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Home >> Mazda >> 2009 >> Tribute s Touring, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Non-Hybrid Engine) >> Electronic Engine Control (EEC) System >> Fuel Systems >> Fuel Pump Driver Module Duty Cycle Signals

Fuel Pump Driver Module Duty Cycle Signals

FUEL PUMP DRIVER MODULE DUTY CYCLE SIGNALS REFERENCE CHART

Duty Cycle Comments
20% This duty cycle indicates the fuel pump control module is receiving an invalid duty cycle from the PCM.
40% This duty cycle indicates the fuel pump control module is receiving an invalid duty cycle from the RCM.
60% This duty cycle indicates the fuel pump control module is functioning normally.
80% This duty cycle indicates the fuel pump control module is detecting a concern with the secondary circuits.
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