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Home >> Nissan-Datsun >> 2005 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> 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 Resistance Between EGR Temperature Sensor Terminals 1 & 2
    G02474071Courtesy of NISSAN MOTOR CO., U.S.A.

    < Reference data> 

    TEMPERATURE AND RESISTANCE CONDITION TABLE

    EGR temperature °C (°F) Resistance MΩ
    0 (32) 0.73 - 0.88
    50 (122) 0.074 - 0.082
    100 (212) 0.011 - 0.014
  4. If NG, replace EGR temperature sensor.
    Fig 2: Temperature Resistance Graph
    G02474072Courtesy of NISSAN MOTOR CO., U.S.A.
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