Operation Section
-109-
Table a. MI-04 Diagnostic Fault Codes (Flash Codes)
DFC
Probable Fault
Action
Corrective Action, First Check
56 XDRPSensorInputHigh
+5VDC Transducer power supplied
by the SECM to the sensors is above
+5.20VDC
Engine Shutdown
Measure transducer power at the
TMAP connector with a multimeter
Verify transducer power at the SECM
with a multimeter
Verify transducer power at ETC with
a multimeter
Verify transducer power to the foot
pedal with a multimeter
57 Engine
OverSpeed
Engine RPM increased beyond
maximum RPM set point
Engine
Shutdown
Usually associated with additional
ETC faults
z
Check for ETC Sticking or
other ETC faults
z
Verify if the lift truck was
motored down a steep grade
61 Pedal1SensorInputLo
APP1 signal disconnected, open
circuit or sensor malfunction
(Expected faults when APP
connector is unplugged
CODES: 61 & 66)
MIN Power Limit
Check foot pedal connector
62 Pedal1SensorInputHi
APP1 sensor failure or shorted circuit
MIN Power limit
Check foot pedal connector
63 Pedal1SensorRangeLo
APP1 potentiometer malfunction.
Improper APP1 reading may be due
to dirt or oxidation on the sensor
traces.
Stored Fault Code
(MIL Only)
Check foot pedal connector
64 Pedal1SensorRangeHi
APP1 potentiometer malfunction.
Improper APP1 reading may be due
to dirt or oxidation on the sensor
traces
Stored Fault Code
(MIL Only)
Check foot pedal connector
