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Home › Nissan-Datsun › 2004 › Quest SL › Repair and Diagnosis › Engine Performance › System › Engine Control System › DTC P1446: EVAP Canister Vent Control Valve › DTC Confirmation PRIOCEDURE › With CONSULT-II

With CONSULT-II

  1. Turn ignition switch ON and wait at least 5 seconds.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
    Fig 1: Displaying DATA MONITOR Screen
    G00775866Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Start engine and let it idle for at least 1 minute.
  5. Repeat next procedures 3 times.
    1. Increase the engine speed up to 3,000 to 3,500 RPM and keep it for 2 minutes and 50 seconds to 3 minutes.

      Never exceed 3 minutes. 

    2. Fully released accelerator pedal and keep engine idle for about 5 seconds.
  6. If 1 st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  .

    If 1st trip DTC is not detected, go to the next step.

  7. Repeat next procedure 20 times.
    1. Quickly increase the engine speed up to 4,000 to 4,500 RPM or more and keep it for 25 to 30 seconds.
    2. Fully released accelerator pedal and keep engine idle for at least 35 seconds.
      Fig 2: Displaying Graphic Of Procedure
      G00775867Courtesy of NISSAN MOTOR CO., U.S.A.
  8. If 1 st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  .
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