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Home >> Acura >> 2004 >> MDX Base >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Fuel And Emissions Systems >> How to Set Readiness Codes >> Evaporative Emission (EVAP) Control System Monitor and Readiness Code >> Procedure

Evaporative Emission (EVAP) Control System Monitor and Readiness Code: Procedure

  1. Connect the HDS to the vehicle's data link connector (DLC).
  2. Start the engine.
  3. Select EVAP TEST in the INSPECTION MENU with the HDS, then select the FUNCTION TEST.
  4. Check the OBD status screen for EVAP DTCs P0456, and P0457 in the DTCs MENU with the HDS.
    • If they are passed, readiness code is set.
    • If they are not passed, go to the next step.
  5. If the readiness code is still set to not completed, check for a Temporary DTC. If there is no DTC, one or more of the enable criteria were probably not met; repeat the procedure.
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