Programming and Relearning

CODING AND CHECKING ENGINE CONTROL MODULE

Special tools, testers and auxiliary items
- VAG 1598 test box
- Hand multimeter VAG 1526 or multimeter VAG 1715
- VW 1594 connector test kit
- Wiring diagram

Work sequence





- Connect VAG 1598 test box to engine control module wiring harness.
- Check wiring between test box sockets 56 and 58 for open circuit according to wiring diagram.

Resistance:
- Vehicles with automatic transmission: Max. 1.5 Ohms
- Vehicles with manual transmission: Infinity Ohms

If the specifications are not attained:
- Locate and repair open circuit using wiring diagram.

NOTE: Incorrect coding leads to:
- Engine running malfunctions
- Increased fuel consumption
- Increased emissions
- Malfunctions stored in DTC memory that are not actually present
- Reduced transmission life