CX210/CX240 ELECTRONIC FUEL SYSTEM
8 - 19
CX EXCAVATORS
FAULT CODE LISTING
Fault Associated Hardware Reason Effect
(only with active code)
F111 Electronic Control Module ECM internal hardware
error
Possible no effect, rough
running engine or no
start.
F115 Crankshaft position
sensor
No speed or position signal
at pin 17 of engine harness
Engine power de-rate
with possible white
smoke
F122 Boost pressure sensor
high
High voltage at pin 45 of
engine harness.
Engine will de-rate to no
boost fueling.
F123 Boost pressure sensor
low
Low voltage at pin 45 of
engine harness.
Engine will de-rate to no
boost fueling
F131 Accelerator pedal
positioning sensor
High voltage at pin 30 of
OEM connector
Engine idles when idle
validation switch
indicates idle and ramps
up to a default speed
when validation is off idle.
F132 Accelerator pedal
positioning sensor
Low voltage at pin 30 of
OEM connector
Same as above.
F135 Engine oil pressure
sensor high
High voltage at pin 33 of
engine harness
Default value used. No
engine protection for oil
pressure
F141 Engine oil pressure
sensor low
Low voltage at pin 33 of
engine harness
Default value used. No
engine protection for oil
pressure
F143 Oil pressure low Pressure measured below
minimum protection limits
Power de-rate and
possible shut-down.
F144 Coolant temperature
sensor high
High voltage at pin 23 of
engine harness
Default value used. No
protection for coolant
temp.
F145 Coolant temp. sensor low Low voltage at pin 23 of
engine harness
Default value used. No
protection for coolant
temp.
F146 Coolant temp. sensor/
EPF
Coolant temp. has
exceeded minimum
protection limits.
Power de-rate, possible
engine shut-down
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