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Home › Nissan-Datsun › 2008 › Quest Base › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System - DTCS P0137 Through P0443 › DTC P0403 EGR Volume Control Valve › Component Inspection › EGR Volume Control Valve › Without CONSULT-III

Without CONSULT-III

  1. Turn ignition switch OFF.
  2. Disconnect EGR volume control valve harness connector.
  3. Check resistance between EGR volume control valve terminal 2 and terminals 1, 3, terminal 5 and terminals 4, 6.

    Resistance: 20 - 24 Ω [at 20°C (68F°)] 

    If NG, replace EGR volume control valve.

    If OK, go to next step.

  4. Remove EGR volume control valve.
  5. Reconnect ECM harness connector and EGR volume control valve harness connector.
  6. Turn ignition switch ON and OFF.
    Fig 1: Checking Resistance Between EGR Volume Control Valve Terminal 2 And 1, 3, 5 And 4, 6
    G04905509Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Check that EGR volume control valve shaft moves smoothly forward and backward according to the ignition switch position.
    Fig 2: Identifying EGR Volume Control Valve
    G04905513Courtesy of NISSAN MOTOR CO., U.S.A.
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