| Observe the following to prevent injuries to persons and damage to the injection and ignition system: |
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| Always switch off the ignition before connecting or disconnecting electrical wiring for the injection or ignition system or tester cables. |
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| Always switch off ignition before washing engine. |
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| Faults are stored in engine control unit if electrical connectors have been unplugged: |
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| With ignition switched off, connect vehicle diagnostic, testing and information system -VAS 5051B-. |
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| Start “Guided Functions” mode. |
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| Generate readiness code in engine control unit. |
Caution | To prevent damage to the electronic components when disconnecting the battery: |
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| Observe notes on procedure for disconnecting the battery. |
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| Always switch off the ignition before disconnecting the battery. |
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| Note the following if testers and measuring instruments have to be used during a road test: |
WARNING | Accidents can be caused if the driver is distracted by test equipment while road-testing, or if test equipment is not properly secured. |
| Injuries can also be caused if the passenger's airbag is triggered in a collision. |
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| The use of test equipment while driving causes distraction. |
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| There is an increased risk of injury if test equipment is not secured. |
| Test equipment must always be secured on the rear seat with a strap and operated from the rear seat by a second person. |
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