Dtc: P0005; P0005: Fuel Cut Valve Stuck Closed - Hino Motors HINO 155 series Workshop Manual

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DTC: P0005

P0005: Fuel Cut Valve stuck closed

INFORMATION
1. Technical description
• The engine ECU monitors the pressure in the fuel pipe based on the value of the fuel pressure sensor.
<Description of malfunction>
• Sticking of the fuel cut valve (FCV) was detected.
2. DTC set condition
(1) DTC detection condition
• The engine revolution is 700 r/min or more.
• The difference between the actual common rail pressure and the target common rail pressure is 7.8 MPa/sec
or less.
(2) Judgement criteria
• The pressure in the fuel pipe is 0 MPa or less when the engine revolution is 750 r/min, and remains at 0.2 MPa
or less for 30 seconds even when the engine revolution becomes 1000 r/min or more.
3. Reset condition
• Immediately after normal status is resumed
4. Indication, warning or system control regulation when the DTC is set.
• MIL: ON
• SVS light: OFF
5. Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
• –
<Symptoms on the vehicle due to malfunction>
• DPR automatic regeneration may not be performed properly.
6. Pre-inspection work
• Check that the battery voltage is in the normal range.
7. After-inspection work
• Clear all past DTCs.
• Check that no DTC is detected after test drive.
8. Estimated failure factors
• Power supply for fuel cut valve.
• Fuel leakage (loose joint bolt), clogging, crush, and wrong assembly in fuel pipe.
• Defect of fuel cut valve.
ENGINE (J05E)/TROUBLESHOOTING
Fuel cut valve
EBP TYP 0.7A
FCV
(FCV)
Engine ECU
EB4
(FCV)
EN01H02127030602016023
SHTS021270300096