40 Troubleshooting SEN00460-01
114E-3 Series
29
E-42 Code [553/CA553] Rail Press. High Error 1 1
Error code Failure code
Trouble Abnormally high level in common rail pressure sensor 1
553 CA553
Contents of
trouble
• Voltage (1) in common rail circuit is abnormally high.
Action of con-
troller
• None in particular.
Problem that
appears on
machine
• Engine sound becomes larger under no load or light load.
• Engine output drops.
Related infor-
mation
• Method of reproducing failure code: Start engine.
Possible causes
and standard
value in normal
state
Causes Standard value in normal state/Remarks on troubleshooting
1 Defective related system If another failure code is indicated, carry out troubleshooting for it.
2
Defective connection of
ground terminal
Inspect following directly for connection of ground terminal.
• Ground terminal (battery (–)) of machine main unit.
• Ground terminal of engine
• Ground terminal of engine controller
• Ground terminal of starting motor
3
Broken O-ring of supply
pump actuator
Inspect O-ring directly for breakage.
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