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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 423 (Engine Control System - DTC) >> DTC P0405, P0406: EGRT Sensor >> Component Inspection >> EGR Temperature Sensor
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EGR Temperature Sensor

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Disconnect EGR temperature sensor harness connector.
  3. Check resistance between EGR temperature sensor terminals 1 and 2 as shown in Fig 1 .
    Fig 1: Testing EGR Temperature Sensor
    G00874645Courtesy of NISSAN MOTOR CO., U.S.A.

    < Reference data> 

    Fig 2: Reference Data
    G00874646Courtesy of NISSAN MOTOR CO., U.S.A.
  4. If NG, replace EGR temperature sensor.
Fig 3: As The Temperature Increases, EGR Temperature Sensor Resistance Decreases
G00874647Courtesy of NISSAN MOTOR CO., U.S.A.