Failure Code [Ca123] Charge Air Press Sensor Low Error - Komatsu Galeo PC138US-8 Shop Manual

SEN02463-01

Failure code [CA123] Charge air press sensor low error

User code Failure code
E11
Contents of
• Low voltage was detected in charge pressure sensor circuit.
trouble
Action of
• Fixes charge pressure (400 kPa {4.08 kg/cm
controller
Problem that
appears on • Acceleration performance of engine drops.
machine
• Signal voltage of charge pressure sensor can be checked with monitoring function.
Related
(Code: 36501 Boost pressure sensor voltage).
information
• Method of reproducing failure code: Turn starting switch ON.
Possible causes
and standard
value in normal
state
16
Trouble
CA123
Cause
Carry out troubleshooting for failure code [CA122].
Charge air press sensor low error
(Engine controller system)
2
}) and continues operation.
Standard value in normal state/Remarks on troubleshooting
40 Troubleshooting
1
PC138US, USLC-8