Communication For Initializing Impossible (MFD)
DETECTING CONDITION:
- Defective harness connector
- Power supply circuit malfunction
- Defective MFD
- Defective CAN communication circuit
- Defective Subaru Select Monitor
TROUBLE SYMPTOM:
Communication is impossible between MFD and Subaru Select Monitor.
WIRING DIAGRAM:
- Multi-function display (MFD) system <Ref. to WIRING DIAGRAM , Multi-function Display (MFD) System.>
- CAN communication system <Ref. to WIRING DIAGRAM , CAN Communication System.>
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK OTHER COMMUNICATION. Communicate with the system other than the MFD 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 MFD.
|
Is communication possible? | It is possible that temporary poor communication occurs. | Replace the MFD. <Ref. to Multi-function Display (MFD) .> |