SP17 system
See in section 7B, "Heating, ventilation and air conditioning system with manual control» general information on the following topics:
- System components - functioning.
- Air conditioning system SP17.
Control Panel
The air conditioning system is controlled by switches on the control panel. The console-mounted heating and ventilation control system contains the following controls and indicators:
Temperature control keys
1. To increase the temperature of the air entering the passenger compartment, press the top button with the red arrow up.
2. To lower the temperature of the air entering the passenger compartment, press the lower button with the blue down arrow.
3. The air mixing damper is controlled by an electric drive.
4. The temperature is controlled by mixing air passing through the heat exchanger of the heater with air passing through the heat exchanger.
Each key press changes the set temperature in steps of 0.5°C (1°F). It is shown on the temperature display of the function display.
Function display
This is a liquid crystal display that shows the status of the selected control parameter. The indicator shows (from left to right) the following options:
1. Set temperature - shows the temperature set by the temperature controller.
2. Automatic control status - shows in which mode the system is operating (automatic or manual).
3. Heated glass icon - indicates manual activation of the full glass heating mode.
4. Mode - mode enabled by the system in automatic mode (or by the driver in manual mode), is displayed with luminous arrows showing the direction of air distribution.
5. Air Conditioning - The snowflake icon indicates whether the air conditioner is on or off.
6. Fan Speed - Shows the fan speed in luminous bars, starting with one at the lowest speed and adding segments in sequence up to a fifth at the highest speed.
Eight additional keys
1. Full defroster - motorized mode dampers direct all air to the windshield and window outlets for faster defrost.
2. Air supply - switching between fresh air supply (the initial state) and air recirculation. The airflow arrows show the mode is on.
3. Automatic mode switch - the set temperature is maintained automatically. In this mode, the automatic temperature control system (FATC) manages the following elements:
- Electric drive of the air mixing damper.
- Mode damper electric drive.
- Electric fan speed.
- Electric intake air damper.
- Turning the air conditioner on and off.
4. Main switch - turns off the automatic air conditioning and ventilation system.
5. Mode switch - allows you to manually set the direction of the airflow.
- The selected mode is shown on the function display.
- Each time you press the mode switch key, the next function is displayed.
6. Air conditioner switch - allows you to manually turn on and control the air conditioner.
7. Fan control switch - allows you to manually set one of five fan speeds.
8. Heated glass switch - turns on the electric heating of the rear window and outside rear-view mirrors, if the car is equipped with heated mirrors.
Pressure meter
The pressure sensor acts as a high and low pressure cut-off switch together with a fan intermittent switch. The pressure sensor is located in the high pressure liquid coolant line near the right front shock strut, between the shock strut and the air filter. The signal from the pressure sensor is sent to the engine electronic control system controller - ECM - (ECM), which controls the operation of the compressor depending on the pressure signal.
Compressor shutdown at wide open throttle (WOT)
When accelerating at full throttle throttle position sensor (TPS) sends a signal to the ECM that controls the compressor clutch.
High RPM Shutdown
When the engine speed reaches the maximum limit, the ECM will disengage the compressor clutch until the engine slows down.
Tightening torques for threaded connections
Application
|
N·m
|
lb-ft
|
lb-in
|
Air filter cover nut
|
4
|
-
|
35
|
Fixing nut on the outdoor temperature sensor bracket
|
6
|
-
|
53
|
Fan Resistor Screws
|
6
|
-
|
53
|
Control unit fixing screws
|
2,5
|
-
|
22
|
Expansion valve bolts
|
10
|
-
|
89
|
Heater housing/air distributor assembly screws
|
8
|
-
|
71
|
Evaporator liquid tube fixing nuts
|
10
|
-
|
89
|
Suction hose fixing nuts
|
10
|
-
|
89
|