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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0442: EVAP Control System >> DTC Confirmation Procedure >> With GST
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With GST

NOTE: Be sure to read the explanation of Driving Pattern, see Figure before driving vehicle.
  1. Start engine.
  2. Drive vehicle according to Driving Pattern, see Figure .
  3. Stop vehicle.
  4. Select "MODE 1" with GST.
    • If SRT of EVAP system is not set yet, go to the following step.
    • If SRT of EVAP system is set, the result will be OK.
  5. Turn ignition switch OFF and wait at least 10 seconds.
  6. Start engine.

    It is not necessary to cool engine down before driving. 

  7. Drive vehicle again, according to the Driving Pattern. See Figure .
  8. Stop vehicle.
  9. Select "MODE 3" with GST.
  10. Select "MODE 1" with GST.
    • If SRT of EVAP system is set, the result will be OK.
    • If SRT of EVAP system is not set, go to step 6.