3-233-23
A special diagnostic data reader (INSITE) is available that can be plugged intoA special diagnostic data reader (INSITE) is available that can be plugged into
the engine computer memory to extract information related to the cause of thethe engine computer memory to extract information related to the cause of the
problem. Once the malfunction has been corrected, the Electronic Fuel Systemproblem. Once the malfunction has been corrected, the Electronic Fuel System
will return the engine to normal operation. The data reader can now distinguishwill return the engine to normal operation. The data reader can now distinguish
between active codes and those stored in the historic code memory (inactivebetween active codes and those stored in the historic code memory (inactive
codes). Inactive codes can only be viewed using the data reader. The fault codecodes). Inactive codes can only be viewed using the data reader. The fault code
recorded in the ECM memory will remain until it is erased by a technician.recorded in the ECM memory will remain until it is erased by a technician.
The operator can check for active faults by turning the ignition key switch to theThe operator can check for active faults by turning the ignition key switch to the
'OFF' position, switching the diagnostic switch 'ON' and 'OFF' position, switching the diagnostic switch 'ON' and then turning the ignition keythen turning the ignition key
switch to position '1'. If no active fault codes are recorded, all three ('Stop', 'Warning'switch to position '1'. If no active fault codes are recorded, all three ('Stop', 'Warning'
& 'Fluid') lights will come on and & 'Fluid') lights will come on and stay on. If active codes are recorded, alstay on. If active codes are recorded, all threel three
lights will come on momentarily. The lights will come on momentarily. The yellow ('Warning') and red ('Stop') lights willyellow ('Warning') and red ('Stop') lights will
begin to flash the code of the recorded fault. The fault codes begin to flash the code of the recorded fault. The fault codes flash in the followingflash in the following
sequence: the yellow light flashes once, sequence: the yellow light flashes once, then there is a pause where both then there is a pause where both lights arelights are
off. Then the numbers of the recorded fault code flash in red. There is a pauseoff. Then the numbers of the recorded fault code flash in red. There is a pause
between each number. When the number is done, the yellow light flashes again. e.g.between each number. When the number is done, the yellow light flashes again. e.g.
yellow flashes once - pause - red flashes yellow flashes once - pause - red flashes twice - pause - red flashes three times -twice - pause - red flashes three times -
pause - red flashes five times - pause - yellow flashes once, indicates fault codepause - red flashes five times - pause - yellow flashes once, indicates fault code
235. 235. The number will repeat in The number will repeat in the same sequence until the system is advanced tothe same sequence until the system is advanced to
the next active fault code or the diagnostic switch is switched to the 'OFF' position.the next active fault code or the diagnostic switch is switched to the 'OFF' position.
Refer to 'Electronic Fuel System Diagnostic Codes' table Refer to 'Electronic Fuel System Diagnostic Codes' table for fault code descriptions.for fault code descriptions.
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