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Home › Nissan-Datsun › 2003 › Sentra SE-R, Automatic › Repair and Diagnosis › External Pages › Different car › Section 1976 (Engine Control System - VK45DE) › DTC P0134, P0154: Ho2S1 › Overall Function Check › With GST

With GST

WARNING: This page is about a different car, the 2005 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and warm it up to normal operating temperature.
  2. Set voltmeter probes between ECM terminal 16 [HO2S1 (B1) signal] or 35 [HO2S1 (B2) signal] and 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 Terminals And Ground
    G02361584Courtesy of NISSAN MOTOR CO., U.S.A.
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