Communication For Initializing Impossible (Combination Meter)

DETECTING CONDITION:

Defective harness connector
Power supply circuit malfunction
Defective combination meter
Defective CAN communication circuit
Defective Subaru Select Monitor

TROUBLE SYMPTOM:

Communication is impossible between combination meter and Subaru Select Monitor.

WIRING DIAGRAM:

Combination meter system <Ref. to WIRING DIAGRAM , Combination Meter System.>
CAN communication system <Ref. to WIRING DIAGRAM , CAN Communication System.>

Fig 1: Combination Meter Wiring Diagram

G10270909

Courtesy of SUBARU OF AMERICA, INC.

Step	Check	Yes	No
1 CHECK OTHER COMMUNICATION. Communicate with the system other than the combination meter using the Subaru Select Monitor.	Is the communication to other control module possible?	Go to step 2.	Perform the "Communication for Initializing Impossible" of LAN system. <Ref. to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , Subaru Select Monitor.>
2 CHECK DTC. Read the DTC of the LAN system using the Subaru Select Monitor. <Ref. to OPERATION , Read Diagnostic Trouble Code (DTC).>	Is DTC displayed?	Perform the diagnosis for the displayed DTCs.	Go to step 3.
3 CHECK COMBINATION METER. Turn the ignition switch to OFF. Disconnect the connector of combination meter. Connect the disconnected connectors. Communicate with the combination meter using the Subaru Select Monitor.	Is communication possible?	It is possible that temporary poor communication occurs.	Replace the combination meter. <Ref. to Combination Meter .>