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Home >> Nissan-Datsun >> 2004 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P0405, P0406: EGRT Sensor >> Component Inspection >> EGR Temperature Sensor
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EGR Temperature Sensor

  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 the figure.
    Fig 1: Checking EGR Temperature Sensor
    G00775398Courtesy of NISSAN MOTOR CO., U.S.A.

    < Reference data > 

    Fig 2: Reference Data Chart
    G00775399Courtesy of NISSAN MOTOR CO., U.S.A.
  4. If NG, replace EGR temperature sensor.
    Fig 3: Resistance And Temperature Graph
    G00775400Courtesy of NISSAN MOTOR CO., U.S.A.
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