TOYOTA LAND CRUISER 1998 Factory Manual PDF

AC1KK-03
AC-42
- AIR CONDITIONINGFRONT HEATER UNIT
2767 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. CHECK HEATER RADIATOR FINS FOR BLOCKAGE
If the fins are clogged, remove them with compressed air.
2. CHECK FITTING FRO CRACKS OR SCRATCHES
If necessary repair or replace.

AC1KM-02
AC-44
- AIR CONDITIONINGFRONT HEATER UNIT
2769 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSTALLATION
Installation is in the reverse of removal (See page AC-40).

AC1KL-02
- AIR CONDITIONINGFRONT HEATER UNIT
AC-43
2768 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REASSEMBLY
Reassembly is in the reverse of disassembly (See page AC-41).

AC1KI-04
I06727
I25894
Second Ridge
View A
UpperHose Clip
Lower
MarkingRHLH Upper
LowerMarking
View A
I06728
I06729
AC-40
- AIR CONDITIONINGFRONT HEATER UNIT
2765 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not necessary to drain out all coolant.
2. DISCONNECT WATER HOSES FROM HEATER RA-
DIATOR PIPES
(a) Using pliers, grip the claws of the hose clip and slide the
clip along the hose.
(b) Disconnect the water hoses from the heater radiator
pipes.
HINT:
At the time of installation , please refer to the following items.

Push the water hose onto the heater radiator pipe to the
second ridge on the pipe.

Install a hose clip in the position as shown in the illustra-
tion.
3. REMOVE INSTRUMENT PANEL AND REINFORCE-
MENT (See page BO-84)
4. REMOVE FRONT COOLING UNIT (See page AC-24)
5. REMOVE HEATER UNIT
(a) Remove the lower defroster nozzle.
(b) Disconnect the connector.
(c) Remove the 4 nuts and heater unit.

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

I25040
Relay BlockJunction Block
(Built-in Relay)AC1LY-03
I25183
Engine Room J/B
63
65
57 AC-96
- AIR CONDITIONINGMAGNETIC CLUTCH RELAY
2821 Author
: Date
:
2004 LAND CRUISER (RM1071U)
MAGNETIC CLUTCH RELAY
INSPECTION
HINT:
The magnetic clutch relay is built in the engine room junction
block. Since the relay is constructed with a relay block that is in
the junction block as a unit, it is impossible to disconnect the
wire harness connecting with the relay block.
If the relay has a malfunction, replace it with the junction block
assembly wire harness together.
1. REMOVE ENGINE ROOM J/B
2. INSPECT MAGNETIC CLUTCH RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant57 - 65Continuity
Apply B+ between
terminals 57 and 65.63 - 65Continuity
If continuity is not as specified, replace the engine room J/B.
3. INSTALL ENGINE ROOM J/B

AC1HT-04
N06553
- AIR CONDITIONINGMANIFOLD GAUGE SET
AC-19
2744 Author
: Date
:
2004 LAND CRUISER (RM1071U)
SET OFF
1. CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE
SET
2. DISCONNECT QUICK DISCONNECT ADAPTERS
FROM SERVICE VALVES ON REFRIGERANT LINE
HINT:
Slide the sleeve of the quick disconnect adapter upward to un-
lock the adapter and remove it from the service valve.
3. INSTALL CAPS TO SERVICE VALVES ON REFRIGER-
ANT LINE

I06814
High Pressure
Charging ValveLow Pressure
Charging Valve
AC1HS-05
N04392
Sleeve
AC-18
- AIR CONDITIONINGMANIFOLD GAUGE SET
2743 Author
: Date
:
2004 LAND CRUISER (RM1071U)
MANIFOLD GAUGE SET
SET ON
1. CONNECT CHARGING HOSE TO MANIFOLD GAUGE
SET
Tighten the nuts by hand.
CAUTION:
Do not connect the wrong hoses.
2. CONNECT QUICK DISCONNECT ADAPTERS TO
CHARGING HOSES
Tighten the nuts by hand.
3. CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE
SET
4. REMOVE CAPS FROM SERVICE VALVES ON RE-
FRIGERANT LINES
5. CONNECT QUICK DISCONNECT ADAPTERS TO SER-
VICE VALVES
HINT:
Push the quick disconnect adapter onto the service valve, then
the sleeve of the quick disconnect adapter downward to lock it.

AC1HT-04
N06553
- AIR CONDITIONINGMANIFOLD GAUGE SET
AC-19
2744 Author
: Date
:
2004 LAND CRUISER (RM1071U)
SET OFF
1. CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE
SET
2. DISCONNECT QUICK DISCONNECT ADAPTERS
FROM SERVICE VALVES ON REFRIGERANT LINE
HINT:
Slide the sleeve of the quick disconnect adapter upward to un-
lock the adapter and remove it from the service valve.
3. INSTALL CAPS TO SERVICE VALVES ON REFRIGER-
ANT LINE

I06814
High Pressure
Charging ValveLow Pressure
Charging Valve
AC1HS-05
N04392
Sleeve
AC-18
- AIR CONDITIONINGMANIFOLD GAUGE SET
2743 Author
: Date
:
2004 LAND CRUISER (RM1071U)
MANIFOLD GAUGE SET
SET ON
1. CONNECT CHARGING HOSE TO MANIFOLD GAUGE
SET
Tighten the nuts by hand.
CAUTION:
Do not connect the wrong hoses.
2. CONNECT QUICK DISCONNECT ADAPTERS TO
CHARGING HOSES
Tighten the nuts by hand.
3. CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE
SET
4. REMOVE CAPS FROM SERVICE VALVES ON RE-
FRIGERANT LINES
5. CONNECT QUICK DISCONNECT ADAPTERS TO SER-
VICE VALVES
HINT:
Push the quick disconnect adapter onto the service valve, then
the sleeve of the quick disconnect adapter downward to lock it.