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Denso 4D56 - Page 44

Denso 4D56
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Operation Section
1
39
P0219 Engine overrun
abnormality
Engine abnormality Engine Yes
P0234 High boost abnormal-
ity diagnosis
Engine abnormality Engine Yes
P0335 No speed pulse input Pulse system malfunc-
tion
Crankshaft position sen-
sor
Yes
P0336 Abnormal speed
pulse number
Pulse system malfunctio Crankshaft position sen-
sor
Yes
P0340 No G pulse input Pulse system malfunc-
tion
Cylinder recognition sen-
sor
Yes
P0341 Cylinder recognition
sensor pulse number
abnormality
Pulse system malfunc-
tion
Cylinder recognition sen-
sor
Yes
P0405 EGR lift sensor - low Open circuit detection
(+B short, ground short,
open)
EGR valve No
P0406 EGR lift sensor - high Open circuit detection
(+B short, ground short,
open)
EGR valve No
P0502 Vehicle speed
abnormality - low
Pulse system malfunc-
tion
Vehicle speed sensor Yes
P0604 RAM abnormality Engine ECU Engine ECU Yes
P0605 Engine ECU flash-
ROM abnormality
Engine ECU Engine ECU Yes
P0606 Engine ECU CPU
abnormality (main IC
abnormality)
Engine ECU Engine ECU Yes
P0607 Engine ECU abnor-
mality (monitoring IC
abnormality)
Engine ECU Engine ECU Yes
P0628 SCV actuation sys-
tem abnormality
Fuel pressure control
system abnormality
Supply pump Yes
P0629 SCV +B short Fuel pressure control
system abnormality
Supply pump Yes
P0638 Intake throttle valve
stuck
Actuator malfunction Electronic control throttle Yes
P0642 Sensor - voltage 1
low
Engine ECU Engine ECU Yes
P0643 Sensor - voltage 1
high
Engine ECU Engine ECU Yes
P0652 Sensor - voltage 2
low
Engine ECU Engine ECU Yes
P0653 Sensor - voltage 2
high
Engine ECU Engine ECU Yes
DTC
Number
(SAE)
Diagnostic Item Diagnostic Classifica-
tion
Malfunctioning Part Light
ON
Remarks

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