With Manufacturer's Scan Tool

Recirculating valve for turbocharger -N249-, checking

Special tools and equipment

- VAG 1551 Scan Tool (or vehicle system tester VAG 1552 with cable VAG 1551/3B)
- VAG 1526 Hand multimeter or VAG 1715 multimeter
- VAG 1594A Adapter set

Test conditions

- Output Diagnostic Test Mode (DTM) completed

Test sequence

- Switch ignition off.
- Disconnect connector from Recirculating valve for turbocharger -N249-.






- Measure resistance between valve terminals.
Specification: 27 to 30 ohms

If the specification is not obtained:
- Replace Recirculating valve for turbocharger -N249-.
- Check DTC memory.
- Read readiness code.

If the DTC memory has been erased or the Engine Control Module separated from permanent (battery) positive, the readiness code must be generated again.
- Repeat test sequence.

If the specification is not obtained:
- Check wiring for open circuit or short to positive according to wiring diagram.

If no wiring problem is detected:
- Replace Engine Control Module (ECM).
- Check activation of Recirculating valve for turbocharger -N249-.