1996 TOYOTA LAND CRUISER Workshop Manual

AC2SC−01
N14163
AC−62
−
AIR CONDITIONING PRESSURE SWITCH
1996 LAND CRUISER (RM451U)
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERA TION
SYSTEM
HINT:
Evacuate air from refrigeration system.
Charge system with refrigerant and inspect for leakage of refrig-
erant.
Specified amount:
850 ± 50 g (29.98 ± 1.76 oz.)
2. REMOVE PRESSURE SWITCH
(a) Disconnect the connector.
(b) Remove the pressure switch from the liquid tube. Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
HINT:
At the time of installation, lubricate a new O− ring with compres-
sor oil and install the switch.
HINT:
Lock the switch mount on the tube with an open end wrench,
being careful not to deform the tube, and remove the switch.
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AC2SD−01
−
AIR CONDITIONING PRESSURE SWITCH
AC−63
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−62 ).
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Z19533
1
2
3
4
5 12
3
4
5
AC2SE−03
AC−64
−
AIR CONDITIONING HEATER MAIN RELAY
1391
Author: Date:
1996 LAND CRUISER (RM451U)
HEATER MAIN RELAY
INSPECTION
INSPECT HEATER MAIN RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 − 3
2 − 4Continuity
Apply B+ between
terminals 3 and 5.4 − 5Continuity
If continuity is not as specified, replace the relay.
BE1850 BElS44
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Z09804
1
23
4
5
6
1
3
6 2
4
AC2SF−01
−
AIR CONDITIONING REAR HEATER RELAY
AC−65
1392
Author: Date:
1996 LAND CRUISER (RM451U)
REAR HEATER RELAY
INSPECTION
INSPECT REAR HEATER RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant2 − 6
1 − 3Continuity
Apply B+ between
terminals 2 and 6.1 − 4Continuity
If continuity is not as specified, replace the relay.
H-8-2BE1844
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Z09507
1
2
3
4 412
4
3AC2SG−01
AC−66
−
AIR CONDITIONING MAGNETIC CLUTCH RELAY
1393
Author: Date:
1996 LAND CRUISER (RM451U)
MAGNETIC CLUTCH RELAY
INSPECTION
INSPECT MAGNETIC CLUTCH RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 − 3 Continuity
Apply B+ between
terminals 1 and 3.2 − 4Continuity
If continuity is not as specified, replace the relay.BE1647BE1841
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N06549
AC2SH−01
V02084OFFON
103 °C (217° F)
108
°C (226° F)
−
AIR CONDITIONING ENGINE COOLANT TEMPERATURE (ECT) CUT
RELAYAC−67
1394
Author: Date:
1996 LAND CRUISER (RM451U)
ENGINE COOLANT
TEMPERATURE (ECT) CUT RELAY
INSPECTION
INSPECT SWITCH CONTINUITY
Check the continuity betweeen terminals of the switch, as
shown in the chart below.
If continuity is not as specified, replace the switch.
_tf
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N14164
AC2SL−01
AC−68
−
AIR CONDITIONING AIR CONDITIONING CONTROL ASSEMBLY
1395
Author: Date:
1996 LAND CRUISER (RM451U)
AIR CONDITIONING CONTROL
ASSEMBLY
REMOVAL
1. REMOVE INSTRUMENT CLUSTER FINISH CENTER
PANEL WITH A/C CONTROL ASSEMBLY
2. REMOVE A/C CONTROL ASSEMBLY
Remove the 3 screws and A/C control assembly from center
panel.
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AC2SM−01
AC2717
Connector ”A”
−
AIR CONDITIONING AIR CONDITIONING CONTROL ASSEMBLY
AC−69
1996 LAND CRUISER (RM451U)
INSPECTION
1. INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal A −13
and the negative ( −) lead to terminal A−3, then check that the
illuminations light up.
If illuminations do not light up, test the bulb.
2. Air Inlet Control Switch:
INSPECT INDICATOR LIGHT OPERATION
(a) Connect the positive (+) lead from the battery to terminal
A−9 and the negative ( −) lead to terminal A−8.
(b) With the air inlet control button pushed in, check that the FRESH or RECIRC indicator light lights up.
(c) Next, push in the button again, and check that the indica-
tor light goes off and the other indicator light lights up.
AICSwitch
.-20-2-CN06571 .-18-2-B
ModeControlSwitch
2=i=~~~:=i~;=j::;5-H--+__Blower Speed
ControlSwitch
TemperatureControl
Switch Connector
"A"
~~.~r-r""""~~~9&ru7 6ill'O'~5 •U3 2
1
20 19iJl
II1716115a1311121110...... L.....-~
Connector"B"
,...,.....-~~'is"'-"'r"""".~~r"'-&765~'o"~•3ru2I
1&17iJl1615ullJ12IliJllO9L...,..L-,_\-L..,-
Z04530
r
!rfl176~54 3 21~
m2019lI:8171611514131211~
Connector"A"
~e@j
AC2718
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