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Home >> Nissan-Datsun >> 2004 >> Maxima SL, RE4F04B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P1402: EGR Function >> Diagnostic Procedure >> 1. Check EGR Volume Control Valve Power Supply Circuit
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

1. Check EGR Volume Control Valve Power Supply Circuit

  1. Turn ignition switch OFF.
  2. Disconnect EGR volume control valve harness connector.
  3. Turn ignition switch ON.
    Fig 1: Disconnect EGR volume control valve harness connector
    G00877594Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Check voltage between EGR volume control valve terminals 2, 5 and ground with CONSULT-II or tester.
    1. Voltage: Battery voltage 

OK or NG 

  1. OK: GO TO 3 .
  2. NG: GO TO 2.
Fig 2: Check voltage
G00877595Courtesy of NISSAN MOTOR CO., U.S.A.