Page 2049 of 2062

Downloaded from www.Manualslib.com manuals search engine Z14605
Wire Harness SideAC0GJ−02
Z14604
From Back Side
− AIR CONDITIONINGAIR CONDITIONING AMPLIFIER
AC−79
2013 Author: Date:
1996 TOYOTA T100 (RM449U)
AIR CONDITIONING AMPLIFIER
ON−VEHICLE INSPECTION
INSPECT AMPLIFIER CIRCUIT
(a) Remove the glove compartment door
(See page BO−36).
(b) Disconnect the amplifier connector and inspect the con-
nector on wire harness side, as shown in the chart below.
Test conditions:
Temperature control lever MAX. COOL
A/C switch ON
Turn ignition switch to ON
Blower speed switch at HI
Tester connectionConditionSpecified condition
8 − GroundConstantContinuity
2 − 6ConstantContinuity
2 − 10Evaporator temperature at 25 °C (77 °F)Approx. 1.5 kΩ at 25 °C (77 °F)
4 − GroundA/C switch ONBattery positive voltage
4 − GroundA/C switch OFFNo voltage
1 − ECM terminal ACTConstantContinuity
9 − ECM terminal AC1ConstantContinuity
7 − GroundA/C switch ONContinuity
7 − GroundA/C switch OFFNo continuity
If the circuit is not as specified, inspect the circuits connected
to other parts.
(c) Connect the connector to amplifier and inspect wire har-
ness side connector from the back side, as shown in the
chart below.
Test conditions
Running engine at idle speed
Blower speed switch at ”HI” position
A/C switch ON
Temperature control lever at ”COOL” position
Set on manifold gauge set
Tester connectionConditionSpecified condition
3 − GroundRefrigerant pressure 196 − 1,340 kPaBattery positive voltage
3 − GroundRefrigerant pressure
less than 196 or more than 3,140 kPaNo voltage
If circuit is as specified, try replacing the amplifier with a new
one. If the circuit is not as specified, inspect the circuits con-
nected to other parts.
Page 2050 of 2062
Downloaded from www.Manualslib.com manuals search engine AC0GK−01
N09337
AC−80
− AIR CONDITIONINGAIR CONDITIONING AMPLIFIER
1996 TOYOTA T100 (RM449U)
REMOVAL
1. REMOVE GLOVE COMPARTMENT DOOR
(See page BO−36)
2. REMOVE A/C AMPLIFIER
(a) Disconnect the connector.
(b) Remove the amplifier from the cooling unit.
Page 2051 of 2062
Downloaded from www.Manualslib.com manuals search engine AC0GL−01
− AIR CONDITIONINGAIR CONDITIONING AMPLIFIER
AC−81
1996 TOYOTA T100 (RM449U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−80).
Page 2052 of 2062
Downloaded from www.Manualslib.com manuals search engine N05730
AC0GM−02
AC−82
− AIR CONDITIONINGAIR CONDITIONING SWITCH
2016 Author: Date:
1996 TOYOTA T100 (RM449U)
AIR CONDITIONING SWITCH
REMOVAL
REMOVE A/C SWITCH
Using a screwdriver, pry loose the clips and remove the A/C
switch.
HINT:
Tape the screwdriver tip before use.
Page 2053 of 2062
Downloaded from www.Manualslib.com manuals search engine AC0GN−02
I02282
OFF ON
64
I02283
OFF ON
6 4
3
Z07777
1
3 4 65
− AIR CONDITIONINGAIR CONDITIONING SWITCH
AC−83
1996 TOYOTA T100 (RM449U)
INSPECTION
1. INSPECT A/C INDICATOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
6 and negative (−) lead to terminal 4 and check that the
indicator lights up, when A/C switch ON.
(b) Connect the positive (+) lead from the battery to terminal
3 and check that the indicator dims
If operations are not as specified, replace the A/C switch.
2. INSPECT A/C SWITCH CONTINUITY
Condition/ CircuitTester connectionSpecified condition
OFF−No continuity
ON4 − 5
4 − 6Continuity
Illumination circuit3 − 1Continuity
If continuity is not as specified, replace the A/C switch
Page 2054 of 2062
Downloaded from www.Manualslib.com manuals search engine AC0GO−01
AC−84
− AIR CONDITIONINGAIR CONDITIONING SWITCH
1996 TOYOTA T100 (RM449U)
INSTALLATION
Installation is in the reverse order of removal (See page AC−82).
Page 2055 of 2062
Downloaded from www.Manualslib.com manuals search engine N05725
AC0GP−01
− AIR CONDITIONINGHEATER CONTROL ASSEMBLY
AC−85
2019 Author: Date:
1996 TOYOTA T100 (RM449U)
HEATER CONTROL ASSEMBLY
ON−VEHICLE INSPECTION
INSPECT HEATER CONTROL LEVER OPERATION
Move the control lever and dials left and right check for stiffness
and binding the full range of the lever and dials.
If there is stiffness and binding, adjust the heater control cable.
Page 2056 of 2062
Downloaded from www.Manualslib.com manuals search engine AC0GQ−01
I01458
Instrument Panel
Heater Control Assembly
Heater Control KnobHeater Control Panel A/C Switch
Air Inlet Control Cable
Air Mix Control Cable Water Valve Control Cable
Mode Control Cable
Heater Control Base
Blower Speed Control Switch
Defroster Mode Switch
Bulb
AC−86
− AIR CONDITIONINGHEATER CONTROL ASSEMBLY
1996 TOYOTA T100 (RM449U)
COMPONENTS