GF91.30-P-2003MX | Heating mode, function | 27.5.02 |
MODEL 240
with CODE (872) Electrically heated left and right rear seats
with CODE (873) Electrically heated left and right front seats
Function requirements:
Term. 15R or term. 15 "ON"
Heating mode
The heated seats operating switch is designed as a button. This is read in by the
Left front door control module (N69/1)
Right front door control module (N69/2)
Left rear door control module (N69/3)
Right rear door control module (N69/4)
If the function conditions for the heated seats are fulfilled or the heated seats switched on then the corresponding message is sent cyclically to the CAN, as long as the switch is pressed.
Actuation
The heating resistors of the heated seats actuated by the
left front seat control module (N32/1)
right front seat control module (N32/2)
left rear seat control module (N32/11)
right rear seat control module (N32/13)
in accordance with the table below.
The heated seats can be switched on or off at any time by pressing a switch.
Function indicator
To actuate the function indicator the seat control module displays each heating stage as it is switched on over the CAN. Irrespective of this the door control module actuates the function indicator of the heated seats in accordance with the table shown below.
Heating stage | Heating capacity | Duty cycle (on) | Frequency |
I | Low | 27 % to 33 % | 25 Hz to 30 Hz |
II | middle | 57 % to 63 % | 25 Hz to 30 Hz |
III | high | 100 % | - |
Operation of heated seat switch with function indicator
Switch operation | Heated seat operating condition following switch actuation | Function indicator (LED) |
1st button actuation | Heating stage 3 | High heating capacity | 3 red LEDs |
2nd button actuation | Heating stage 2 | Average heater output | 2 red LEDs |
3rd button actuation | Heating stage 1 | Low heating capacity | 1 red LED |
4th button actuation | OFF | - | - |
5th. button actuation | Heating stage 3 | High heating capacity | 3 red LEDs |
Referenced documents
- gf9130p2004mx Terminate heater operation function