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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1165 (Engine Control System - Qr25DE) >> DTC P1143: Ho2S1 >> Component Inspection >> Heated Oxygen Sensor 1 >> With Consult-II

With Consult-II

WARNING: This page is about a different car, the 2004 Nissan Sentra. 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. Select "MANU TRIG" and adjust "TRIGGER POINT" to 100% in "DATA MONITOR" mode with CONSULT-II.
  3. Select "HO2S1 (B1)" and "HO2S1 MNTR (B1)".
  4. Hold engine speed at 2, 000 RPM under no load during the following steps.
  5. Touch "RECORD" on CONSULT-II screen.
    Fig 1: Identifying Data Monitor Mode Of Consult-II
    G00778150Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Check the following.
    Fig 2: Identifying Data Monitor Cycle
    G00778151Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
  • Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one.
  • Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner tool J-43897-18 or J-43897-12 and approved anti-seize lubricant.