ENGINE (J05E)/TROUBLESHOOTING2–294
DTC: P016E and P016F
EN01H02127030602016051
P016E: Fuel system pressure control - high
INFORMATION
1. Technical description
• The common rail pressure is controlled by the discharge of the supply pump.
• The supply pump discharge rate is adjusted by the SCV (suction control valve).
<Description of malfunction>
• Abnormally high fuel pressure inside common rail is detected.
2. DTC set condition
(1) DTC detection condition
• Engine speed ≥ 700 r/min.
• Fuel injection quantity ≥ 5 mm
3
/st. cyl.
• Fuel injection quantity fluctuation < -26.6 mm
3
/st. cyl.
• Target current value of SCV ≤ 1,500 mA.
(2) Judgement criteria
• (Actual common rail pressure – target common rail pressure) ≥ 15 MPa for 15 seconds.
3. Reset condition
• After restoration to normal condition and starter key "LOCK".
4. Indication, warning or system control regulation when the DTC is set.
• MIL: ON
• SVS light: OFF
• Engine output is restricted.
Supply pump
Flow damper
Injection
pipe
Common rail
Pressure feeding pipe
Pressure limiter
Overflow pipe
Injector
Through feed pipe
Leakage pipe
Pre fuel filter
Fuel filter
Fuel tank
Overflow
valve
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