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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Qr25DE >> DTC P0134: Ho2S1 >> Overall Function Check >> With GST
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With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Set voltmeter probes between ECM terminal 35 [HO2S1 (B1) signal] and engine ground.
  3. Check the following with engine speed held at 2, 000 RPM constant under no load.
    • The voltage does not remain in the range of 0.2 to 0.4V.
  4. If NG, go to "DIAGNOSTIC PROCEDURE ".
    Fig 1: Checking Voltage Between ECM Terminal 35 & Ground
    G00777044Courtesy of NISSAN MOTOR CO., U.S.A.
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