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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1446: EVAP Canister Vent Control Valve >> DTC Confirmation Procedure
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DTC Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.
NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

With CONSULT-II 

  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode with CONSULT-II.
  3. Start engine.
  4. Drive vehicle at a speed of approximately 80 km/h (50 MPH) for a maximum of 15 minutes.
    NOTE: If a malfunction exists, NG result may be displayed quicker.
  5. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  .

With GST 

Follow the procedure With CONSULT-II above.

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