SXTune Documentation
Documentation / CAN communications with 3rd party devices

Wiring & Hardware

CAN communications with 3rd party devices

Configure SCS Delta ECUs to exchange CAN data with compatible third-party devices.

CANTCU transmission controller

This setup applies to Delta 700, Delta 880, Delta 900 and Delta GDI6 ECUs with firmware dated 01.06.2023 or newer.

CAN settings

Configure the User Defined CAN Inputs as shown below. CAN 1 is selected in the example; select CAN 2 instead if the CANTCU GCU is connected to the ECU's second CAN bus.

CANTCU User Defined CAN Input settings.
User Defined CAN Input settings.

Configure the User Defined CAN Outputs as shown below. CAN 1 is selected in the example; select CAN 2 instead if the CANTCU GCU is connected to the ECU's second CAN bus.

CANTCU User Defined CAN Output settings.
User Defined CAN Output settings.

Torque Manager settings

Configure the Torque Manager variables as shown below.

Torque Manager variables for CANTCU integration.
Torque Manager variables.

Engine torque map

The Engine Torque map should be calibrated on a dyno or rolling road. It can be estimated from a full-load power curve.

Example Engine Torque map.
Example Engine Torque map.

Engine Torque Air Temp Multiplier

Engine Torque Air Temp Multiplier map.
Engine Torque Air Temp Multiplier.

Friction Torque

Example Friction Torque map.
Friction Torque example map.

Ignition Retard f(Torque Factor) %

Ignition Retard versus Torque Factor map.
Ignition Retard f(Torque Factor) %.

Engine Torque Minimum-Fast (%)

Engine Torque Minimum-Fast map.
Engine Torque Minimum-Fast (%).

Rev Matching settings

Configure the Downshift Rev Matching variables as shown below.

Downshift Rev Matching variables.
Downshift Rev Matching variables.

Rev Match Proportional Spark Advance

Rev Match Proportional Spark Advance example map.
Rev Match Proportional Spark Advance example map.

Rev Match Feed Forward TPS %

Rev Match Feed Forward TPS example map.
Rev Match Feed Forward TPS % example map.