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Home >> Infiniti >> 2007 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0451 To P1217 >> DTC P0452 EVAP Control System Pressure Sensor >> Wiring Diagram
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DTC P0452 EVAP Control System Pressure Sensor: Wiring Diagram

Fig 1: EC-PRE/SE-01 - Wiring Diagram
G04900512Courtesy of NISSAN NORTH AMERICA, INC.

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
INPUT/OUTPUT VOLTAGE CHART

TERMINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage)
32 L EVAP control system pressure sensor [Ignition switch: ON]  Approximately 1.8 - 4.8V
48 SB Sensor power supply
(EVAP control system pressure sensor)
[Ignition switch: ON]  Approximately 5V
67 B Sensor ground [Engine is running] 
  • Warm-up condition 
  • Idle speed
Approximately 0V