DTC P1443 Vent Control Solenoid Valve Function Problem: Wiring Diagram

Fig 1: Evaporative Emission Control System - Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK FOR ANY OTHER DTC ON DISPLAY  .	Is any other DTC displayed?	Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .	Go to step 2  .
2 CHECK DRAIN HOSE  . Check the drain hose for clogging.	Is there clogging in the drain hose?	Replace the drain hose.	Go to step 3  .
3 CHECK DRAIN VALVE OPERATION  . Turn the ignition switch to OFF. Install the delivery (test) mode fuse. Turn the ignition switch to ON. Perform operation check for the drain valve using the Subaru Select Monitor. NOTE: Drain valve can be operated using the Subaru Select Monitor. For detailed procedures, refer to "SYSTEM OPERATION CHECK MODE". Ref. to SYSTEM OPERATION CHECK MODE .	Does the drain valve operate?	Repair the poor contact of ECM connector.	Replace the drain valve. Ref. to DRAIN VALVE .