P0611: Fuel Injector Driver Charge Circuit - Circuit (Circuit Low); Dtc: P0611 - Hino Motors HINO 155 series Workshop Manual

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DTC: P0611

P0611: Fuel injector driver charge circuit - circuit (circuit low)

INFORMATION
1. Technical description
• –
<Description of malfunction>
• Low voltage failure of injector actuation charging circuit is detected.
2. DTC set condition
(1) DTC detection condition
• Starter key "ON".
• Battery voltage is in the range of 10 V to 16 V.
• With the injector not operating
(2) Judgement criteria
• Injector driver charge circuit voltage remains at 55 V or less for 0.096 seconds or more.
3. Reset condition
• After normal operation is restored and engine is restarted after engine stall.
4. Indication, warning or system control regulation when the DTC is set.
• MIL: ON
• SVS light: OFF
• Engine output is restricted.
• Cruise control function is not available.
• Idling stop system is not available.
• Vehicle start control is not available.
• PTO is not available.
5. Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
• Engine output is insufficient.
• Cruise control does not work.
• Idling stop system does not work.
• Vehicle start control does not work.
• PTO cannot be used.
<Symptoms on the vehicle due to malfunction>
• –
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 stored after test drive.
8. Estimated failure factors
• Engine ECU failure
• Temporary operating error due to radio wave interference or noise.
ENGINE (J05E)/TROUBLESHOOTING
EN01H02127030602016102