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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments (05 Of 11) -- 447 Chassis >> Basic Knowledge >> Signal List, Caravan Control Unit, Heating System, Function - GF54.21-D-5057TSA

Signal List, Caravan Control Unit, Heating System, Function - GF54.21-D-5057TSA

Model 447 

with code JA3 (Intelligent body control.) 

with code XM7 (MOPF II) 

Model 907, 910 

with code JA3 (Intelligent body control.) 

SIGNAL LIST FOR HEATING SYSTEM LIN CONNECTIONS

Signal ID Signal type/number Signal:
Name/function
Parameter
  Byte Bit    
01Ah 1 0 Name:
Alde_ActualTemp_Zone1_Rq
Function:
Alde actual temp zone 1
File type:
08_Alde_ActualTemp
Value/range/increment:
0...250/-42...83°C/0.5°C
Value/name/function:
251/NEG_TEMP/Out of range, negative. Temperature is below -42
252/POS_TEMP/Out of range, positive. Temperature is above 83°C
253/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
254/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
255/TEMP_INVALID/Temperature is invalid
  2 0 Name:
Alde_Actual_Temp_Zone2_Rq
Function:
Alde actual temp zone 2
File type:
08_Alde_ActualTemp
Value/range/increment:
0...250/-42...83°C/0.5°C
Value/name/function:
251/NEG_TEMP/Out of range, negative. Temperature is below -42
252/POS_TEMP/Out of range, positive. Temperature is above 83°C
253/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
254/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
255/TEMP_INVALID/Temperature is invalid
  3 0 Name:
Alde_ActualTemp_OutDr_Snsr_Rq
Function:
Alde_ActualTemp_OutDr_Snsr
File type:
08_Alde_ActualTemp
Value/range/increment:
0...250/-42...83°C/0.5°C
Value/name/function:
251/NEG_TEMP/Out of range, negative. Temperature is below -42
252/POS_TEMP/Out of range, positive. Temperature is above 83°C
253/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
254/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
255/TEMP_INVALID/Temperature is invalid
  4 0 Name:
Alde_Zone1ActTargTemp_Rq
Function:
Alde_Zone1ActTargTemp
File type:
06_Alde_TrgTemp
Value/range/increment:
0...50/5...30°C/0.5°C
Value/name/function:
59/NEG_TEMP/Out of range, negative. Temperature is below 5
60/POS_TEMP/Out of range, positive. Temperature is above 50°C
61/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
62/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
63/TEMP_INVALID/Temperature is invalid
  4 6 Name:
Alde_GasSetting_Rq
Function:
Gas setting
File type:
01_Alde_GasSetting
Value/name/function:
0/OFF/OFF
1/ON/ON
  4 7 Name:
Alde_Priority_El_Gas_Rq
Function:
Current/gas priority
File type:
01_Alde_Priority_El_Gas
Value/name/function:
0/Prio_Electricity/Priority electricity
1/Prio_Gas/Priority gas
  5 0 Name:
Alde_Zone2ActTargTemp_Rq
Function:
Zone2 active target temperature
File type:
06_Alde_TrgTemp
Value/range/increment:
0....50/5...30°C/0.5°C
Value/name/function:
59/NEG_TEMP/Out of range, negative. Temperature is below 5
60/POS_TEMP/Out of range, positive. Temperature is above 50°C
61/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
62/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
63/TEMP_INVALID/Temperature is invalid
  5 6 Name:
Alde_ElectricitySetting_Rq
Function:
Current setting
File type:
02_Alde_ElectricitySetting
Value/name/function:
0/OFF/OFF
Value/range/increment:
1/kW_1/1 kW
2/kW_2/2 kW
3/kW_3/3 kW
01Ah 6 0 Name:
Alde_Panel_Stat_Rq
Function:
Panel ON/OFF
File type:
01_Alde_Panel_Stat
Value/name/function:
0/OFF/OFF
1/ON/ON
  6 1 Name:
Alde_Panel_Busy_Rq
Function:
Alde panel busy.
File type:
01_Alde_Panel_Busy
Value/name/function:
0/Apply_sent_sett/Alde panel will apply sent settings from CI-bus master
1/Ignore_sent_sett/Alde panel is busy and will ignore sent settings
  6 2 Name:
Alde_Error_Rq
Function:
At least one error is active in the Alde panel.
File type:
01_Alde_Error
Value/name/function:
0/No_Error/No error
1/Error_active/At least one error is active
  6 3 Name:
Alde_HotWaterSetting_Rq
Function:
Hot water setting
File type:
02_Alde_HotWaterSetting
Value/name/function:
0/OFF/OFF
1/Normal/Normal
2/Boost/Boost
  6 5 Name:
Alde_ACInstall_Info_Rq
Function:
Information on installation of AC in Alde system
File type:
01_Alde_ACInstall_Info
Value/name/function:
0/Not_Installed/Truma AC is not installed
1/Installed/Truma AC installed
  6 6 Name:
Alde_ACCSetting_Rq
Function:
ACC setting
File type:
01_Alde_ACCSetting
Value/name/function:
0/OFF/OFF
1/ON/ON
  6 7 Name:
Alde_PumpRunning_Rq
Function:
Pump running.
File type:
01_Alde_PumpRunning
Value/name/function:
0/Not_Running/Pump not running1
1/Running/Pump is running
  7 0 Name:
Alde_Rsrv1
Function:
Reserved for future use.
File type:
Rsrv08
  8 0 Name:
Alde_Rsrv2
Function:
Reserved for future use.
File type:
Rsrv08
03Ch 1 0 Name:
MasterReqB0
Value/function:
0/SLEEP MODE COMMAND
1/DIAGNOSTIC ADDRESS 'HEATING_TRUMA' (1h)
2/DIAGNOSTIC ADDRESS 'SRV' (2h)
3/DIAGNOSTIC ADDRESS 'AACDometic' (3h)
5/DIAGNOSTIC ADDRESS 'BSH' (5h)
6/DIAGNOSTIC ADDRESS 'LRD' (6h)
8/DIAGNOSTIC ADDRESS 'THETFORD' (8h)
16/DIAGNOSTIC ADDRESS 'HEATING_ALDE' (10h)
25/DIAGNOSTIC ADDRESS 'SAT' (19h)
  2 0 Name:
MasterReqB1
-
  3 0 Name:
MasterReqB2
-
  4 0 Name:
MasterReqB3
-
  5 0 Name:
MasterReqB4
-
  6 0 Name:
MasterReqB5
-
  7 0 Name:
MasterReqB6
-
  8 0 Name:
MasterReqB7
-
01Bh 1 0 Name:
Alde_ActualTemp_Zone1_Rs
Function:
Alde actual temp zone 1
File type:
08_Alde_ActualTemp
Value/range/increment:
0...250/-42...83°C/0.5°C
Value/name/function:
251/NEG_TEMP/Out of range, negative. Temperature is below -42
252/POS_TEMP/Out of range, positive. Temperature is above 83°C
253/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
254/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
255/TEMP_INVALID/Temperature is invalid
  2 0 Name:
Alde_ActualTemp_Zone2_Rs
Function:
Alde actual temp zone
File type:
08_Alde_ActualTemp
Value/range/increment:
2 0...250/-42...83°C/0.5°C
Value/name/function:
251/NEG_TEMP/Out of range, negative. Temperature is below -42
252/POS_TEMP/Out of range, positive. Temperature is above 83°C
253/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
254/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
255/TEMP_INVALID/Temperature is invalid
  3 0 Name:
Alde_ActualTemp_OutDr_Snsr_Rs
Function:
Alde_ActualTemp_OutDr_Snsr_Rs
File type:
08_Alde_ActualTemp
Value/range/increment:
0...250/-42...83°C/0.5°C
Value/name/function:
251/NEG_TEMP/Out of range, negative. Temperature is below -42
252/POS_TEMP/Out of range, positive. Temperature is above 83°C
253/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
254/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
255/TEMP_INVALID/Temperature is invalid
  4 0 Name:
Alde_Zone1ActTargTemp_Rs
Function:
Alde_Zone1ActTargTemp_Rs
File type:
06_Alde_TrgTemp
Value/range/increment:
0...50/5...30°C/0.5°C
Value/name/function:
59/NEG_TEMP/Out of range, negative. Temperature is below 5
60/POS_TEMP/Out of range, positive. Temperature is above 50°C.
61/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
62/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
63/TEMP_INVALID/Temperature is invalid
  4 6 Name:
Alde_GasSetting_Rs
Function:
Gas setting
File type:
01_Alde_GasSetting
Value/name/function:
0/OFF/OFF
1/ON/ON
  4 7 Name:
Alde_Priority_El_Gas_Rs
Function:
Current/gas priority
File type:
01_Alde_Priority_El_Gas
Value/name/function:
0/Prio_Electricity/Priority electricity
1/Prio_Gas/Priority gas
  5 0 Name:
Alde_Zone2ActTargTemp_Rs
Function:
Zone2 active target temperature
File type:
06_Alde_TrgTemp
Value/range/increment:
0...50/5...30°C/0.5°C
Value/name/function:
59/NEG_TEMP/Out of range, negative. Temperature is below 5
60/POS_TEMP/Out of range, positive. Temperature is above 50°C
61/TEMP_SENSOR_NOT_INSTLD/Temperature sensor not installed
62/TEMP_SENSOR_INVALID/Marks that the temperature sensor is not yet implemented and the temperature is invalid
63/TEMP_INVALID/Temperature is invalid
  5 6 Name:
Alde_ElectricitySetting_Rs
Function:
Current setting
File type:
02_Alde_ElectricitySetting
Value/name/function:
0/OFF/OFF
Value/range/increment:
1/kW_1/1 kW
2/kW_2/2 kW
3/kW_3/3 kW
  6 0 Name:
Alde_Panel_Stat_Rs
Function:
Panel ON/OFF
File type:
01_Alde_Panel_Stat
Value/name/function:
0/OFF/OFF
1/ON/ON
0/Apply_sent_sett/Alde panel will apply sent settings from CI-bus master
  6 1 Name:
Alde_Panel_Busy_Rs
Function:
Alde panel busy.
File type:
01_Alde_Panel_Busy
Value/name/function:
0/Apply_sent_sett/Alde panel will apply sent settings from CI-bus master
1/Ignore_sent_sett/Alde panel is busy and will ignore sent settings
  6 2 Name:
RsErr_HAlde
Function:
At least one error is active in the Alde panel.
File type:
01_Alde_Error
Value/name/function:
0/No_Error/No error
1/Error_active/At least one error is active
  6 3 Name:
Alde_HotWaterSetting_Rs
Function:
Hot water setting
File type:
02_Alde_HotWaterSetting
Value/name/function:
0/OFF/OFF
1/Normal/Normal
2/Boost/Boost effect
  6 5 Name:
Alde_ACInstall_Info_Rs
Function:
Information on installation of AC in Alde system
File type:
01_Alde_ACInstall_Info
Value/name/function:
0/Not_Installed/Truma AC is not installed
1/Installed/Truma AC installed
  6 6 Name:
Alde_ACCSetting_Rs
Function:
ACC setting
File type:
01_Alde_ACCSetting
Value/name/function:
0/OFF/OFF
1/ON/ON
  6 7 Name:
Alde_PumpRunning_Rs
Function:
Pump running.
File type:
01_Alde_PumpRunning
Value/name/function:
0/Not_Running/Pump not running1
0/Not_Running/Pump/not running1 runing1
1/Running/Pump is running
  7 0 Name:
Alde_Rsrv1
Function:
Reserved for future use.
File type:
Rsrv08
  8 0 Name:
Alde_Rsrv2
Function:
Reserved for future use.
File type:
Rsrv08
03Dh 1 0 SlaveRespB0 Value/function:
16/DIAGNOSTIC ADDRESS 'HEATING_ALDE' (10h)
  2 0 SlaveRespB1 -
  3 0 SlaveRespB2 -
  4 0 SlaveRespB3 -
  5 0 SlaveRespB4 -
  6 0 SlaveRespB5 -
  7 0 SlaveRespB6 -
  8 0 SlaveRespB7 -
SIGNAL LIST FOR HEATING SYSTEM LIN CONNECTIONS

Signal ID Signal type/number Signal:
Name/function
Parameter
  Byte Bit    
038h 1 0 Name:
HeatingTruma_TargWaterTemp_Rs
Function:
Target water temperature
File type:
16_HeatingTruma_TargWaterTemp
Value/range/increment:
0...3330/-273...60°C/0.1°C
  3 0 Name:
HeatingTruma_EnergySel_Rs
Function:
Energy selection
File type:
08_HeatingTruma_EnergySel
Value/name/function:
1/Fuel/Fuel
2/Electricity/Electricity
3/Both/Both (prio electro)
  4 0 Name:
HeatingTruma_PowerLimit_Rs
Function:
Power output limitation
File type:
16_HeatingTruma_PowerLimit
Value/range/increment:
900...1800/900...1800 W/1 W
  6 0 Name:
HeatingTruma_FrostControl
Function:
Truma frost control heater
File type:
DC_BOOL
  6 1 Name:
HeizungTruma_230VHeatingTruma_230V_Avail
Function:
230 V available
File type:
01_HeizungTruma_230V_HeatingTruma_230V_Avail
Value/name/function:
0/NOT_AVAILABLE/Automatic mode not available
1/AVAILABLE/Automatic mode available
  6 2 Name:
HeatingTruma_WindowSwitch
Function:
Truma window switch heater
File type:
DC_BOOL
  6 3 Name:
HeatingTruma_ManualMode
Function:
Truma heater manual mode
File type:
01_HeatingTruma_ManualMode
Value/name/function:
0/OFF/Manual mode OFF
1/ON/Manual mode ON
  6 4 Name:
HeizungTruma_RFU6
Function:
Reserved for future use.
File type:
Rsrv02
  6 6 Name:
RsErr_HeatingTruma
Function:
Response error
File type:
DC_BOOL
038h 6 7 Name:
HeatingTruma_CombiError
Function:
Truma heater combi error
File type:
DC_BOOL
  7 0 Name:
HeizungTruma_RFU1
Function:
Reserved for future use.
File type:
Rsrv08
  8 0 Name:
HeizungTruma_RFU2
Function:
Reserved for future use.
File type:
Rsrv08
03Ah 1 0 Name:
HeatingTruma_TargAirTemp_Rs
Function:
Target air temperature
File type:
12_HeatingTruma_TargAirTemp
Value/range/increment:
0...3030/-273...30°C/0.1°C
  2 4 Name:
HeatingTruma_Mode_Rs
Function:
Mode
File type:
04_HeatingTruma_Mode
Value/name/function:
0/Normal/Normal
1/Automatic/Automatic
  3 0 Name:
HeizungTruma_RFU1
Function:
Reserved for future use.
File type:
Rsrv08
  4 0 Name:
HeizungTruma_RFU2
Function:
Reserved for future use.
File type:
Rsrv08
  5 0 Name:
HeatingTruma_EnergySel_Rs
Function:
Energy selection
File type:
08_HeatingTruma_EnergySel
Value/name/function:
1/Fuel/Fuel
2/Electricity/Electricity
3/Both/Both (prio electro)
  6 0 Name:
HeizungTruma_RFU3
Function:
Reserved for future use.
File type:
Rsrv08
  7 0 Name:
HeizungTruma_RFU4
Function:
Reserved for future use.
File type:
Rsrv08
  8 0 Name:
HeizungTruma_RFU5
Function:
Reserved for future use.
File type:
Rsrv08
03Dh 1 0 Name:
SlaveRespB0
Value/function:
1/DIAGNOSTIC ADDRESS 'HEATING_TRUMA' (1h)
  2 0 Name:
SlaveRespB1
-
  3 0 Name:
SlaveRespB2
-
  4 0 Name:
SlaveRespB3
-
  5 0 Name:
SlaveRespB4
-
  6 0 Name:
SlaveRespB5
-
  7 0 Name:
SlaveRespB6
-
  8 0 Name:
SlaveRespB7
-
SIGNAL LIST FOR HEATING SYSTEM LIN CONNECTIONS

Signal ID Signal type/number Signal:
Name/function
Parameter
  Byte Bit    
00Ch 4 0 Name:
Thetford_Warn_Error_Info
Function:
Thetford warning/error information
File type:
08_Thetford_Warn_Error_Info
Value/name/function:
0/No_Error/No error
1/GasHeater_ON_when_not_expected/Gas heater ON when not expected
2/Incorrect_Feedback_from_BCM/Incorrect feedback from BCM
3/Gas_Heater_in_Lockout/Gas heater in lockout
4/DC_Heater_Failed/DC heater failed
5/DCHeater_ON_when_not_expected/DC heater ON when not expected
6/DC_Voltage_out_of_bounds/DC voltage out of bounds
7/No_Dplus_Signal/No D+ signal (no DC heater allowed)
8/ACHeater_Failed/AC heater failed
9/ACHeater_ON_when_not_expected/AC heater ON when not expected
10/ACVoltage_out_of_bounds/AC voltage out of bounds
11/AUTO_Mode/In AUTO mode, no power source available
12/No_Communication/No communication
13/No_Thermistor/No thermistor (in BOS mode)
106/DCVoltage_out_of_bounds/DC voltage out of bounds
  5 0 Name:
Thetford_ACVoltage
Function:
Thetford AC voltage
File type:
08_Thetford_ACVoltage
Value/range/increment:
0...255/0...255 V/1 V
  6 0 Name:
Thetford_DCVoltage
Function:
Thetford DC voltage
File type:
08_Thetford_DCVoltage
Value/range/increment:
0...255/0...25, 500 mV/100 mV
  7 0 Name:
-
Function:
-
-
  8 0 Name:
-
Function:
-
-
  8 7 Name:
RsErr_Thetford
Function:
Response error
File type:
DC_BOOL
03Dh 1 0 Name:
SlaveRespB0
Function:
Value/function:
8/DIAGNOSTIC ADDRESS 'THETFORD' (8h)
  2 0 Name:
SlaveRespB1
Function:
-
  3 0 Name:
SlaveRespB2
Function:
-
03Dh 4 0 Name:
SlaveRespB3
Function:
-
  5 0 Name:
SlaveRespB4
Function:
-
  6 0 Name:
SlaveRespB5
Function:
-
  7 0 Name:
SlaveRespB6
Function:
-
  8 0 Name:
SlaveRespB7
Function:
-
037h 1 0 Name:
HeatingTruma_TargWaterTemp_Rq
Function:
Target water temperature
File type:
16_HeatingTruma_TargWaterTemp
Value/range/increment:
0...3330/-273...60°C/0.1°C
  3 0 Name:
HeatingTruma_EnergySel_Rq
Function:
Energy selection
File type:
08_HeatingTruma_EnergySel
Value/name/function:
1/Fuel/Fuel
2/Electricity/Electricity
3/Both/Both (prio electro)
  4 0 Name:
HeatingTruma_PowerLimit_Rq
Function:
Power output limitation
File type:
16_HeatingTruma_PowerLimit
Value/range/increment:
900...1800/900...1800 W/1 W
  6 0 Name:
HeizungTruma_RFU1
Function:
Reserved for future use.
File type:
Rsrv08
  7 0 Name:
HeizungTruma_RFU2
Function:
Reserved for future use.
File type:
Rsrv08
  8 0 Name:
HeizungTruma_RFU3
Function:
Reserved for future use.
File type:
Rsrv08
039h 1 0 Name:
HeatingTruma_TargAirTemp_Rq
Function:
Target air temperature
File type:
12_HeatingTruma_TargAirTemp
Value/range/increment:
0...3030/-273...30°C/0.1°C
  2 4 Name:
HeatingTruma_Mode_Rq
Function:
Mode
File type:
04_HeatingTruma_Mode
Value/name/function:
0/Normal/Normal
1/Automatic/Automatic
  3 0 Name:
HeatingTruma_CompControl
Function:
Composite control
File type:
08_HeatingTruma_CompControl
  4 0 Name:
HeatingTruma_EnergySel_Rq
Function:
Energy selection
Value/name/function:
1/Fuel/Fuel
2/Electricity/Electricity
3/Both/Both (prio electro)
  5 0 Name:
HeizungTruma_RFU1
Function:
Reserved for future use.
File type:
Rsrv08
  6 0 Name:
HeizungTruma_RFU2
Function:
Reserved for future use.
File type:
Rsrv08
  7 0 Name:
HeizungTruma_RFU3
Function:
Reserved for future use.
File type:
Rsrv08
  8 0 Name:
HeizungTruma_RFU4
Function:
Reserved for future use.
File type:
Rsrv08