Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 37
HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–119
Power Transistor
1. Remove the power transistor connector (C–34) from
the evaporator assembly.
2. Check the conduction between the power transistor
side terminals.
C01R200006
MAX HI Relay
1. Remove the MAX – HI relay connector (C–35) from
the blower assembly.
2. Check the conduction between the MAX – HI relay
side terminals.
C01R200011
In Car Sensor
1. Turn on the ignition switch (the engine is started).
Start the air conditioner in “Auto”.
2. Make sure that the in car sensor suctions cigarette
smokes and such.
In Car Sensor
1. Dismount the in car sensor from the automatic
heater/air conditioner control unit. Connect (+) end
and (–) end of the battery to the aspirator motor side
terminals No.I17–1 and No.I17–2, respectively, then
check if the motor runs normally.
C01R200010
1A–120 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Heater (X–1) And Compressor (X–2) Relay
1. Disconnect relays and check for continuity and
resistance between relay terminals.
D
For handling of these relays, refer to
Heater Relay
in this section.
C01R200011
Thermostat (X–8) Relay
1. Disconnect relays and check for continuity and
resistance between relay terminals.
D
For handling of these relays, refer to
Heater Relay
in this section.
C01R200012
Triple Pressure Switch
1. Disconnect the connector and check for continuity
between pressure switch side connector terminals (1)
and (2).
2. Reconnect the connector to activate the A/C switch,
and check to see if there is continuity between the
chassis side connector terminal (3) and (4) and the
fan operates.
875R200020
HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–121
On-Vehicle Service
Power Transistor
874R200014
Legend
(1) Glove Box
(2) MAX HI Relay
(3) Power Transistor Connector
(4) Power Transistor
Removal
1. Remove the glove box.
2. Remove the MAX–HI relay.
3. Disconnect the power transistor connector.
4. Remove the power transistor.
Installation
To install, follow the removal step in the reverse order.
Automatic Heater/Air Conditioner
Control Unit
865R200007
Legend
(1) Display
(2) Audio & Switch Assembly
(3) Automatic Air Conditioner Control Unit
(4) Knee Pad (RH)
(5) Center Cluster
(6) Center Cluster Upper
(7) Knee Pad (LH)
Removal
1. Disconnect the battery ground cable.
2. Remove the knee pad (R/LH).
3. Remove the center cluster upper.
4. Remove the center cluster.
D
Refer to
Instrument Panel Assembly in Body
Stractur section.
5. Disconnnect the six connectors.
6. Remove the automatic air conditioner control unit.
Installation
To install, follow the removal step in the reverse order.
1A–122 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
In Car Sensor
865R200001
Legend
(1) Meter Cluster
(2) In Car Sensor
Removal
1. Disconnect the battery ground cable.
2. Remove the meter cluster.
D
Refer to
Instrument Panel Assembly in Body
Structure section.
3. Remove the in car sensor.
Installation
To install, follow the removal step in the reverse order.
Ambient Sensor
875R200018
Legend
(1) Ambient Sensor
(2) Ambient Sensor Connector
(3) Horn (LH)
Removal
1. Disconnect the battery ground cable.
2. Remove the horn (LH).
3. Disconnect the ambient sensor connector.
4. Remove the ambient sensor.
Installation
To install, follow the removal step in the reverse order.
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