Denso 4D56 Service Manual page 45

Operation Section
1 40
–
DTC Diagnostic Item
Number
(SAE)
P1203 Low charge
P1204 Over charge
P1210 Throttle valve
opening malfunction
P1272 P/L open
abnormality
P1273 Single pump abnor-
mality diagnosis
P1274 Pump protective fill
plug
P1275 Pump exchange fill
plug
P1625 QR data
abnormality
P1626 QR data failure to
write to disc malfunc-
tion
P2118 DC motor over cur-
rent abnormality
P2122 Accelerator sensor-1
low
P2123 Accelerator sensor-1
high final
P2124 Accelerator sensor-1
high
Diagnostic Classifica-
tion
Engine ECU
Engine ECU
Actuator malfunction
valve Fuel pressure control
system abnormality
Fuel pressure control
system abnormality
Fuel pressure control
system abnormality
Fuel pressure control
system abnormality
Engine ECU
Engine ECU
Actuator malfunction
Open circuit detection
(+B short, ground short,
open)
Open circuit detection
(+B short, ground short,
open)
Open circuit detection
(+B short, ground short,
open)
Malfunctioning Part
Engine ECU Yes
Engine ECU Yes
Throttle valve Yes
Rail Yes
Supply pump Yes
Supply pump Yes
Supply pump Yes
Engine ECU Yes
Engine ECU Yes
Electronic control throttle Yes
Accelerator position sen- Yes
sor
Accelerator position sen- Yes
sor
Accelerator position sen- No
sor
Light Remarks
ON
Only 4D56 Engine
2WD
In the event that the
vehicle runs out of gas,
"P1273" may
detected when
vehicle is restarted.
When "P1273" is dis-
played, the user should
verify whether or not
there is gas in the vehi-
cle.
Do not replace the
pump assy. if it has
been verified that the
vehicle has run out of
gas. Remove the air
from the fuel, and erase
the code using the
MITSUBISHI MUT III
diagnosis tool.
be
the