Description of Parameters

Description Of Parameters

Parameters, status

Lower switch, status
The status displays whether the identity of a certain switch is permissible or missing compared with the permitted switch identities in the Car Configuration File.
Ok = Switch permitted.
Faulty = Switch not permitted.

Lower switch identity
The status displays the function of a certain switch. The functions are as follows:
Adjustable head restraint
Retracting door mirrors
Private locking (trunk lid)
STC
DSTC
BLIS
Auxiliary lamps
Reduced alarm (temporary disengagement of the movement and tilt sensors in the alarm)
Back-up warning
Bi-fuel
Child-proof lock
Rear A/C
Four-C
Blind spot detection
Not defined

Lower switch LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for lower switches should be lit or not.
Lit = the LED must be lit.
Not lit = the LED must not be lit

Lower switch
The parameter indicates whether the climate control module (CCM) recognizes whether the button for each switch is pressed in or not.
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Status, seat heater right front
The parameter indicates the status of the right-hand front seat heating module (SHM).
The following statuses are available:
OK, heating off - Seat heating module (SHM) functioning, heating off.
OK, heating on - Seat heating module (SHM) functioning, heating on.
Incorrect status 1 - Incorrect heater pad, heating off.
Incorrect status 2 - Faulty temperature sensor, heating off.
Incorrect status 3 - Seat heating module (SHM) overheated, heating off.
Incorrect status 4 - Communication problems, heating off.
Incorrect status 5 - Other fault, heating off.
Incorrect status 6 - Internal fault, heating off.

Status, seat heater left front
The parameter indicates the status of the left front seat heating module (SHM).

The following statuses are available:
OK, heating off - Seat heating module (SHM) functioning, heating off.
OK, heating on - Seat heating module (SHM) functioning, heating on.
Incorrect status 1 - Incorrect heater pad, heating off.
Incorrect status 2 - Faulty temperature sensor, heating off.
Incorrect status 3 - Seat heating module (SHM) overheated, heating off.
Incorrect status 4 - Communication problems, heating off.
Incorrect status 5 - Other fault, heating off.
Incorrect status 6 - Internal fault, heating off.

Button heated rear windshield/door mirrors
The parameter indicates whether the climate control module (CCM) recognizes whether the button for the heated rear windshield/door mirrors is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Max defroster button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for max defroster is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Air distribution defroster button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for air distribution defroster is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Air distribution ventilation button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for air distribution ventilation is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Air distribution floor button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for air distribution floor is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

A/C button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for air conditioning (A/C) is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Seat heater left front button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for the left front seat heater is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Seat heater right front button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for the right front seat heater is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

AUTO button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for AUTO mode is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

Recirculation button
The parameter indicates whether the climate control module (CCM) recognizes whether the button for recirculation is pressed in or not.
The button is on the keypad for the climate control module (CCM).
Not pressed = the button is not pressed in.
Pressed = the button is pressed in.

AQS LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for the air quality sensor (AQS) should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Recirculation LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for recirculation should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

AUTO LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for AUTO should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Heated rear windshield LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for the heated rear windshield/door mirrors should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Max defroster LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for maximum defrosting should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Defroster LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for air distribution defroster should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Ventilation LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for air distribution ventilation should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Floor LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for floor air distribution should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

A/C ON LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for A/C ON should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

A/C OFF LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for A/C OFF should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Left seat heater low LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for left seat heater low should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Left seat heater high LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for left seat heater high should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Right seat heater low LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for right seat heater low should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Right seat heater high LED
The parameter indicates whether the climate control module (CCM) recognizes whether the LED for right seat heater high should be lit or not.
The LED is on the keypad for the climate control module (CCM).
Not lit = the LED must not be lit.
Lit = the LED must be lit.

Blower fan control, red LED
The parameter indicates whether the climate control module (CCM) recognizes whether the red LED for the blower fan control should be lit or not.
Lit = the LED must be lit.
Not lit = the LED must not be lit.

Blower fan control, green LED
The parameter indicates whether the climate control module (CCM) recognizes whether the green LEDs for the blower fan control should be lit or not.
Not lit = the LED must not be lit.
1 lit = 1 LED must be lit.
2 lit = 2 LEDs must be lit.
3 lit = 3 LEDs must be lit.
4 lit = 4 LEDs must be lit.
5 lit = 5 LEDs must be lit.
6 lit = 6 LEDs must be lit.
7 lit = 7 LEDs must be lit.

AQS signal (only ECC)
The parameter displays the signal from the air quality sensor (AQS). The climate control module (CCM) uses the signal to regulate the damper motor module (DMM) recirculation. Off = no increase or reduction in pollutant level.
Level 1 = slow increase in pollutant level.
Level 2 = medium increase in pollutant level.
Level 3 = rapid increase in pollutant level.

Parameters, value

Evaporator temperature
The value indicates the temperature from the evaporator temperature sensor. The value is used by the climate control module (CCM) to regulate activation of the air conditioning (A/C) compressor.

Measurement range -100 degrees C - 100 degrees C.

With the ignition off and a cold engine, the value must correspond with the ambient temperature.
When the engine is running and the A/C is activated, the climate control module (CCM) will regulate the compressor as follows:

- Compressor on at 10 degrees C.
- Compressor off at 6 degrees C.

Passenger compartment temperature sensor (only ECC)
The parameter indicates the value from the passenger compartment temperature sensor. The climate control module (CCM) uses the signal to regulate the climate in the passenger compartment in the AUTO position.

Measurement range -40 - 90 degrees C.
The value must correspond to the ambient temperature.

Desired position, damper motor, defroster
The value indicates how much the damper for the defroster should be open to correspond to the desired climate control. The climate control module (CCM) transmits the value to the damper motor module (DMM) defroster via the LIN bus.
Measurement range 0-100%.
100% is full capacity.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Actual position, damper motor, defroster
The value indicates how much the damper for the defroster is open. The climate control module (CCM) receives the value from the damper motor module (DMM) for the defroster via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Desired position, damper motor, recirculation
The value indicates how much the damper for recirculation should be open to correspond to the desired climate control. The climate control module (CCM) transmits the value to the damper motor module (DMM) recirculation via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Actual position, damper motor, recirculation
The value indicates how much the damper for recirculation is open. The climate control module (CCM) receives the value from the damper motor module (DMM) recirculation via the LIN bus. Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Desired position, damper motor, temperature left
The value indicates how much the damper for temperature left should be open to correspond to the desired climate control. The climate control module (CCM) transmits the value to the damper motor module (DMM) temperature left via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Actual position, damper motor, temperature left
The value indicates how much the damper for temperature left is open. The climate control module (CCM) receives the value from the damper motor module (DMM) temperature left via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Desired position, damper motor, temperature right
The value indicates how much the damper for temperature right should be open to correspond to the desired climate control. The climate control module (CCM) transmits the value to the damper motor module (DMM) for temperature right via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Actual position, damper motor, temperature right
The value indicates how much the damper for temperature right is open. The climate control module (CCM) receives the value from the damper motor module (DMM) for temperature right via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Desired position, damper motor, air distribution
The value indicates how much the damper for air distribution should be open to correspond to the desired climate control. The climate control module (CCM) transmits the value to the damper motor module (DMM) air distribution via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Actual position, damper motor, air distribution
The value indicates how much the damper for air distribution is open. The climate control module (CCM) receives the value from the damper motor module (DMM) air distribution via the LIN bus.
Measurement range 0-100%.
0% corresponds to a fully closed damper and 100% corresponds to a fully open damper.

Requested blower fan speed
The value indicates how much the blower fan must blow to correspond to the desired climate control. The climate control module (CCM) controls the blower fan speed by transmitting a signal to the central electronic module (CEM).

Measurement range 0-100%.
0% corresponds to the blower fan switched off, 100% corresponds to maximum blower fan speed.

Power supply
The value indicates the power supply to the climate control module (CCM).

Measurement range 0-50 V.
Normal value approximately 12 V (battery voltage).