| Testing voltage supply, terminal 15 |
| For engines with identification characters AEG, APK, AQY |
| –
| Connect test box-V.A.G 1598/22- to the wiring loom on the engine control unit → Chapter. |
| –
| Use multimeter to measure voltage supply between sockets 1 + 2 of test box. |
| For engines with identification characters AZH, AZJ |
| –
| Connect test box-V.A.G 1598/31- to the wiring loom on the engine control unit → Chapter. The control unit is not connected for this test. |
| –
| Use multimeter to measure voltage supply between sockets 1 + 3 of test box. |
| Continued for all engines |
| Specified value: min. 11.5 V |
| If the specified value is not reached: |
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