Opel Frontera UBS. Service manual — part 1864
AIR CONDITIONING 1B – 57
FAN CONTROL SWITCH
Inspection
Using an electric circuit tester, check continuity between
terminals.
If not as specified, replace the switch.
1
2
3
4
OFF
LOW
MEDIUM
HIGH
Fan control switch
OFF
L
0.5 LG
0.85 Y
0.85 RG
0.85 B
M
H
1
2
3
4
Resistor
0.5
Ω
1.1
Ω
Mo
MH
ML
0.5 LG(ML)
0.85 WR(Mo)
0.85 RG(MH)
RESISTOR
Inspection
Using an electric circuit tester, check the resistance
between the terminals specified below.
If the resistances are not as specified, replace the resistor.
Terminal
Resistance (
Ω
)
Mo ~ MH
0.5
Mo ~ ML
1.6
825RY00058
826RY00016
1B – 58 AIR CONDITIONING
COOLING UNIT
Main Components
2
3
1
Legend
(1) Evaporator Assembly
(2) Expansion Valve
(3) Fan Motor
872RY00001
AIR CONDITIONING 1B – 59
FAN MOTOR
Inspection
1. Disconnect the fan motor connector from the A/C
harness.
2. Connect the battery’s positive terminal to the No.5
terminal of the fan motor and the negative terminal to
the No.4 terminal.
3. Check that the fan motor operates correctly.
Fan motor connector
0.85 B (-) 4
0.85 R (+) 5
872RY00002
1B–60 AIR CONDITIONING
20 2
5 3
0
ZEXEL
AUTO
A/C
OF
F AUTO
LO
HI
1
13
10
9
7
6
5
8
11
12
2
4
3
FULL AUTOMATIC AIR CONDITIONING SYSTEM
GENERAL DESCRIPTION
Using a variety of sensors, this full automatic heater and air conditioner accurately senses outside air
temperature, solar radiation quantity, evaporator’s blowing temperature, heater core coolant temperature
and interior temperature, then enters these data to the automatic heater/air conditioner control unit
(equipped with the built-in micro-computer). The data provided to the control unit enables to automatically
control blow temperature and blow air quantity, turn on or off the compressor and switch the blow port as
well as switching between the fresh air intake and interior air circulation.
Resetting the automatic function allows you to switch to the manual control mode.
The self-diagnosis function of the automatic heater and air conditioner control unit (with the built-in micro-
computer) allows the unit to access and diagnose a failed part easier and quicker.
Full Automatic Air Conditioner Parts Configuration
865RY0004
Legend
(1)
Lower Center Vent Box
(2)
Sun Sensor
(3)
Mix Actuator
(4)
Mode Actuator
(5)
Heater Unit
(6)
In Car Sensor
(7)
Pollen Filter
(8)
Automatic Air Conditioner Control Unit
(9)
Max-High Relay
(10)
Blower Unit
(11)
Intake Actuator
(12)
Duct Sensor
(13)
Evaporator Assembly
This illustration is based on RHD
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