Denso 4D56 Service Manual page 46

DTC Diagnostic Item
Number
(SAE)
P2127 Accelerator sensor-2
low
P2138 Accelerator sensor -
duplicate malfunc-
tion high
P2138 Accelerator sensor -
duplicate malfunc-
tion low
ACCP characteristic
abnormality
P2146 Common 1 system
open circuit
P2147 COM1 TWV actua-
tion system ground
short
P2148 COM1 TWV actua-
tion system +B short
P2149 Common 2 system
open circuit
P2228 Atmospheric
sure sensor - low
P2229 Atmospheric
sure sensor - high
P2413 EGR feedback abnor-
mality
UD073 CAN bus OFF error
UD101 CAN time out flag
(trans)
UD109 CAN time out flag
(ETACS)
UD190 CAN communication
Diagnostic Classifica-
tion
Open circuit detection
(+B short, ground short,
open)
Open circuit detection
(+B short, ground short,
open)
Open circuit detection
(+B short, ground short,
open)
Sensor characteristic
abnormality
Injector actuation
abnormality
Injector actuation
abnormality
Injector actuation
abnormality
Injector actuation
abnormality
pres- Open circuit detection
(+B short, ground short,
open)
pres- Open circuit detection
(+B short, ground short,
open)
Actuator malfunction
Network
Network
Network
Network
Malfunctioning Part
Accelerator position sen-
Yes
sor
Accelerator position sen- Yes
sor
Accelerator Position Sen- Yes
sor
Accelerator Position Sen- Yes
sor
Injector, Wire harness or Yes
Engine ECU
Injector, Wire harness or Yes
Engine ECU
Injector, Wire harness or Yes
Engine ECU
Injector, Wire harness or Yes
Engine ECU
Engine ECU Yes
Engine ECU Yes
EGR valve No
Network No
Network No
Network No
Network No
Operation Section
Light Remarks
ON
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