SL 600 (129.076) V12-6.0L (120.983) (1997)
Traction Control Module: Description and Operation
Electronic Stability Program (ESP)
Task
Perform all brake functions of ABS, Acceleration Slip Regulation (ASR) and Electronic Stability Program (ESP). Influence the
engine/transmission management in the event of ESP control.
Supplies other systems with the vehicle speed signal and wheel speed status signal.
Supplies the instrument cluster with the signals for the lamps via a serial line or Controller Area Network (CAN) data bus:
Brake pad wear indicator (A1e6), low brake fluid level/parking brake indicator lamp (A1e7), ABS MIL (A1e17), ESP MIL or BAS/ESP
malfunction indicator lamp (A1e42 or A1e47) and ESP warning lamp (A1e41)
NOTE: For model name/model number cross reference refer to Model Designation Table. See: Application and ID
Function
The ESP control module is divided up Functionally as follows'.
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Signal conditioning
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Function logic section
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Safety circuit
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Additional Functions
Signal Conditioning
The following input signals are processed by the function logic section for calculation or as information.
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Calculation of vehicle speed/slip
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Speed sensor signals
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Calculation of lateral forces
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Steering angle sensor signal