E46 CAN Bus: Difference between revisions

Revision as of 19:28, 2 January 2021

The CAN Bus on BMWs E46 chassis operates at a speed of 500kb/s

Byte 0 - Bitfield: Dash Lights
- Bit 0 - Unused
- Bit 1 - CEL
- Bit 2 - Unused
- Bit 3 - CRU_MAIN_SWI
- Bit 4 - EML
- Bit 5 - Unused
- Bit 6 - check gas tank cap
- Bit 7 - Unused
Byte 1 - Fuel Consumption LSB
Byte 2 - Fuel Consumption MSB
Byte 3 - Bitfield: Oil And Cooling Lights
- 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 - 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 - Unused
Byte 4 - Oil Temperature
Byte 5 - unused on MS42 |
Byte 6 - unused except in MSS54HP: oil level
Byte 7 - unused

@@ Line 8: / Line 8: @@
 ==DME4 0x545==
-*'''Byte 0''' - Bitfield For dash lights
+*'''Byte 0''' - Bitfield: Dash Lights
-**'''Bit 0''' - unused
+**'''Bit 0''' - Unused
 **'''Bit 1''' - CEL
-**'''Bit 2''' - unused
+**'''Bit 2''' - Unused
 **'''Bit 3''' - CRU_MAIN_SWI
 **'''Bit 4''' - EML
-**'''Bit 5''' - unused
+**'''Bit 5''' - Unused
 **'''Bit 6''' - check gas tank cap
-**'''Bit 7''' - unused
+**'''Bit 7''' - Unused
-*'''Byte 1''' - Fuel consumption LSB
+*'''Byte 1''' - Fuel Consumption LSB
-*'''Byte 2''' - Fuel consumption MSB
+*'''Byte 2''' - Fuel Consumption MSB
-*'''Byte 3''' - Bitfield Oil And Cooling Ligts
+*'''Byte 3''' - Bitfield: Oil And Cooling Lights
-*'''Byte 4''' - oil temperature
+**'''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''' - 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''' - Unused
+*'''Byte 4''' - Oil Temperature
 *'''Byte 5''' - unused on MS42 |
 *'''Byte 6''' - unused except in MSS54HP: oil level
 *'''Byte 7''' - unused