Nissan Note [1689/1872] Ec 1689

Nissan Note [1689/1872] Ec 1689
TROUBLE DIAGNOSIS
EC-1689
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
FUEL CIRCUIT SUB FUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
Test Condition: Engine at Idle
Order Function
Parameterorstatus
check or action
Display and notes Trouble diagnosis
1 Fuel tank temperature RP063:
FUEL TEMP
Cold = WATER
TEMP
Warm: 50°C
Indicates the fuel tank temper-
ature in °C.
Default value: 30°C.
In the event of a malfunction,
perform the trouble diagnosis for
DTC P0180 FTT SENSOR.
2 Fuel flow PR017:
FUEL FLOW
0.0 mg/piston
stroke
Indicates the fuel flow injected
in mg/piston stroke for each
injector.
FUEL FLOW = 0 mg/piston
stroke
NONE.
3 Fuel rail pressure PR038:
RAIL PRESSURE
Cold and warm:
- 90 bar < RAIL
PRESSURE < 90
bar
Indicates the fuel rail pressure
in Bar.
This pressure is supplied by
the fuel rail pressure sensor.
Default value: 2000 Bar.
In the event of a malfunction,
perform the trouble diagnosis for
DTC P0190 FRP SENSOR.
4
Fuel rail pressure set
point
PR008:
RAIL PRES SET
375 bar (Engine
starting pressure
instruction)
Cold: 500 Bar
Warm: 300 Bar
Indicates a theoretical pres-
sure value for optimum engine
operation.
300 bar < RAIL PRES SET <
500 bar.
NONE.
5
Fuel rail pressure sen-
sor voltage
PR080:
RAIL PRES S V
Cold: 0.5V
Cold: 4.5V
Indicates the voltage delivered
by the ECM on the fuel rail
pressure sensor.
0.5V < RAIL PRES S V < 4.5V
Default value: 4.5V
NONE.
6 Engine speed PR055: ENGINE SPEED
Indicates the engine's rota-
tional speed in rpm.
In the event of a malfunction,
perform the trouble diagnosis for
DTC P0335 CKP SENSOR.
Order Function
Parameter or status
check or action
Display and notes Trouble diagnosis
1 Fuel tank temperature PR063:
FUEL TEMP
Cold=WATER
TEMP
Warm: 50°C
Indicates the fuel tank temper-
ature in °C.
Default value: 30°C.
In the event of a malfunction,
perform the trouble diagnosis for
DTC P0180 FTT SENSOR.
2 Fuel flow PR017:
FUEL FLOW
10<Cold<2mg/
piston stroke
4 < Warm < 6 mg/
piston stroke
Indicates the fuel flow injected
in mg/piston stroke for each
injector.
NONE.
3 Fuel rail pressure PR038:
RAIL PRESSURE
Cold: 260 Bar
Warm: 230 Bar
Indicates the fuel rail pressure
in Bar.
This pressure is supplied by
the fuel rail pressure sensor.
Default value: 2000 Bar.
In the event of a malfunction,
perform the trouble diagnosis for
DTC P0190 FRP SENSOR.
4
Fuel rail pressure set
point
PR008:
RAIL PRES SET
375 bar. (Engine
starting pressure
specification).
Cold: 260 Bar
Warm: 230 Bar
Indicates a theoretical pres-
sure value for optimum engine
operation.
NONE.

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