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1. Disconnect the socket and at the included ignition check tension existence from the battery on a conclusion 4. If tension is not present, check a chain from the main relay of injection to the sensor. |
| 2. Attach the socket and on the working engine check tension existence between conclusions 1 and 3, having connected щупы the voltmeter to a back part of conclusions. Tension should from 1,0 to 1,5 V.Pri reduction or increase of turns of the engine tension on these conclusions should fluctuate. |
| 3. If tension does not correspond specified, check integrity of wires of the sensor. |
| 4. Before replacement of the sensor check it in car-care center. |
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