Dfc Probable Fault Action; Table 2. Diagnostic Fault Codes (Flash Codes) - Doosan G424FE Service Manual

Table 2. Diagnostic Fault Codes (Flash Codes)

DFC PROBABLE FAULT
NONE
12 Signifies the end of one pass
through the fault list
Inj1Open
Gasoline Injector 1 open
131
circuit, broken injector 1 wire
or defective injector
Inj2Open
Gasoline Injector 2 open
132
circuit, broken injector 2 wire
or defective injector
Inj3Open
Gasoline Injector 3 open
133
circuit, broken injector 3 wire
or defective injector
Inj4Open
Gasoline Injector 4 open
134
circuit, broken injector 4 wire
or defective injector
Inj5Open
Gasoline Injector 5 open
135
Not Used circuit, broken injector 5 wire
or defective injector
Inj6Open
Gasoline Injector 6 open
136
Not Used circuit, broken injector 6 wire
or defective injector
Inj7Open
Gasoline Injector 7 open
137
Not Used circuit, broken injector 7 wire
or defective injector
Inj8Open
Gasoline Injector 8 open
138
Not Used circuit, broken injector 8 wire
or defective injector
ECTRangeLow
141
Coolant Sensor failure or
(14)
shorted to GND
ECTRangeHigh
151
Coolant sensor disconnected
(15)
or open circuit
(*) Fault actions shown are default values specified by the OEM.
G424F(FE) Service Manual
FAULT ACTION*
NONE
TurnOnMil
TurnOnMil
TurnOnMil
TurnOnMil
None
None
None
None
TurnOnMil
(1) TurnOnMil
(2) Delayed Engine
Shutdown
(3) CheckEngineLight
261
CORRECTIVE ACTION
FIRST CHECK
None, used as end of the fault list
identification
Check INJ1 wiring for an open circuit
SECM (Signal) A5 to Injector 1 Pin A
Switched 12V to Injector 1 Pin B
Check Injector 1 Resistance, 12 to14 ohms
(cold)
Check INJ2 wiring for an open circuit
SECM (Signal) A8 to Injector 2 Pin A
Switched 12V to Injector 2 Pin B
Check Injector 2 Resistance, 12 to14 ohms
(cold)
Check INJ3 wiring for an open circuit
SECM (Signal) A4 to Injector 3 Pin A
Switched 12V to Injector 3 Pin B
Check Injector 3 Resistance, 12 to14 ohms
(cold)
Check INJ4 wiring for an open circuit
SECM (Signal) A7 to Injector 4 Pin A
Switched 12V to Injector 4 Pin B
Check Injector 4 Resistance, 12 to14 ohms
(cold)
N/A
N/A
N/A
N/A
Check ECT sensor connector and wiring
for a short to GND
SECM (Signal) Pin B15 To ECT Pin 3
SECM (Sensor GND) Pin B1 to
ECT Pin 1
SECM (Sensor GND) Pin A16, B17
Check if ECT sensor connector is
disconnected or for an open ECT circuit
SECM (Signal) Pin B15 to ECT Pin 3
SECM (Sensor GND) Pin B1 to
ECT Pin 1
Chapter 9. Advanced Diagnostics