D439E Service Manual 4. Fuel system
183
Input/output signal
Pin
NO.
Check items Condition
Type
LEVEL
(normal → operating)
Remarks
138 Injector 4
Engine drive
(injector)
Analogue
139 NA
140 Power GND DC Below 0.5V
141 Power GND DC Below 0.5V
142 Injector COMMON 2
Engine drive
(injector)
Analogue
143 Injector COMMON 2
Engine drive
(injector)
Analogue
144 HP3.4 LO Engine drive Analogue
145 HP3.4 LO Engine drive Analogue
146 HP3.4 HI Engine drive Analogue
147 HP3.4 HI Engine drive Analogue
148 -
149 -
150 NA
151 NA
152 NA
153 NA
154 NA
IG. ON(20~C) Analogue Above 2.5V
155
Water temperature sensor
signal
IG. ON(20~C) Analogue Below 0.527V
0.12KΩ ~
48.14KΩ
156 -
157 NA
158 NA
159 -
160 -
161 NA
162 NA
IG. ON (20℃) Analogue Above 2.38V
163
Fuel temperature sensor
signal
IG. ON (40℃) Analogue Below 1.5V
0.11KΩ ~
25.4KΩ
164 NA
165 NA
166 -
167 NA
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