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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3 (LAN COMMUNICATION SYSTEM (DIAGNOSTICS) (HEV))DIAGNOSTIC TROUBLE CODE (DTC)LISTCHECK USING THE DTC CHECK SHEETDTC CHECK SHEET
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans

DTC check sheet

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION DTC check sheet
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
  • Bus off detection/data not received
G13617077Courtesy of SUBARU OF AMERICA, INC.
  • Data abnormal detection
G13944245Courtesy of SUBARU OF AMERICA, INC.
  1. MODULE INSTALLATION CHECK  .
    1. Using the check sheet for communication for initializing, check the vehicle installation module (module targeted for CAN communication).
    2. Write "-" marks in the field for installation check (A) if the vehicle to be inspected does not have relevant module.
    3. Write "-" marks in all blank fields on the same row that the "-" mark has filled in.

    Was the module installation check above performed?

    Yes:  Go to  2.

    No:  Perform the module installation check, Go to  2.

  2. CHECK DTC (BUS OFF DETECTION/DATA NOT RECEIVED)  .

    Check the DTC. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>DIAGNOSTIC TROUBLE CODE (DTC) .

    NOTE:

    It becomes impossible for CAN diagnostic module to read DTC, if there is a current malfunction of open harness (data not received). If this occurs, perform the "Check using the check sheet of communication for initializing" Ref. to  LAN SYSTEM (DIAGNOSTICS) (HEV)>DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION>INSPECTION>CHECK USING THE CHECK SHEET OF COMMUNICATION FOR INITIALIZING  ., and use this check sheet to confirm that the corresponding part becomes the past malfunction. 

    Is DTC bus off or data not received?

    Yes:  Go to  3.

    No:  Perform the diagnosis for the displayed DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

  3. CHECK DTC (BUS OFF DETECTION/DATA NOT RECEIVED)  .

    Mark "X" in the field corresponding to the DTCs that has been detected by each module in the DTC check sheet.

    Were all the corresponding fields in the DTC check sheet filled?

    Yes:  Go to  4.

    No:  Fill all the corresponding fields in the DTC check sheet, Go to  4.

  4. CHECK CAN COMMUNICATION LINE  .

    Check the CAN communication line by referring to the example of DTC data not received.

    Is CAN communication line faulty?

    Yes:  Repair or replace the faulty portion of the harness.

    No:  Perform the diagnosis for the displayed DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

RENDER: 1.0x

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