1 MODULE INSTALLATION CHECK.
- Using the check sheet for communication for initializing, check the vehicle installation module (module targeted for CAN communication).
- Write "-" marks in the field for installation check (A) if the vehicle to be inspected does not have relevant module.
- Write "-" marks in all blank fields on the same row that the "-" mark has filled in.
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Was the module installation check on the left performed? |
Go to step 2
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Perform the module installation check, Go to step 2
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2 CHECK DTC (BUS OFF DETECTION/DATA NOT RECEIVED).
Check the 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
CHECK USING THE CHECK SHEET OF COMMUNICATION FOR INITIALIZING , COMMUNICATION FOR INITIALIZING IMPOSSIBLE, Subaru Select Monitor.>, and use this check sheet to confirm that the corresponding part becomes the past malfunction.
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Is DTC bus off or data not received? |
Go to step 3
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Perform the diagnosis for the displayed DTCs. |
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 field in the DTC check sheet filled? |
Go to step 4
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Fill all the corresponding field in the DTC check sheet, Go to step 4
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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? |
Repair or replace the faulty portion of the harness. |
Perform the diagnosis for the displayed DTCs. |