Doosan D50S-5 Operation & Maintenance Manual page 103

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.
(1) Malfunction Indicator Lamp(MIL) for Engine control system (1) Malfunction Indicator Lamp(MIL) for Engine control system
Table 2. MI-07 Diagnostic Fault Codes (Flash Codes) Table 2. MI-07 Diagnostic Fault Codes (Flash Codes)
DFC DFC
NONE NONE
12 12 Signifies the end of one pass Signifies the end of one pass
through the fault list through the fault list
PROBABLE FAULT PROBABLE FAULT
end of the code list. end of the code list.
EXAMPLE: EXAMPLE: A cod
detected and the engine has shut down and the MIL detected and the engine has shut down and the MIL
has remained ON has remained
the MIL will flash four times (4 4 ), pause, then flash six the MIL will flash four times (
times ( times (6 6 ), pause, then flash one time ( ), pause, then flash one time (1 1 ) This
identifies a four sixty one ( identifies a four sixty one (461
ETCSticking fault. If any additional faults were ETCSticking fault. If any 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 long Since no other faults were stored there will be a long
pause then one flash (1 1 ), pause, then two flashes pause then one flash (
( ( 2 2 ). This identifies a twelve, signifying the end of the ). This identifies a twelve, signifying the end of the
fault list. This list will then repeat. fault list. This list will then repeat.
Displaying Fault Codes (DFC) from Displaying Fault Codes (DFC) from
SECM Memory SECM Memory
To enter code display mode you must turn To enter code display mode you must turn OFF
ignition key. Now turn ignition key. Now turn ON
the engine. As soon as you turn the key to the ON the engine. As soon as you 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 and then fully releasing the pedal it to the floor and then fully releasing the pedal
(pedal maneuver). You must fully cycle the foot (pedal maneuver). You must fully cycle the foot
pedal three (3 3 ) times within five ( pedal three (
enable the display codes feature of the SECM. enable the display codes feature of the SECM.
Simply turn the key Simply turn the key OFF
code list will continue to repeat until the key is code list will continue to repeat until the key is
. .
turned OFF turned OFF
102 102
FAULT FAULT ACTION ACTION * *
None, used as end of the fault list None, used as end of the fault list
NONE NONE
identification identification
A code 461 e 461 (ETCSticking) (ETCSticking) has
ON. When the codes are displayed . When the codes are displayed
), pause, then flash six
461), which is the ), which is the
), pause, then two flashes
ON the key but do not start the key but do not start
) times within five (5 5 ) seconds to ) seconds to
OFF to exit display mode. The to exit display mode. The
Operation Section Operation Section
CORRECTIVE ACTION CORRECTIVE ACTION
FIRST CHECK FIRST CHECK
has been been
) This
OFF the the