
-98-
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Operation Section
Operation Section
Advanced Diagnostics
Advanced Diagnostics
MI-07 systems are equipped with built-in fault
MI-07 systems are equipped with built-in fault
diagnostics. Detected system faults can be
diagnostics. Detected system faults can be
displayed by the Malfunction Indicator Lamp (MIL)
displayed by the Malfunction Indicator Lamp (MIL)
as Diagnostic Fault Codes (DFC) or flash codes,
as Diagnostic Fault Codes (DFC) or flash codes,
and viewed in detail with the use of the Service Tool
and viewed in detail with the use of the Service Tool
software. When the ignition key is turned on, the MIL
software. When the ignition key is turned on, the MIL
will illuminate and remain on until the engine is
will illuminate and remain on until the engine is
started. Once the engine is started, the MIL lamp will
started. Once the engine is started, the MIL lamp will
go out unless one or more fault conditions are
go out unless one or more fault conditions are
present. If a detected fault condition exists, the fault
present. If a detected fault condition exists, the fault
or faults will be stored in the memory of the small
or faults will be stored in the memory of the small
engine control module (SECM). Once an active fault
engine control module (SECM). Once an active fault
occurs the MIL will illuminate and remain ON. This
occurs the MIL will illuminate and remain ON. This
signals the operator that a fault has been detected
signals the operator that a fault has been detected
by the SECM.
by the SECM.
Reading Diagnostic Fault Codes
Reading Diagnostic Fault Codes
All MI-07 fault codes are three-digit codes. When the
All MI-07 fault codes are three-digit codes. When the
fault codes are retrieved (displayed) the MIL will
fault codes are retrieved (displayed) the MIL will
flash for each digit with a short p
flash for each digit with a short pause (0.5 seconds)
ause (0.5 seconds)
between digits and a long pause (1.2 seconds)
between digits and a long pause (1.2 seconds)
between fault codes. A code 12 is displayed at the
between fault codes. A code 12 is displayed at the
end of the code list.
end of the code list.
EXAMPLE:
EXAMPLE: A
A code
code 461
461 (ETCStickin
(ETCSticking) h
g) has
as been
been
detected and the engine has shut down and the M
detected and the engine has shut down and the MIL
IL
has remained ON. When the codes are displayed
has remained ON. When the codes are displayed
the MIL will flash four times (4), pause, then flash si
the MIL will flash four times (4), pause, then flash six
x
times (6), pause, then flash one time (1) This
times (6), pause, then flash one time (1) This
identifies a four sixty one (461), which is the
identifies a four sixty one (461), which is the
ETCSticki
ETCSticking fault. If a
ng fault. If any additional faults were
ny additional faults were
stored, the SECM would again have a long pause,
stored, the SECM would again have a long pause,
then display the next fault by flashing each digit.
then display the next fault by flashing each digit.
Since no other faults were stored there will be a lo
Since no other faults were stored there will be a long
ng
pause then one flash (1), pause, then two fla
pause then one flash (1), pause, then two flashes
shes
(2). This identifies a twelve, signifying the end of the
(2). This identifies a twelve, signifying the end of the
fault list. This list will then repeat.
fault list. This list will then repeat.
(1) Malfunction Indicator Lamp(MIL)
(1) Malfunction Indicator Lamp(MIL) for Engine control system.
for Engine control system.
Displaying Fault Codes (DFC) from
Displaying Fault Codes (DFC) from
SECM Memory
SECM Memory
To enter code display mode you must turn O
To enter code display mode you must turn OFF the
FF the
ignition key. Now turn ON the key but do not
ignition key. Now turn ON the key but do not start
start
the engine. As soon as you
the engine. As soon as you turn the key to the ON
turn the key to the ON
position you must cycle the foot pedal by depressing
position you must cycle the foot pedal by depressing
it to the floor a
it to the floor and then fully releasing the pedal
nd then fully releasing the pedal
(pedal maneuver). You must fully cycle the foot
(pedal maneuver). You must fully cycle the foot
pedal three (3) times within five (5) seconds to
pedal three (3) times within five (5) seconds to
enable the display codes feature of the
enable the display codes feature of the SECM.
SECM.
Simply turn the key OFF to exi
Simply turn the key OFF to exit display mode. The
t display mode. The
code list will continue to repeat until the key
code list will continue to repeat until the key is
is
turned OFF.
turned OFF.
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Summary of Contents for G20E-5
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