C1702

DTC C1702 VARIANT CODING

GENERAL DESCRIPTION
A hardware difference of ECU does not exist according to the specification of the vehicle, but a software changes according to deference of vehicle parameter. The ESC stores variant code (data of engine, displacement volume, T/M) at the ECU memory. Since then a ESC uses the stored data.

COMPONENT INSPECTION
*Variant Coding.
1. Install a EMS/TCU/ESC normally.
2. Connect a scanner to the vehicle.
3. IGN On
4. Scanner On
5. Select a brake mode.
6. Push the Variant Coding button.
7. Scanner Off
8. IGN Off
9. Remove the scanner.
10. IGN On
11. Finish the Variant Coding.