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P0087 FRP CONTROL SYSTEM EC-821 < DTC/CIRCUIT DIAGNOSIS > [MR EXCEPT FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O 4. CHECK HIGH PRESSURE FUEL PUMP Check high pressure fuel pump. Refer to EC-821, "Component Inspection (High Pressure Fuel Pump)" . Is inspection result normal? YES >> GO TO 5. NO >> Repair or replace the error-detected parts. 5. CHECK HIGH PRESSURE FUEL PUMP LIFTER Check high pressure fuel pump lifter. Refer to EM-203, "Removal and Installation" Does the lifter top surface have scratches and/or dents? YES >> Replace the error-detected parts. NO >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . 6. CHECK LOW PRESSURE FUEL LINE FOR INTERNAL LEAKAGE 1. Turn ignition switch OFF. 2. Connect fuel pressure gauge. Refer to 3. Turn ignition switch ON. 4. Check the following value 30 minutes after turning the ignition switch ON. Is inspection result normal? YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> Replace low pressure fuel pump. Refer to FL-7, "2WD : Removal and Installation" FL-11, "AWD : Removal and Installation" (AWD models). Component Inspection (High Pressure Fuel Pump) INFOID:0000000012198324 1. CHECK HIGH PRESSURE FUEL PUMP-1 1. Turn ignition switch OFF. 2. Disconnect high pressure fuel pump harness connector. 3. Check the resistance between high pressure fuel pump terminals. Is the inspection result normal? YES >> GO TO 2. NO >> Replace high pressure fuel pump. Refer to 2. CHECK HIGH PRESSURE FUEL PUMP-2 WITH CONSULT 1. Reconnect high pressure fuel pump harness connector. 2. Start the engine. 3. Check “FUEL PRES SEN V” in “DATA MONITOR” mode of “ECM” using CONSULT. WITHOUT CONSULT 1. Reconnect high pressure fuel pump harness connector. 2. Start the engine. 3. Check FRP sensor signal voltage. Low fuel pressure : 206 kPa (2.1 bar, 2.2 kgf/cm2, 30 psi) or more + − Condition Resistance (Approx.) High pressure fuel pump Terminal 1 2 Temperature °C (°F) 20 – 30 (68 - 86) 0.46 - 0.51 Ω Monitor item Condition Value (Approx.) FUEL PRES SEN V Engine speed: idle 1,140 – 1,460 mV Engine speed: Revving engine from idle to 4,000 rpm quickly 1,300 – 2,900 mV |