Nissan Rogue (T33) 2021-Present Service Manual: High Pressure Fuel Pump
Component Function Check
CHECK HIGH PRESSURE FUEL PUMP FUNCTION
With CONSULT
-
Start engine.
-
Select “FUEL PRES SEN V” in “DATA MONITOR” mode of “ENGINE” using CONSULT and check the indication as per the following conditions.
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 1.17 – 1.84 V Revving engine up to 4,000 rpm quickly. 1.17 – 3.44 V -
Without CONSULT
-
Start engine.
-
Check the voltage between ECM terminals as per the following conditions.
ECM Condition Voltage Connector + − Terminal F72 7 2 [Engine is running]
-
Warm-up condition
-
Idle speed
NOTE:
The pulse cycle changes depending on rpm at idle.
3.1 V [Engine is running]
-
Warm-up condition
-
Engine speed: 2,500 rpm
4.3 V -
Is the inspection result normal?
YES>>INSPECTION END
NO>>Refer to Diagnosis Procedure.
Diagnosis Procedure
CHECK HIGH PRESSURE FUEL PUMP CIRCUIT
-
Disconnect high pressure fuel pump relay harness connector.
-
Check the continuity between ECM harness connector and high pressure fuel pump harness connector.
ECM High pressure fuel pump Continuity Connector Terminal Connector Terminal F72 7 F82 1 Existed 2 2 -
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace malfunctioning part.
CHECK ECM GROUND CIRCUIT
-
Turn ignition switch OFF.
-
Disconnect ECM harness connector.
-
Check the continuity between ECM harness connector and ground.
ECM — Continuity Connector Terminal F72 4 Ground Existed E21 156 157 160 -
Also check harness for short to power.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace malfunctioning part.
CHECK HIGH PRESSURE FUEL PUMP
Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace high pressure fuel pump. Refer to Removal and Installation.
CHECK HIGH PRESSURE FUEL PUMP INSTALLATION
-
Turn ignition switch OFF.
-
Check high pressure fuel pump for improper attachment or looseness.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace malfunctioning part.
CHECK CAMSHAFT
-
Remove camshaft. Refer to Removal and Installation.
-
Check camshaft. Refer to Inspection.
Is the inspection result normal?
YES>>Check intermittent incident. Refer to Intermittent Incident.
NO>>Replace camshaft. Refer to Removal and Installation.
Component Inspection
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) 0.495 - 0.545 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 V” 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 1.17 – 1.84 V Revving engine from idle to 4,000 rpm quickly 1.17 – 3.44 V -
Without CONSULT
-
Start the engine.
-
Check fuel rail pressure sensor signal voltage.
| + | − | Condition |
Voltage (Approx.) | |
|---|---|---|---|---|
| Fuel rail pressure sensor | ||||
| Connector | Terminal | |||
| F85 | 2 | Ground |
[Engine is running]
|
1.46 V |
|
[Engine is running]
|
1.78 V | |||
Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace high pressure fuel pump. Refer to Removal and Installation.
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Refer to CONSULT Function. ECU Reference
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Diagnosis Procedure
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Ignition switch OFF.
Disconnect drive mode select switch harness connector and BCM harness connector.
Check the continuity between drive mode select switch harness connector and BCM harness connector.
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