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P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE EC-901 < DTC/CIRCUIT DIAGNOSIS > [VK50VE] C D E F G H I J K L M A EC N P O Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit, short to ground or short to power in harness or connectors. 3. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between EVAP canister purge volume control solenoid valve harness connector and 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 4. NO >> Repair open circuit, short to ground or short to power in harness or connectors. 4. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR 1. Disconnect EVAP control system pressure sensor harness connector. 2. Check that water is not inside connectors. Is the inspection result normal? YES >> GO TO 5. NO >> Replace EVAP control system pressure sensor. 5. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR EC-917, "Component Inspection" Is the inspection result normal? YES-1 >> With CONSULT-III: GO TO 6. >> Replace EVAP control system pressure sensor. 6. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE With CONSULT-III 1. Turn ignition switch OFF. 2. Reconnect harness connectors disconnected. 3. Start engine. 4. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT-III. Check that engine speed var- Does engine speed vary according to the valve opening? YES >> GO TO 8. EVAP canister purge volume control solenoid valve Ground Voltage Connector Terminal F7 1 Ground Battery voltage EVAP canister purge volume control solenoid valve ECM Continuity Connector Terminal Connector Terminal F7 2 F110 8 Existed |