Main MFI relay
At ignition inclusion tension of the storage battery moves to the control unit the engine, to fuel nozzles, a measuring instrument of a consumption of air etc., thus tension on a winding of the main relay which, closing on "weight" also moves, includes elements of fuel system.
Check
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Check conductivity between contacts 5 (+) and 1 (–) the relay.
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Relay winding (between contacts 5 and 1)
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Conductivity
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| The winding is included |
No
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| The winding is switched off |
Yes
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If the relay is faulty, replace it.
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Relay winding (between contacts 5 and 3)
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Conductivity
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| The winding is switched off |
No
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| The winding is included |
Yes
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