Escort L4-122 2.0L SOHC VIN P SFI (1999)
Fuel Pump Relay: Description and Operation
The constant control relay module uses a combination of relays and solid state switches to control the following systems:
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Engine cooling fan
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A/C clutch
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Fuel pump
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Powertrain control module power
The powertrain control module can interrupt A/C compressor operation through the constant control relay module under the following conditions:
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During engine start-up
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Wide Open Throttle (WOT)
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Low engine idle conditions
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Excessively high engine temperatures