Nissan Sentra B18 (2020-2025) Service Manual: Frp Control System
Component Inspection
Component Inspection
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CHECK HIGH PRESSURE FUEL PUMP-1
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Turn ignition switch OFF.
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Disconnect high pressure fuel pump harness connector.
-
Check the resistance between high pressure fuel pump terminals as follows.
High pressure fuel pump
Condition
Resistance
+
−
Terminal
1
2
Temperature [°C (°F)]
20 – 30 (68 – 86)
0.46 – 0.51 Ω
Is the inspection result normal?
YES >>GO TO 2.
NO >>Replace high pressure fuel pump. Refer to Removal and Installation.
-
-
CHECK HIGH PRESSURE FUEL PUMP-2
With CONSULT-
Reconnect high pressure fuel pump harness connector.
-
Start the engine.
-
Check “FUEL PRES SEN” in “DATA MONITOR” of “ENGINE” with CONSULT.
Monitor item
Condition
Indication
FUEL PRES SEN V
-
Engine: After warming up
-
Selector lever: P or N position
-
A/C switch: OFF
-
No load
Engine speed: idle
0.820 – 1.140 V
Revving engine from idle to 4,000 rpm quickly
0.820 – 2.900 V
-
Without CONSULT-
Start the engine.
-
Check fuel rail pressure sensor signal voltage.
+
−
Condition
Voltage
(Approx.)
Fuel rail pressure sensor
Connector
Terminal
F101
2
Ground
[Engine is running]
-
Engine warm-up condition
-
Engine speed: Idle
0.82 – 1.14 V
[Engine is running]
-
Engine warm-up condition
-
Revving engine from idle to 4,000 rpm quickly
0.82 – 2.9 V
Is the inspection result normal?
YES >>INSPECTION END
NO >>Replace high pressure fuel pump. Refer to Removal and Installation.
-
Other materials:
Diagnosis System (intelligent Key Unit)
Consult Function (hands Free Module)
CONSULT Function
(HANDS FREE MODULE)
Intelligent Key unit
Refer to CONSULT Function
(HANDS FREE MODULE).
...
Dtc/circuit Diagnosis
Eco Mode Switch
Component Function Check
Component Function Check
CHECK ECO MODE SWITCH OPERATION
Ignition switch ON.
Check ECO mode indicator turns ON/OFF
on combination meter when turn ECO mode switch
O ...
Fuel Level Sensor Signal Circuit
Component Function Check
Component Function
Check
COMBINATION METER INPUT SIGNAL
CONSULT
Select “FUEL METER” in “Data Monitor” mode of “METER/M&A”.
Compare the ...