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Home >> Suzuki >> 2002 >> Esteem GLX, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 1.8L >> Diagnostic Tests >> DTC P0496: EVAP System - Flow During Non-Purge >> Diagnosis & Repair Procedure
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Diagnosis & Repair Procedure

  1. If engine system check has been performed, go to next step. If engine system check has not been performed, go to A4: ENGINE SYSTEM CHECK  under SYSTEM TESTS.
  2. Turn ignition off. Check EVAP-CPV operation. See EVAP CANISTER PURGE VALVE under FUEL EVAPORATION in SYSTEM & COMPONENT TESTING article. If problem is found, replace EVAP-CPV. After repair, repeat DTC CONFIRMATION TEST  . If no problem is found, go to next step.
  3. Check Fuel Tank Pressure (FTP) sensor. See FUEL TANK PRESSURE SENSOR under FUEL EVAPORATION in SYSTEM & COMPONENT TESTING article. If problem is found, replace FTP sensor. After repair, repeat DTC CONFIRMATION TEST  . If no problem is found, go to next step.
  4. Check FTP control valve operation or for clog. See FUEL TANK PRESSURE CONTROL VALVE under FUEL EVAPORATION in SYSTEM & COMPONENT TESTING article. If problem is found, replace FTP control valve. If no problem is found, problem is probably intermittent. See INTERMITTENTS in TROUBLE SHOOTING - NO CODES article. If intermittent problem is not found, substitute a known good ECM and repeat DTC CONFIRMATION TEST  . If DTC does not reset, testing is complete.
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