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Subaru Legacy Service Manual: Can bus ecu communication check operation

Subaru Legacy Service Manual / Lan system (diagnostics) / Can bus ecu communication check operation

Systems connected to vehicle CAN bus and require communicating with the Subaru Select Monitor will be displayed.

List of the systems displayed does not mean the confirmation of communication. It displays presence or absence of the systems required. And, even when a system is equipped, it may not be displayed because of a communication trouble etc.

1. Turn the ignition switch to ON.

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

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

4. On «Main Menu» display, select «CAN bus check».

5. After a while, systems connected to vehicle CAN bus will be displayed.

6. In communication for initializing, communication is confirmed in each control module.

NOTE:

This function does not function normally, when the ignition switch is OFF.

Optional control modules and control modules that are equipped differently depending on grades may not be displayed.

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

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