Nissan Sentra B18 (2020-2025) Service Manual: Frp Control System
Component Inspection
Component Inspection
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CHECK HIGH PRESSURE FUEL PUMP-1
-
Turn ignition switch OFF.
-
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:
B1360 Combination Meter
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection condition
...
U2141 Mac Comm Error (tcm)
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection condition
...
Air Breather Hose
Exploded View
Exploded View
1.
Air breather hose
2.
Transaxle assembly
A.
...