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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> DTC P1143: Ho2S1 >> Component Inspection >> Heated Oxygen Sensor 1 >> With Consult-II
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With Consult-II

  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.