Variant Coding (In Case ECS Unit Is Replaced With New One)
- Ignition "OFF"
- Connect KDS/GDS to Data Link Connector (DLC).
- Ignition "ON"
- Select "Vehicle S/W Management" on KDS/GDS.
- Perform
"ECS Variant Coding" in "Vehicle S/W Management" with KDS/GDS.
* Before performing the variant coding function, ECS coding code is required from GSW site.
- Did the same DTC is stored in the system?
YES
- Substitute with a known-good "ECS ECU" and check for proper operation. If the problem is corrected, replace "ECS ECU" and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Fault is intermittent caused by poor contact in the ECS ECM connector or was repaired and ECS ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.