Service & Repair Manual

28-12
Checking activation
- Disconnect connectors from all six fuel injectors.
(afterward check DTC memory)
If specified values are not obtained:
- Connect VAG1527B voltage tester as follows:
Harness connector
Terminal
Measure to
3 Engine Ground (GND)
4 Engine Ground (GND)
5 Engine Ground (GND)
- Operate starter for a few seconds.
LED must blink (brief blink signal).
- Switch ignition off.
- Connect VAG1598/31 test box at wiring harness to ECM, do not
connect ECM Page 24-17 .
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