Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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 [ deg. C (deg. F)]
20 - 30 (68 - 86)
0.46 - 0.51 Ohms
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 .
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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