Nissan Note [1759/1872] Consult ii reference value in data monitor mode

Nissan Note [1759/1872] Consult ii reference value in data monitor mode
DTC P0231 FUEL PUMP
EC-1759
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
DTC P0231 FUEL PUMP PFP:22693
Description
BBS0043Y
To control the amount of the fuel inhalation of the fuel pump, a plunger is built into the fuel pump. When the
amount of the fuel inhalation of fuel increases, the fuel pump raises the fuel exhalation pressure. As a result,
the fuel injection pressure is raised. When the load of the engine increases, the ECM sends a signal to the fuel
pump to raise the injection pressure.
CONSULT-II Reference Value in Data Monitor Mode
BBS0043Z
Specification data are reference values.
On Board Diagnosis Logic
BBS00440
NOTE:
Special notes:
If this DTC is present, the fuel pump is fully opened and the engine is stopped to prevent it from revving.
Malfuction indicator (Red) lights up.
MONITOR ITEM CONDITION SPECIFICATION
FUEL FLOW
Engine: After warming up
Air conditioner switch: OFF
Shift lever: Neutral position
No load
Idle Approximately 4.9 mg/cp
2,000 rpm Approximately 3.5 mg/cp
DTC No. Trouble diagnosis name Possible cause
P0231
FUEL PUMP CONTROL CIRCUIT
CO.0: Open circuit or short circuit to ground
CC.1: Short circuit to +12V
Harness or connectors
(The fuel pump circuit is open or shorted.)
Fuel pump

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