| Note the following if testers and measuring instruments have to be used during a road test: |
WARNING | t
| Test equipment must always be secured on the rear seat and operated from that position by a second person. |
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| If test and measuring instruments are operated from front passenger's seat and the vehicle is involved in an accident, the person sitting in this seat could be seriously injured when the airbag is triggered. |
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| To avoid injury and/or damage to the injection and glow plug system, note the following: |
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| Switch off the ignition before connecting or disconnecting injection or glow plug system wiring or tester cables. |
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| If the engine has to be operated at the starting speed without actually starting, e.g. to test compression pressure, detach the multi-pin connector for unit injectors and glow plugs on the cylinder head → Fig.. |
Caution | t
| Observe notes on procedure for disconnecting the battery → Rep. Gr.27. |
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| Always switch off the ignition before connecting or disconnecting the battery, otherwise the engine control unit may be damaged. |
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