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Home >> Acura >> 2003 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Performance System Self-Diagnostics >> Diagnostic Tests >> DTC P0496: EVAP Canister System High Purge Flow

DTC P0496: EVAP Canister System High Purge Flow

CAUTION: When substituting or replacement of PCM is recommended, see PCM REMOVAL & REPLACEMENT  for important precautions.
  1. Turn ignition on. Using Honda PGM Tester or the HDS, do the DTC CLEAR in the CLEAR menu.
  2. Using Honda PGM Tester or the HDS, do the EVAP FUNCTION test in the INSPECTION menu.
  3. If EVAP SYSTEM is NORMAL, problem is intermittent, system is OK at this time. Check for poor connections and loose terminals at FTP sensor, EVAP bypass solenoid valve, EVAP canister purge valve, or EVAP canister vent shut valve and PCM connectors. If EVAP SYSTEM is not NORMAL, go to next step.
  4. Replace EVAP canister purge valve located by throttle body.
  5. Turn ignition on. With the Honda PGM tester or the HDS, do PCM RESET in the CLEAR menu. Do the PCM idle learn procedure. See PCM IDLE LEARN PROCEDURE  . Go to next step.
  6. Using Honda PGM Tester or the HDS, do the EVAP FUNCTION test in the INSPECTION menu.
  7. If EVAP SYSTEM is NORMAL, troubleshooting is complete. If EVAP SYSTEM is not NORMAL, check for poor connections and loose terminals at FTP sensor, EVAP bypass solenoid valve, EVAP canister purge valve, or EVAP canister vent shut valve and PCM connectors. Go to step  1 .
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