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| Measuring appliance set -V.A.G 1594/C- |
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| Minimum battery tension 11.5 V |
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| Command unit for diesel direct injection -J248- as per. |
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| Fuse for glower plugs (SA3) as per. |
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| Disconnect connector for cooling fluid sensor -G62--arrow-. |
Note | Disconnection of the sensor connector simulates the “cool” engine condition and upon starting the engine a pre-heating corresponding process is carried out. |
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| Disconnect spark plug connectors from glower plugs. |
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| Connect multimeter to measure tension between a glower plug connector and the vehicle ground. |
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| Start engine. For about 20 seconds the approximated battery voltage must be indicated. |
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