DTC P0443: Evaporative (EVAP) Control System Purge Flow Incorrect
WARNING: This page is about a different car, the 1999 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.
- Check evaporative canister purge system. See EVAP CANISTER PURGE SYSTEM (VITARA 1.6L & 2.0) in SYSTEM & COMPONENT TESTING article. If canister purge system operation is not as specified, go to next step. If operation is as specified, problem is intermittent. See INTERMITTENTS in TROUBLE SHOOTING - NO CODES article. If no intermittent problems were found, replace PCM and retest system.
- Check evaporative canister purge valve resistance. See EVAP CANISTER PURGE VALVE in SYSTEM & COMPONENT TESTING article. If resistance is not as specified, replace purge valve and retest system. If resistance is as specified, check Green/Black wire between purge valve and PCM for open or short circuit. Also check Blue/Black wire between purge valve, main relay and PCM for open or short circuit. Repair as necessary. If wiring and connections are okay, replace PCM and retest system.