Failure Code [Ca2186] Throttle Sens. Sup. Volt. Low Error; Failure Code [Ca2249] Rail Press. Very Low Error - Komatsu Galeo PC138US-8 Shop Manual

SEN02464-01

Failure code [CA2186] Throttle sens. sup. volt. low error

User code Failure code
E14 CA2186
Contents of
• Low voltage was detected in throttle sensor power supply (5 V) circuit.
trouble
Action of
• Sets throttle angle with signal other than throttle sensor signal and continues operation (depending
controller
on each model).
Problem that
appears on
• Engine speed cannot be controlled with fuel control dial.
machine
Related
• Method of reproducing failure code: Turn starting switch ON.
information
Possible causes
and standard
value in normal
state

Failure code [CA2249] Rail press. very low error

User code Failure code
E11 CA2249
Contents of
• Supply pump does not feed fuel (level 2).
trouble
Action of
• Limits common rail pressure.
controller
Problem that
appears on
• Output drops.
machine
• Common rail pressure can be checked with monitoring function.
Related
(Code: 36400 Common rail pressure)
information
• Method of reproducing failure code: Start engine.
Possible causes
and standard
value in normal
state
30
Throttle sens. sup. volt. low error
Trouble
(Engine controller system)
Cause Standard value in normal state/Remarks on troubleshooting
Carry out troubleshooting for failure code [CA2185].
Rail press. very low error
Trouble
(Engine controller system)
Cause Standard value in normal state/Remarks on troubleshooting
Carry out troubleshooting for failure code [CA559].
40 Troubleshooting
1
1
PC138US, USLC-8