If circuit is as specified, replace the amplifier.
AC-16
AIR CONDITIONING SYSTEM - AIR CONDITIONER AMPLIFIERS
(Dual A/C : 1FZ-FE Engine)
INSPECT AMPLIFIER CIRCUIT
Disconnect the amplifier and inspect the connector on
the wire harness side as shown in the chart below.
Test conditions:
(1) Ignition switch: ON
(2) Temperature control lever: MAX COOL
(3) Blower switch: HI
If circuit is as specified, replace the amplifier.
AC-17
AIR CONDITIONING SYSTEM - AIR CONDITIONER AMPLIFIERS
- MEMO -
AC-18
AIR CONDITIONING SYSTEM - DESCRIPTION
(Station Wagon)
DESCRIPTION
ELECTRICAL WIRING DIAGRAM
AC-19
AIR CONDITIONING SYSTEM - DESCRIPTION
AC-20 AIR CONDITIONING SYSTEM - DESCRIPTION
AIR CONDITIONING SYSTEM - DESCRIPTION AC-21
AC-22
AIR CONDITIONING SYSTEM - DRIVE BELT
DRIVE BELT
ON-VEHICLE INSPECTION
INSPECT DRIVE BELT TENSION
Drive belt tension at 10 kg (22.0 Ib, 98 N):
FZ Series Engine
New belt
5 - 7 mm (0.20 - 0.28 in.)
Used belt
7 - 7.5 mm (0.28 - 0.37 in.)
(Reference)
Using SST, check the drive belt tension.
SST 09216-00020 and 09216-00030
New belt: 40 - 60 kg
Used belt: 20 - 40 kg
AIR CONDITIONING SYSTEM - COMPRESSOR AC-23
COMPRESSOR
COMPRESSOR REMOVAL
1. RUN ENGINE AT IDLE SPEED WITH A/C ON FOR TEN
MINUTES
2. STOP ENGINE
3. DISCONNECT NEGATIVE CABLE FROM BATTERY
4. DISCONNECT CONNECTOR FROM MAGNET CLUTCH
5. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM
6. DISCONNECT TWO HOSES FROM COMPRESSOR SER-
VICE VALVES
Cap the open fittings immediately to keep the moisture
and dust out of the system.
7. REMOVE ENGINE UNDER COVER
AC-24
AIR CONDITIONING SYSTEM - COMPRESSOR
8. LOOSEN IDLE PULLEY LOCK NUT AND COMPRESSOR
DRIVE BELT
9. REMOVE COMPRESSOR
Remove the four bolts and pull the compressor upward.
MAGNET CLUTCH DISASSEMBLY
AIR CONDITIONING SYSTEM - AIR CONDITIONER AMPLIFIER
AC-25
AIR CONDITIONER AMPLIFIER
INSPECT AMPLIFIER CIRCUIT
Disconnect the amplifier and inspect the connector on
the wire harness side as shown in the chart below.
Test conditions:
(1) Ignition: ON
(2) Temperature control lever: MAX. COOL
(3) Blower switch: HI
FZ Series Engine
If circuit is as specified, replace the amplifier.
