Do you have access to Mitchell1 Prodemand? If you are willing to share user/password (we can pay $250), please get in contact with us ASAP: email operation-charm [[at]] tuta.io or click to submit anonymously. (I know, we said we wouldn't ask any more...but it's important!)
P1443
DTC P1443 - EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL FUNCTION PROBLEMDTC DETECTING CONDITION:
- Immediately after fault occurrence
TROUBLE SYMPTOM:
- Improper fuel supply
CAUTION: After repair or replacement of faulty parts, conduct CLEAR MEMORY MODE and INSPECTION MODE. Refer to How To Clear Diagnostic Trouble Codes.
WIRING DIAGRAM
10CK1: CHECK ANY OTHER DTC ON DISPLAY
CHECK: Is there any other DTC on display?
YES: Inspect the relevant DTC using 10. Diagnostics Chart with Trouble Code for 2200 cc Models".
NO: Go to step 10CK2.
10CK2: CHECK VENT LINE HOSES.
Check the following items.
- Clogging of vent hoses between canister and drain valve
- Clogging of vent hose between drain valve and air filter
- Clogging of vent hose between drain filter and junction pipe
- Clogging of junction pipe
- Clogging of drain filter
CHECK: Is there a fault in vent line?
YES: Repair or replace the faulty part.
NO: Go to step 10CK3.
10CK3: CHECK DRAIN VALVE OPERATION.
1. Turn ignition switch to OFF.
2. Connect test mode connector at the lower portion of instrument panel (on the driver's side), to the side of the center console box.
3. Turn ignition switch to ON.
NOTE: Drain valve operating check can also be executed using Subaru Select Monitor. For the procedure, refer to the "COMPULSORY VALVE OPERATION CHECK MODE".
CHECK: Does drain valve produce operating sound?
YES: Contact with Subaru of America (SOA) service.
NOTE: Inspection by Subaru of America's DTM is required, because probable cause is deterioration of multiple parts.
NO: Replace drain valve.