P026C: All Injector (#1 - #4) Injection Quantity And Timing; P026D: All Injector (#1 - #4) Injection Quantity And Timing; Dtc: P026C And P026D - Hino Motors HINO 155 series Workshop Manual

DTC: P026C and P026D

P026C: All injector (#1 - #4) Injection quantity and timing

P026D: All injector (#1 - #4) Injection quantity and timing

INFORMATION
Pressure feeding pipe
Pressure limiter
Overflow
valve
Fuel filter
Injector 4
Injector 3
Injector 2
Injector 1
1. Technical description
• The engine speed main sensor (crankshaft position sensor) monitors the engine speed of #1 – #4 cylinders.
• The average injection quantity into #1 – #4 cylinders is increased and decreased so that the engine speed of each
cylinder is kept constant.
<Description of malfunction>
• Abnormal average injection quantity into #1 – #4 cylinders is detected.
ENGINE (J05E)/TROUBLESHOOTING
Flow damper
Common rail
Pre fuel filter
X49 (#4)
(#40)
X8Y
(#3)
X47
(#30)
X8X
(#2)
X45
(#20)
X0B
(#1)
X42
(#10)
X43
Injection
pipe
Overflow pipe
Supply pump
EN01H02127030602016065
Injector
Leakage pipe
Through feed pipe
Fuel tank
Engine ECU
$XY
(I1+S)
X2X
(#3)
X1Z
(#30)
$XX
(I2+S)
X2W
(#2)
X20 (#20)
%X2 (IJ2+)
X01 (#4)
X3L (#40)
%X1 (IJ1+)
X2V (#1)
X19 (#10)
SHTS021270300361
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