LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 502 (Engine Control System (DTC/Circuit Diagnosis) (1 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0037: Ho2S2 Heater >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HEATED OXYGEN SENSOR 2 HEATER 
    1. Turn ignition switch OFF.
    2. Disconnect heated oxygen sensor 2 harness connector.
    3. Check resistance between HO2S2 terminals as follows.
      G04127115Courtesy of NISSAN NORTH AMERICA, INC.

      Heated oxygen sensor 2

      Resistance (Ohm)

      +

      -

      Terminal

      2

      3

      9.9 - 13.3 [at 25 deg.C (77 deg.F)]

      1

      2

      INF.

      (Continuity should not exist)

      3

      4

      4

      1

      2

      3

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    GO TO 2.

  2. REPLACE HEATED OXYGEN SENSOR 2 

    Replace malfunctioning heated oxygen sensor 2. Refer to Exploded View .

    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 [commercial service tool (J-43897-18 or J-43897-12)] and approved anti-seize lubricant (commercial service tool).

    INSPECTION END