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Engine management, bus information

Engine management, bus information

The engine management system uses the following information:

Bus messages Unit Transmitter
A/C compressor, request ON/OFF ACC
A/C compressor, request ON/OFF BCM
A/C idle speed increase, request ON/OFF BCM
Outside temperature, corrected value Degrees C BCM
Cruise control, Cancel active ON/OFF CIM
Cruise control, button fault ON/OFF CIM
Cruise control, ON active ON/OFF CIM
Cruise control, Resume active ON/OFF CIM
Cruise control, Set active ON/OFF CIM
Immobilizer information N/A CIM
Lowest idle speed increase due to current consumption Level 0-3 CIM
Key position, ignition switch Lock Off On Start CIM
Total estimated current consumption 0-150A CIM
Outside temperature, high resolution Degrees C CIM
ABS operative ON/OFF TC/ABS/ESP
ABS malfunction ON/OFF TC/ABS/ESP
ESP operative ON/OFF TC/ABS/ESP
Wheel speed, diagnosis finished ON/OFF TC/ABS/ESP
Wheel speed, front left rpm TC/ABS/ESP
Wheel speed, left rear rpm TC/ABS/ESP
Wheel speed, front right rpm TC/ABS/ESP
Wheel speed, rear right rpm TC/ABS/ESP
Wheel revolutions, front left revolutions TC/ABS/ESP
Wheel revolutions, rear left revolutions TC/ABS/ESP
Wheel revolutions, front right revolutions TC/ABS/ESP
Wheel revolutions, rear right revolutions TC/ABS/ESP
TCS active ON/OFF TC/ABS/ESP
TCS present ON/OFF TC/ABS/ESP
TCS permitted ON/OFF TC/ABS/ESP
TCS malfunction ON/OFF TC/ABS/ESP
Traction control, torque request Nm TC/ABS/ESP
Traction control, type of torque limitation, request Off Raise torque Lower torque TC/ABS/ESP
Pressure sensor, master brake cylinder, diagnosis finished ON/OFF TC/ABS/ESP
Manual gearbox, reverse ON/OFF UEC


The engine management system transmits the following information:

Bus messages Unit Receiver
A/C pressure kPa ACC
A/C compressor, clutch active ON/OFF ACC
A/C disengaged, indicator active ON/OFF
Vehicle speed km/h BCM, DDM, DSM, ACC, ICM, MIU, SPA, PDM, PSM, RLDM, RRDM, ACM, SLM, SRM, STC, TPMM, UEC, AMP1, AMP2, CU
Brake pedal, switch active ON/OFF CIM, ICM, REC, ACM, SLM, AHL, TC/ABS/ESP
Glow plug, indicator active ON/OFF MIU
Display text N/A
Cruise control active ON/OFF CIM, TC/ABS/ESP
Cruise control permitted ON/OFF MIU, ACM
Accelerator, kickdown ON/OFF TC/ABS/ESP
Accelerator, position % ICM, ACM, TC/ABS/ESP
Generator malfunction ON/OFF CIM, ICM, MIU
Injected fuel quantity litres ICM, MIU
Check fuel filler flap, B130 indicator active ON/OFF MIU
Clutch pedal, switch active ON/OFF CIM, TC/ABS/ESP
Radiator fan, speed % CIM
Coolant temperature Degrees C BCM, CIM, ACC, ICM, MIU
Turbo gauge % MIU
Engine running Not running Running, idling Running, not idling AHM, BCM, CIM, DDM, ICM, MIU, SPA, PDM, PSM, REC, RRDM, ACM, SLM, UEC, TC/ABS/ESP, CU
Engine, limp-home ON/OFF ICM, TC/ABS/ESP
Engine torque, current Nm ICM, TC/ABS/ESP
Engine torque, limitation failed ON/OFF TC/ABS/ESP
Engine torque, request from TCS failed ON/OFF TC/ABS/ESP
Engine torque, driver request Nm TC/ABS/ESP
Engine torque, maximum Nm TC/ABS/ESP
Engine oil, remaining service life % ICM
Change engine oil now, indicator active ON/OFF ICM
Change engine oil soon, indicator active ON/OFF ICM
Engine oil level, indicator active ON/OFF ICM, MIU
Engine type D223L ACC
Engine speed rpm AHM, CIM, ICM, MIU, ACM, TC/ABS/ESP
Level sensor, fuel 0-255 MIU
Service Engine, not emissions related, request ON/OFF ICM, ACM
Shift up ON/OFF MIU
Throttle position % TC/ABS/ESP
Press brake pedal, indicator active ON/OFF ICM
Distance, rear right wheel metres ICM, MIU, PSM
Distance, rear left wheel metres ICM, MIU, SPA, PDM