ESP function: ASR

The function of ASR requires an exchange of signals between the ABS Control Module (w/EDL) -J104-, the Engine Control Module (ECM) and the Transmission Control Module (TCM) (only for vehicles with automatic transmission). The control modules communicate with each other.

The data is transferred via CAN-bus. See CAN-BUS, FUNCTION  .

The ASR traction control system prevents the driven wheels from spinning under acceleration; the system operates by reducing engine torque and is active at all speeds. The EDL and ASR functions are combined in order to assist acceleration.