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Infiniti
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2011
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QX56 RWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - Introduction
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Basic Inspection
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Fuel Pressure
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Work Procedure
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High Fuel Pressure Check
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Without Consult-III
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Without Consult-III
Start the engine.
Check fuel rail pressure sensor signal voltage.
VOLTAGE SPECIFICATION
+
-
Condition
Value (Approx.)
Fuel rail pressure sensor
Connector
Terminal
F26
2
Ground
Engine speed: idle
0.98 - 1.2 V
Engine speed: Revving engine from idle to 4, 000 RPM quickly
1.1 - 2.9 V