Component Inspection (High Pressure Fuel Pump)
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
+
-
Condition
Resistance
(Approx.)
High pressure fuel pump
Terminal
1
2
Temperature deg.C (deg.F)
20 - 30 (68 - 86)
9 - 11 Ohm
Is the inspection result normal?
YES
GO TO 2.
NO
Replace high pressure fuel pump. Refer to Exploded View .
- CHECK HIGH PRESSURE FUEL PUMP-2
WITH CONSULT
- Reconnect high pressure fuel pump harness connector.
- Start the engine.
- Check "FUEL PRES SEN V" in "DATA MONITOR" mode of "ECM" using CONSULT.
Monitor item
Condition
Value
(Approx.)
FUEL PRES SEN V
Engine speed: idle
820 - 1, 220 mV
Engine speed: Revving engine from idle to 4, 000 rpm quickly
820 - 3, 060 mV
WITHOUT CONSULT
- Reconnect high pressure fuel pump harness connector.
- Start the engine.
- Check FRP sensor signal voltage.
ECM
Condition
Value
(Approx.)
Connector
+
-
Terminal
F78
25
13
Engine speed: idle
0.82 - 1.22 V
Engine speed: Revving engine from idle to 4, 000 rpm quickly
0.82 - 3.06 V
Is the inspection result normal?
YES
INSPECTION END
NO
Replace high pressure fuel pump. Refer to Exploded View .