1. Disconnect the electric socket of the sensor of a detonation and remove the detonation sensor. Fix the detonation sensor in a vice and connect the voltmeter between plugs 1 and 2. |
2. With a hammer sharply strike on a vice and watch voltmeter indications. |
3. Check that the sensor of a detonation gives out peak tension (less than 1 In). |
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4. If peak tension is absent, replace the detonation sensor. |