Doosan D439E - Page 183

D439E Service Manual 4. Fuel system
181
Input/output signal
Pin
NO.
Check items Condition
Type
LEVEL
(normal → operating)
Remarks
88 Idle down switch IG.ON DC
Below 0.5V > Battery
voltage
89
90 NA
91 NA
92 NA
93 NA
94 NA
95 NA
96 NA
97 NA
98 -
99 NA DC
Below 0.5V > Battery
voltage
100 NA
101 NA
102 Power GND DC Below 0.5V
103 Injector 1
engine
drive(injector
operation)
Analogue
104 Injector 3
engine
drive(injector
operation)
Analogue
105 NA
106 Injector COMMON 1
engine
drive(injector
operation)
Analogue
107 Injector COMMON 1
engine
drive(injector
operation)
Analogue
108 NA
109 NA
110 NA
111 NA
112 NA
113 NA
114 NA
115 NA