Subaru Legacy BN/BS (2015-2019) Service Manual: Read diagnostic trouble code (dtc) operation

Subaru Legacy BN/BS (2015-2019) Service Manual / Auto headlight beam leveler system (diagnostics) / Read diagnostic trouble code (dtc) operation

1. On «Start» display, select «Diagnosis».

2. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».

3. On «Main Menu» display, select «Each System».

4. On «Select System» display, select «Headlight / Foglight» and then select «Enter».

5. On «Select Function» display, select «DTC».

NOTE:

• For detailed operation procedures, refer to “Application help”.

• For details concerning DTC, refer to “List of Diagnostic Trouble Code (DTC)”. List of Diagnostic Trouble Code (DTC)

List of diagnostic trouble code (dtc) list

DTCItemReferenceU0074CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFFU0122LOST COMMUN ...

Control module i o signal

...

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Drive cycle procedure
It is possible to complete diagnosis of the DTC by performing the indicated drive cycle. After the repair for the DTC, perform a necessary drive cycle and make sure the function recovers and the DTC is recorded.1. PREPARATION FOR DRIVE CYCLE1. Check that the battery voltage is 12 V or more and fuel ...