Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Steering responsive fog lights (diagnostics) / Subaru select monitor / Inspection

1. COMMUNICATION FOR INITIALIZING IMPOSSIBLE

Communication error with SRF CM

DETECTING CONDITION:

• Defective harness connector

• Power supply circuit malfunction

• Defective SRF CM

• Defective CAN communication circuit

• Defective Subaru Select Monitor

TROUBLE SYMPTOM:

Communication is impossible between SRF CM and Subaru Select Monitor.

CAUTION:

Initialization is required after replacing the SRF CM.

WIRING DIAGRAM:

NOTE:

For the coupling connector, refer to “WIRING SYSTEM”.

Front fog light system Front Fog Light System > WIRING DIAGRAM

Headlight beam leveler system Headlight Beam Leveler System > WIRING DIAGRAM

STEP	CHECK	YES	NO
1.CHECK OTHER COMMUNICATION. Communicate with the system other than the SRF CM using the Subaru Select Monitor.	Is the communication to other control module possible-	Subaru Select Monitor > INSPECTION	Perform the “Communication for Initializing Impossible” of LAN system. Subaru Select Monitor > COMMUNICATION FOR INITIALIZING IMPOSSIBLE
2.CHECK LAN SYSTEM. Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE	Is there any fault-	Perform the inspection according to the diagnosis for LAN system.	Subaru Select Monitor > INSPECTION
3.CHECK FOR POOR CONTACT. 1) Turn the ignition switch to OFF. 2) Disconnect the SRF CM connector. 3) Connect the disconnected connectors. 4) Communicate with the SRF CM using the Subaru Select Monitor.	Is communication possible-	It is possible that temporary poor communication occurs.	Replace the SRF CM. Steering Responsive Fog Lights CM

Operation

• For detailed operation procedures, refer to “Application help”.• If the SRF CM cannot communicate with Subaru Select Monitor, perform “COMMUNICATION FOR INITIALIZING IM ...

Telematics system (diagnostics)

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DTC DETECTING CONDITION:When error flag from VDCCM is detected for 2 seconds after the ignition switch is ON.STEPCHECKYESNO1.CHECK DTC.Read the DTC of VDC system using the Subaru Select Monitor.Is a DTC related to VDC system (sensors) detected-Perform the diagnosis according to the DTC. List of Dia ...