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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0133: Ho2S1 Circuit Slow Response - Bank 1 Or DTC P0153: Ho2S1 Circuit Slow Response - Bank 2 >> Overall Function Check (With GST)

Overall Function Check (With GST)

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use this procedure to check the overall function of the heated oxygen sensor 1 circuit. During this check, a DTC might not be confirmed.
  1. Start engine and warm to normal operating temperature.
  2. Set voltmeter probes between ECM terminal No. 92, HO2S1 (B1) signal, for 2.5L or ECM terminal No. 91, HO2S1 (B1) signal or terminal No. 92, HO2S1 (B2) signal for 3.5L and engine ground, see Fig 1 and Fig 2 .
  3. Check the following with engine speed held at 2000 RPM constant under no load:
    • The voltage fluctuates between zero to 0.3V and 0.6 to 1.0V more than 5 times within 10 seconds.
  4. If "NG", see DIAGNOSTIC PROCEDURE (2.5L)  or DIAGNOSTIC PROCEDURE (3.5L)  .
Fig 1: Overall Function Check For DTC P0133 Or DTC P0153: HO2S1 (2.5L)
G00246939Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Overall Function Check For DTC P0133 Or DTC P0153: HO2S1 (3.5L)
G00246940Courtesy of NISSAN MOTOR CO., U.S.A.
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