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Home >> Mercedes Benz >> 2003 >> CLK320 2D Convertible >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- 208 Chassis >> Self-Diagnostic System >> CAN signals, traction system control module (ABS, ETS, ASR, ESP) - AD42.00-P-2000-04A

CAN signals, traction system control module (ABS, ETS, ASR, ESP) - AD42.00-P-2000-04A

Models 129, 140, 168, 170, 202, 208, 210 

Model 163 (except with Code 472a) 

CAN data outputs, ABS control module

CAN signal Information
ABS status
  • Brake lining wear indicator lamp
  • Parking brake operated indicator lamp
  • ABS defect indicator lamp
  • System fault or diagnosis
  • Stop lamp switch:

    brake not operated

    brake operated

    no signal

  • Cruise control operation OFF
  • ABS in order
  • ABS operation OFF
Front left wheel vehicle speed signal
  • Wheel speed
Front right wheel vehicle speed signal
  • Wheel speed
Rear left wheel vehicle speed signal
  • Wheel speed
Rear right wheel vehicle speed signal
  • Wheel speed
Front left wheel speed signal for CC
  • Wheel speed
Front right wheel speed signal for CC
  • Wheel speed
CAN data outputs, ETS/ASR/ESP control module

CAN signal Information
ABS status
  • Cruise control operation OFF
  • ABS in order
  • ABS operation OFF
  • System fault or diagnosis
ETS/ASR/ESP status
  • Brake lining wear indicator lamp
  • Parking brake operated indicator lamp
  • ABS defect indicator lamp
  • ETS/ASR/ESP defect indicator lamp
  • ASR/ESP OFF switch operated -warning light on permanently
  • Slip or system operates -flashing warning light
  • Stop lamp switch

    brake not operated

    brake operated

    no signal

  • ASR request "Start off in 2nd gear"
  • ASR request "Hold gear"
  • Quicker ASR/MSR torque intervention
  • Increase in specified engine torque (MSR active)
  • Reduction in specified engine torque (ASR active)
  • Cruise control operation OFF
  • ASR in order
  • ABS/ASR operation OFF
  • System fault or diagnosis
Front left wheel vehicle speed signal
  • Wheel speed
Front right wheel vehicle speed signal
  • Wheel speed
Rear left wheel vehicle speed signal
  • Wheel speed
Rear right wheel vehicle speed signal
  • Wheel speed
Front left wheel speed signal for CC
  • Wheel speed
Front right wheel speed signal for CC
  • Wheel speed
CAN data inputs, ETS/ASR/ESP control module

CAN signal Information From control module
Engine status
  • Engine speed
  • Engine control module
Engine status
  • Adjusted engine torque for traction control
  • Engine control module
Engine status
  • Atmospheric pressure
  • Engine control module
Engine status
  • Acknowledgment of torque requirement
  • Engine control module
Engine status
  • Pedal value
  • Engine control module
Engine status
  • Indicated engine torque
  • Engine control module
Engine status
  • Engine friction torque
  • Engine control module
Engine status
  • Maximum engine torque
  • Engine control module
Engine status
  • Clutch depressed
  • Engine control module
Vehicle code
  • Series
  • Body
  • Engine
  • Transmission
  • Engine control module
Transmission status
  • Actual gear
  • Target gear
  • ETC
Transmission status
  • Rear-wheel drive
  • 4 wheel drive
  • ETC
Transmission status
  • Shift introduction
  • Transmission in emergency running mode
  • ETC
Transmission code
  • Large transmission
  • Small transmission
  • ETC
Transmission status
  • Torque converter lockup clutch engaged
  • Torque converter lockup clutch disengaged
  • Torque converter lockup clutch slip
  • ETC
Automatic clutch status
  • Actual gear
  • Automatic clutch control module
Automatic clutch status
  • Shift introduction
  • Clutch engaged
  • Clutch disengaged
  • Clutch slip
  • Automatic clutch control module
Automatic clutch status
  • Emergency running mode
  • Automatic clutch control module