| Production diagnosis (function status register) is a special mode for checking the wiring and correct functioning of the navigation system. It involves automatic checking of the individual fault locations, filing of the result in the so-called function status register (measured value block 007) and permanent storage. |
| Production diagnosis can be disabled/enabled by way of "Adaption" (channel number 03) → Chapter. |
| Production diagnosis is also disabled when a navigation CD is inserted. |
| The “Erasing fault memory” function also resets the function status register. |
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| No navigation CD inserted |
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| Navigation system switched on |
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| Adaption of number of pulses per wheel revolution performed → Chapter |
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| Drive vehicle at a speed of at least 10 km/h |
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| With vehicle stationary, engage reverse gear for at least 2 seconds |
| Value 255 will be displayed in measured value block 007 (function status register) if production diagnosis has been implemented correctly (all test requirements met) and navigation system is OK. |
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