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TM 9-2320-360-20-3
S e c t i o n 5
DIAGNOSTIC DATA READER INFORMATION (Cont’d)
D.3 VIEW INJECTOR CALIBRATION
The injector calibration codes are used by the DDEC III ECM to equalize the engine injector outputs. This compensation,
obtained from properly programmed calibration codes, allows the DDEC Ill ECM to perform optimum cylinder to cylinder pow-
er balancing.
NOTES:
(1) The engine cylinder numbers use TABLE 5 (Injector Numbering) page H-279 to identify the appropriate injector cylinder
calibration code.
(2) Each injector typically has a unique calibration code which is physically indicated on the injector label.
Parameters [l-Number of Cylinders]:
CYL #XXX CAL XX
Definition:
Indicates the injector calibration that is currently programmed in the ECM.
Typical Range: CYL(#l to # of cylinders) / CAL(0 to 99)
Parameter [2]: LAST UPDATE:
Definition:
Indicates the engine hours of the last injector calibration update.
Typical Range: 0 to 85000 Hours
Parameter [3]: TOOL ID:
Definition:
Indicates the tool indentification number used for last injector cal update.
Typical Range: 8 ASCII Characters
Parameter [4]: # OF CHANGES:
Definition:
Indicates the total number of injector calibration updates.
Typical Range: 0 to 255
D.4 UPDATE INJECTOR CALIBRATION
The Update Calibration selection allows the reprogramming of the injector calibration codes.
NOTES:
(1) The engine cylinder numbers use TABLE 5 (Injector Numbering) page H-279 to identify the appropriate injector cylinder
calibration code.
(2) Each injector typically has a unique calibration code which is physically indicated on the injector label.
Parameters [l-Number of Cylinders]:
CYL #X%X CAL XX
Typical Range: CYL(#1 to # of cylinders) CAL(0 TO 99)
H-283
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