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Siemens MS43 CAN Bus
From MS4X Wiki
The CAN Bus on BMWs E46 chassis operates at a speed of 500kb/s
Traction Control
ASC1 0x153
Refresh Rate: 10ms
ASC3 0x1F3
Refresh Rate: 10ms
Engine
DME1 0x316
Refresh Rate: 10ms
- Byte 0 - Bitfield
- Bit 0 - LV_SWI_IGK
- Ignition Key Voltage State
- 0 = terminal 15 off detected
- 1 = terminal 15 on detected
- Bit 1 - LV_F_N_ENG
- Crankshaft Sensor State
- 0 = no CRK error present
- 1 = CRK error present
- Bit 2 - LV_ACK_TCS
- Traction Control State
- 0 = either ASC1 was not received within the last 500 ms or it contains a plausibility error
- 1 = the ASC message ASC1 was received within the last 500 ms and contains no plausibility errors of the requirements TQI_ASR_CAN / TQI_MSR_CAN
- Bit 3 - LV_ERR_GC
- Gear Change Error State
- 0 = gear change not or partly possible
- 1 = gear change possible
- Bit 4 - SF_TQD [0]
- Bit 5 - SF_TQD [0]
- Charge Intervention State
- 0 = the required intervention can be performed completely or if there is no ASC requirement.
- 1 = the required intervention cannot be performed completely because the IGA retard limit is reached.
- 2 = the required intervention cannot be performed completely because the charge actuators are fully closed (this case is not possible with MTC without break-away mechanism)
- 3 = "limited vehicle dynamics" is active (MTC/ISA error)
- Bit 6 - Unused
- Bit 7 - LV_F_SUB_TQI
- MAF Error State
- 0 = MAF ok
- 1 = MAF error present
- Bit 0 - LV_SWI_IGK
- Byte 1 - TQI_TQR_CAN
- Indexed Engine Torque in % of C_TQ_STND (including ASR/MSR/ETCU/LIM/AMT/GEAR intervention)
- Byte 2 - N_ENG [LSB]
- Byte 3 - N_ENG [MSB]
- Engine Speed in rpm
- Calculation = HEX[MSB] * 256 + HEX[LSB]
- Byte 4 - TQI_CAN
- Indicated Engine Torque in % of C_TQ_STND (based on PVS, N, AMP, TIA ,TCO, IGA, PUC)
- Byte 5 - TQ_LOSS_CAN
- Engine Torque Loss (due to engine friction, AC compressor and electrical power consumption) in % of C_TQ_STND
- Byte 6 - TQI_MAF_CAN
- Theorethical Engine Torque in % of C_TQ_STND after charge intervention (based on MAF, IGA)
- Byte 7 - Bitfield
- Bit 0 - ERR_AMT_CAN
- Bit 1 - ERR_AMT_CAN
DME2 0x329
Refresh Rate: 10ms
- Byte 0 - Multiplexed Information
- Bit 0 - MUX_INFO [0]
- Bit 1 - MUX_INFO [1]
- Bit 2 - MUX_INFO [2]
- Bit 3 - MUX_INFO [3]
- Bit 4 - MUX_INFO [4]
- Bit 5 - MUX_INFO [5]
- MD_NORM = Refactored C_TQ_STND from 0x3FF (0-1023Nm) to 0x3F (0-1008Nm) with decreased resolution of 16Nm
- Bit 6 - MUX_CODE [0]
- Bit 7 - MUX_CODE [1]
- 0 = CAN_LEVEL
- 2 = OBD_STEUER
- 3 = MD_NORM
- Byte 1 - TEMP_ENG
- Engine (Coolant) Temperature in °C
- Calculation = (HEX * 0.75) - 48°C
- Init: 0xFF
- Min: 0x01 (-48°C)
- Max: 0xFF (142.5°C)
- Byte 2 - AMP_CAN
- Ambient Pressure in hPa
- Calculation = (HEX * 2) + 598hPa
- Init = 0x00
- Min = 0x01 (600hPa)
- Max = 0xFE (1106hPa)
- Error = 0xFF
- Byte 3 - Bitfield
- Bit 0 - LV_SWI_CLU
- Clutch Switch State
- 0 = released
- 1 = depressed
- Bit 1 - LV_LEVEL_IS
- Idle Regulator State
- 0 = idle above threshold
- 1 = idle below threshold
- Bit 2 - LV_ACK_CRU_AD_ECU
- Acknowledge of ACC1 CAN Message
- 0 = nACK
- 1 = ACK
- Bit 3 - LV_ERU_CAN
- Engine Running State
- 0 = engine stopped
- 1 = engine running
- Bit 4 - (STATE_CRU_CAN)???
- Bit 5 - STATE_MSW_CAN [0]
- Bit 6 - STATE_MSW_CAN [1]
- Bit 7 - STATE_MSW_CAN [2]
- 0 = No Button Pressed (Init Value)
- 1 = Set / Acceleration (tip-up)
- 2 = Deceleration (tip-down)
- 3 = Resume
- 4 = Deactivate (I/O)
- 7 = Error Condition
- Bit 0 - LV_SWI_CLU
- Byte 4 - TPS_VIRT_CRU_CAN
- Byte 5 - TPS_CAN
- Accelerator Pedal Position in % of PVS_MAX
- Calculation = HEX / 2.56
- Init = 0x00
- Min = 0x01 (0%)
- Max = 0xFE (99.2%)
- PVS Error = 0xFF
- Byte 6 - Bitfield
- Bit 0 - LV_BS
- Brake Switch State
- 0 = brake not actuated
- 1 = brake actuated
- Bit 1 - LV_ERR_BS
- Brake Switch System State
- 0 = brake switch system OK
- 1 = brake switch system faulty
- Bit 2 - LV_KD_CAN
- Kick Down State
- 0 = kick down not active
- 1 = kick down active
- Bit 3 - STATE_CRU_CAN [0]
- Bit 4 - STATE_CRU_CAN [1]
- Bit 5 - STATE_CRU_CAN [2]
- 0 = LV_CRU_ACT = 0
- 1 = LV_CRU_ACT = 1, constant drive (or tip-up / tip-down)
- 3 = LV_CRU_ACT = 1, resume
- 5 = LV_CRU_ACT = 1, set / acceleration
- 7 = LV_CRU_ACT = 1, deceleration
- Bit 6 - REQ_SHIFTLOCK [0]
- Bit 7 - REQ_SHIFTLOCK [1]
- 0 = no actuation is active
- 3 = actuation ISA, MTC or N_SP_IS is active
- Bit 0 - LV_BS
- Byte 7 - Unused
DME4 0x545
Refresh Rate: 10ms
- Byte 0 - Bitfield
- Bit 0 - DDE: Pre-Glow Active
- Bit 1 - LV_MIL - Check Engine Light
- Bit 2 - Unused
- Bit 3 - LV_MAIN_SWI_CRU - CRU_MAIN_SWI
- Bit 4 - LV_ETC_DIAG - EML Light
- Bit 5 - DDE: Boost Control Failure
- Bit 6 - LV_FUC_CAN - Fuel Tank Cap Light
- Bit 7 - DDE: Battery Count
- Byte 1 - FCO - Fuel Consumption LSB
- Byte 2 - FCO - Fuel Consumption MSB
- Byte 3 - Bitfield
- Bit 0 - Oil Level Error LED M5 Cluster
- Bit 1 - Oil Level Warning LED Every Other Cluster
- Bit 2 - Oil Level Error LED M5 Cluster
- Bit 3 - LV_TEMP_ENG - Coolant Overheating Light
- Bit 4 - M-Cluster Warm-Up LEDs
- Bit 5 - M-Cluster Warm-Up LEDs
- Bit 6 - M-Cluster Warm-Up LEDs
- Bit 7 - DDE: Gear Change Request
- Byte 4 - TOIL_CAN - Oil Temperature
- Byte 5 -
- Byte 6 - MSS54HP: Oil Level
- Byte 7 - Unused
Automatic Transmission
SSG1 0x43D
Refresh Rate: 10ms
- Byte 0 - Bitfield
- Bit 0 - GEAR_INFO - Active Gear
- Bit 1 - GEAR_INFO - Active Gear
- Bit 2 - GEAR_INFO - Active Gear
- Bit 3 - LV_GS - Gear Shift Active
- Bit 4 - STATE_AMT - Status Shift Process
- Bit 5 - STATE_AMT - Status Shift Process
- Bit 6 -
- Bit 7 - LV_AMT_ES - Engine Stop Request From SMG TCU
- Byte 1 - Bitfield
- Bit 0 - GEAR_SEL_DISP
- Bit 1 - GEAR_SEL_DISP
- Bit 2 - GEAR_SEL_DISP
- Bit 3 - GEAR_SEL_DISP
- Bit 4 - STATE_AMT_OBD
- Bit 5 - STATE_AMT_OBD
- Bit 6 - STATE_AMT_OBD
- Bit 7 - STATE_AMT_OBD
- Byte 2 - Bitfield
- Bit 0 -
- Bit 1 -
- Bit 2 -
- Bit 3 - LV_CITY
- Bit 4 -
- Bit 5 - LV_HPA
- Bit 6 - bitfield_FD20_20
- Bit 7 -
- Byte 3 - TQI_AMT_CAN
- Byte 4 - TQI_MAF_AMT_CAN
- Byte 5 - Bitfield
- Bit 0 - LV_GP - Gearbox Protection
- Bit 1 -
- Bit 2 - CTR_AMT - Message Counter For AMT TQI Request
- Bit 3 - CTR_AMT - Message Counter For AMT TQI Request
- Bit 4 - CTR_AMT - Message Counter For AMT TQI Request
- Bit 5 - CTR_AMT - Message Counter For AMT TQI Request
- Bit 6 - STATE_CLU_AMT - State SMG Clutch
- Bit 7 - STATE_CLU_AMT - State SMG Clutch
- Byte 6 - TQI_AMT_CPL_CAN
- Byte 7 - N_MAX_AMT_CAN - Engine Speed Limiter Override During Gearshift
EGS1 0x43F
Refresh Rate: 10ms
- Byte 0 - Bitfield
- Bit 0 - GEAR_INFO [0]
- Bit 1 - GEAR_INFO [1]
- Bit 2 - GEAR_INFO [2]
- Current Active Gear
- Bit 3 - LV_GS - Gear Shift Active
- Bit 4 - OBD_F - OBD-relevant DTC Active
- Bit 5 - LV_GP_CAN - Gearbox Protection
- Bit 6 - S_KUPPL / STATE_CC - State Converter Clutch
- Bit 7 - S_KUPPL / STATE_CC - State Converter Clutch
- Byte 1 - Bitfield
- Bit 0 - GEAR_SEL_DISP [0]
- Bit 1 - GEAR_SEL_DISP [1]
- Bit 2 - GEAR_SEL_DISP [2]
- Bit 3 - GEAR_SEL_DISP [3]
- Positionswählhebelanzeige
- Bit 4 - STATE_ETCU_OBD [0]
- Bit 5 - STATE_ETCU_OBD [1]
- Bit 6 - STATE_ETCU_OBD [2]
- Bit 7 - STATE_ETCU_OBD [3]
- OBD-Status Transmission Control Unit
- Byte 2 - Bitfield
- Bit 0 - SMG_WHL_ANZ - SMG-Wählhebelstellung
- Bit 1 - SMG_WHL_ANZ - SMG-Wählhebelstellung
- Bit 2 - Unused
- Bit 3 - Unused
- Bit 4 - Unused
- Bit 5 - PRG_INF_ANZ - Programminformationsanzeige
- Bit 6 - PRG_INF_ANZ - Programminformationsanzeige
- Bit 7 - PRG_INF_ANZ - Programminformationsanzeige
- Byte 3 - TQI_ETCU_CAN - Momenteneingriff der GS bezogen auf das indizierte Motormoment
- Byte 4 - N_ABTR - Abtriebsdrehzahl
- Byte 5 - Bitfield
- Bit 0 - L_GS - Störanzeige
- Bit 1 - L_GS - Störanzeige
- Bit 2 - TCU_TYP - Steuergerätetyp EGS/SMG
- Bit 3 - S_EGW - Schalter Getriebeölthermostat
- Bit 4 - LV_TOIL_GEAR_CAN - Schalter Getriebeölübertemperatur
- Bit 5 - Unused
- Bit 6 - DT_REINF - Drivetrain Reinforcement
- Bit 7 - DT_REINF - Drivetrain Reinforcement
- Byte 6 - DT_REINF - Drivetrain Reinforcement
- Byte 7 - TQ_CONV_CAN - Momentaufnahme Getriebe
SMG2 0x43F
Refresh Rate: 10ms
- Byte 0 - Bitfield
- Bit 0 - DESIRED_GEAR [0]
- Bit 1 - DESIRED_GEAR [1]
- Bit 2 - DESIRED_GEAR [2]
- Desired Gear After Shift
- 0 = Neutral
- 1 = 1st Gear
- 2 = 2nd Gear
- 3 = 3rd Gear
- 4 = 4th Gear
- 5 = 5th Gear
- 6 = 6th Gear
- 7 = Reverse
- Bit 3 - LV_GS
- Gear Shift Active
- 0 = no
- 1 = yes
- Bit 4 - Unused
- Bit 5 - GEAR_SEL_AUTO
- Gear Selector Auto Position
- 0 = no
- 1 = yes
- Bit 6 - STATE_CLUTCH [0]
- Bit 7 - STATE_CLUTCH [1]
- State Converter Clutch
- 0 = opened
- 1 = closed
- 2 = opening
- 3 = closing
- Byte 1 - Bitfield
- Bit 0 - GEAR_INFO [0]
- Bit 1 - GEAR_INFO [1]
- Bit 2 - GEAR_INFO [2]
- Bit 3 - GEAR_INFO [3]
- Current Gear Display Information
- 0 = Clear Screen
- 1 = 1st Gear
- 2 = 2nd Gear
- 3 = 3rd Gear
- 4 = 4th Gear
- 5 = Auto / D
- 6 = Neutral
- 7 = Reverse
- 9 = 5th Gear
- 10 = 6th Gear
- Bit 4 - Unused
- Bit 5 - Unused
- Bit 6 - Unused
- Bit 7 - Unused
- Byte 3 - CHKSM_GEAR_INFO
- Checksum and life counter for current gear shown in cluster display
- Calculation:
- There is a COUNTER with an initialization value of 0x00
- CHKSM_GEAR_INFO = Xor COUNTER, GEAR_INFO
- CHKSM_GEAR_INFO = Negate CHKSM_GEAR_INFO
- CHKSM_GEAR_INFO = And CHKSM_GEAR_INFO , 0x0F
- CHKSM_GEAR_INFO = Lsh CHKSM_GEAR_INFO , 4
- CHKSM_GEAR_INFO = Or CHKSM_GEAR_INFO , GEAR_INFO
- COUNTER++
- COUNTER is incremented every time after the CAN message has been sent
Instrument Cluster
ICL2 0x613
Refresh Rate: 200ms
- Byte 0 - KM_CTR_CAN - Odometer LSB
- Byte 1 - KM_CTR_CAN - Odometer MSB
- Byte 2 - FTL_CAN - Fuel Tank Level (Bits 0-6)
- Bit 7 - FTL_RES_CAN - Fuel Tank Level Reserve Switch
- Byte 3 - T_REL_CAN - Running Clock LSB
- Byte 4 - T_REL_CAN - Running Clock MSB
- Byte 5 - FTL_CAN_L - Fuel Tank Level Driver Side (Bits 0-5)
- Bit 6 - Unused
- Bit 7 - Unused
- Byte 6 - Unused
- Byte 7 - Unused
ICL3 0x615
Refresh Rate: 200ms
- Byte 0 - Bitfield
- Bit 0 - TQ_ACCIN_CAN - Torque Offset For Air Conditioning Compressor (Bit 0)
- Bit 1 - TQ_ACCIN_CAN - Torque Offset For Air Conditioning Compressor (Bit 1)
- Bit 2 - TQ_ACCIN_CAN - Torque Offset For Air Conditioning Compressor (Bit 2)
- Bit 3 - TQ_ACCIN_CAN - Torque Offset For Air Conditioning Compressor (Bit 3)
- Bit 4 - TQ_ACCIN_CAN - Torque Offset For Air Conditioning Compressor (Bit 4)
- Bit 5 - LV_REQ_TCO_L - Request For Lowest Cooling Temp (c_tco_bol_ect)
- Bit 6 - LV_ACCIN - Air Conditioning Compressor Status (0=off, 1=on)
- Bit 7 - LV_ACIN - Air Conditioning Request
- Byte 1 - Bitfield
- Bit 0 - LV_REQ_HEAT - Increased Heat Request
- Bit 1 - LV_TOW - Trailer Operation Mode
- Bit 2 - LV_LGT - Day / Night Lighting
- Bit 3 - LV_HS - Hood Switch
- Bit 4 - N_ECF - Electric Cooling Fan Level (Bit 0)
- Bit 5 - N_ECF - Electric Cooling Fan Level (Bit 1)
- Bit 6 - N_ECF - Electric Cooling Fan Level (Bit 2)
- Bit 7 - N_ECF - Electric Cooling Fan Level (Bit 3)
- Byte 2 -
- Byte 3 - TAM_CAN - Ambient Temperature
- Byte 4 - Bitfield
- Bit 0 - LV_DOOR - Door Switch
- Bit 1 - LV_HBR - Hand Brake Switch
- Bit 2 -
- Bit 3 -
- Bit 4 -
- Bit 5 - LV_REQ_TCO_L -
- Bit 6 - LV_ACCIN - Air Conditioning Compressor Status (0=off, 1=on)
- Bit 7 - LV_ACIN - Air Conditioning Request
- Byte 5 -
- Byte 6 -
- Byte 7 -