Cooper (R50) L4-1.6L (W10) (2002)
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Fuel Injector: Electrical Specifications
Fuel Injector Electrical Specifications.
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Voltage is 12 volts when injector is not active.
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Resistance (approximately 12 ohms)
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Power Supply (B+ from Main Relay)
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Status Request - Fuel Injection Signal (approximately 3.0 ms - 5.0 ms)
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EMS2000 final stage activation (see graph)
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Measurement is performed on the negative B- side of injector or trigger pin of EMS2000.
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EMS2000 pulls voltage to ground causing injector to open.
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When EMS2000 releases ground, injector closes and voltage spikes due to induced voltage in coil winding.
