| 1. Tighten the parking brake. |
| 2. Start up the engine and warm up it to working temperature. |
| 3. Switch off everything consumers of electric energy. |
| 4. Connect to a high-voltage wire of the first cylinder the stroboscope sensor. |
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5. On combination of labels on a pulley of a cranked shaft with the index on a casing of a gear belt check a corner of an advancing of ignition. Corner of an advancing of ignition: 8±5 ° to VMT (on frequency of rotation of idling)
(6±5 ° to VMT: the A5D engine for Europe)
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Prevention
The corner of an advancing of ignition is not regulated.
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| 6. If the corner of an advancing of ignition is not in limits of the specified range, replace the ESM block. |