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Home >> Suzuki >> 2002 >> Esteem GL, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 1.6L >> 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. Check EVAP-CPV and circuit. See appropriate procedure under FUEL EVAPORATION in SYSTEM & COMPONENT TESTING article. If problem is found, go to next step. If no problem is found, substitute a known good ECM, and repeat DTC CONFIRMATION TEST  . If DTC does not reset, testing is complete.
  3. 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.
  4. Check for short to ground in Red/Blue wire between EVAP-CPV and ECM harness connector C21 terminal No. 7. See WIRING DIAGRAMS article. If problem is found, repair as necessary. After repair, repeat DTC CONFIRMATION TEST  .
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