Display group 022: Allocation ignition key and signal for "time ignition off"
NOTE:
Display group "022" only available with control head having part number beginning with index letter "M."
Fig 1: Channel Identification Chart - Display Group 022, Channel 1 (Model Year 2000 And Up Vehicles)
- For information on instrument cluster, see INSTRUMENT CLUSTER .
NOTE:
Notes to display field 1:
- When the ignition is switched on, -E87- begins with the setting valid for the key used the last time ignition was shut off (temperature, air distribution, fresh air glower speed).
- Allocation of ignition key is conducted by the Bus system on -E87-. If the instrument cluster can not supply requested information due to a component malfunction, a malfunction notice with data gram is sent which requires the DTC memory to be checked. See ON BOARD DIAGNOSTIC (OBD) .
- Reception of information from instrument cluster is indicated in measuring value block display group 012. See DISPLAY GROUP 012: INFORMATION ON CAN-BUS FOR CONTROL HEAD HAVING PART NUMBERS BEGINNING WITH THE INDEX LETTER "M" .
Fig 2: Channel Identification Chart - Display Group 022, Channels 2, 3 & 4 (Model Year 2000 And Up Vehicles)
NOTE:
Notes to display field 2:
- If when switching on the ignition, no signal for "time ignition off" is recognized by -E87- (sent by instrument cluster), -E87- will shut off over a standing time of 4 hours and engine temperature becomes the ambient temperature.
- Stand time is determined by Can-Bus to -E87-. If the instrument cluster can not supply requested information due to a component malfunction, a malfunction notice with data gram is sent which requires the DTC memory be checked. See ON BOARD DIAGNOSTIC (OBD) .
- Reception of information from instrument cluster is indicated in measuring value block display group 012. See DISPLAY GROUP 012: INFORMATION ON CAN-BUS FOR CONTROL HEAD HAVING PART NUMBERS BEGINNING WITH THE INDEX LETTER "M" .