LINE AS-FUEL INJECTION 4P7806 - Caterpillar

Table 1
Fault Identification    
Indicator
left side of GSC     Fault Code on upper display     DIAG Indicator     Fault Type     See Topic    
Fault Alarm     CID FMI (1)     Flashing     Active Alarm     Troubleshooting Diagnostic Codes    
SP1, SP2, SP3 (1) Absent     Active Alarm     Diagnostic System Procedures, "SP Fault Code"    
AL1 thru AL4 (1) Absent     Active Alarm     Diagnostic System Procedures, "AL Fault Code"    
Fault Shutdown     CID FMI     Flashing     Active Shutdown     Troubleshooting Diagnostic Codes    
SP1, SP2, SP3 Absent     Active Shutdown     Diagnostic System Procedures, "SP Fault Code"    
AL1 thru AL4 (1) Absent     Active Alarm     Diagnostic System Procedures, "AL Fault Code"    
Dedicated Shutdown:        
Flashing     Absent     Absent     Active Alarm     Troubleshooting Dedicated Shutdown Indicators    
On Continuously     Absent     Absent     Active Shutdown    
None     CID FMI (2)     On Continuously     Inactive Alarm     Troubleshooting Diagnostic Codes    
CID FMI (2) On Continuously     Inactive Shutdown     Troubleshooting Diagnostic Codes    
SP1, SP2, SP3 Absent     Inactive Shutdown     Diagnostic System Procedures, "SP Fault Code"    
AL1 through AL4 (1) Absent     Inactive Alarm     Diagnostic System Procedures, "AL Fault Code"    
Absent Absent     Undiagnosed Shutdown     Symptom Procedures    
( 1 ) Fault code is shown after alarm codes key is pressed.
( 2 ) Fault Code is stored in the fault log of the GSC. To view the fault code, see Systems Operation, "Fault Log Viewing OP1" within the topic Service Mode.
Illustration 1 g00595806
GSC Display Area (1) Dedicated shutdown indicators (2) Fault shutdown indicator (3) Fault alarm indicator (4) Upper display (5) DIAG indicator (6) Lower displayFaults that are detected and diagnosed by the GSC are shown to service personnel in the display area of the GSC. The GSC uses dedicated shutdown indicators (1), fault shutdown indicator (2), fault alarm indicator (3), "DIAG" indicator (5), upper display (4) and lower display (6) to tell service personnel about a fault. Perform the following procedure in order to identify the fault that is detected by the GSC.Note: The "DIAG" indicator (5) functions when diagnostic information is available from the GSC.
Make a note of the indicators that are functioning on the left side of the "GSC".
View the fault code on the upper display (4). If the fault alarm indicator (3) is FLASHING and no fault code is present on the upper display (4), press the alarm codes key in order to view the fault code.
Make a note of whether or not "DIAG" indicator (5) is FLASHING ON CONTINUOUSLY or ABSENT.
On the fault identification chart, look at the first column. Locate the fault indicator that is functioning.
Go to the second column in the chart. Find the fault code that is presently shown on the upper display (4) .
Go to the third column in the chart which describes the status of "DIAG" indicator (5) .
Read the last two columns in