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01-139
- Connect test box VAG 1598/31 to control module wiring harness.
If no electrical or wiring concerns are - Check wire for open circuit between test box socket 120 and Wire resistance: max. 1.5
- Additionally check wire for short to battery positive and Ground Specification:
- Check wire for open circuit between 2-pin connector terminal Wire resistance: max. 1.5
Output Diagnosis Test Mode (DTM) |