No Display Is Shown

Detecting condition: 

Power supply circuit, ground circuit, communication circuit or MFD is abnormal.

Wiring diagram: 

• Except for hybrid model

• Multi-function display (MFD) system Ref. to WIRING SYSTEM (IMPREZA MODEL)>MULTIFUNCTION DISPLAY (MFD) SYSTEM>WIRING DIAGRAM . Ref. to WIRING SYSTEM (CROSSTREK MODEL (EXCEPT FOR HEV))>MULTI-FUNCTION DISPLAY (MFD) SYSTEM>WIRING DIAGRAM .
• CAN communication system Ref. to WIRING SYSTEM (IMPREZA MODEL)>CAN COMMUNICATION SYSTEM>WIRING DIAGRAM . Ref. to WIRING SYSTEM (CROSSTREK MODEL (EXCEPT FOR HEV))>CAN COMMUNICATION SYSTEM>WIRING DIAGRAM .

Courtesy of SUBARU OF AMERICA, INC.

• Hybrid model

• Multi-function display (MFD) system Ref. to WIRING SYSTEM (CROSSTREK MODEL (HEV))>MULTI-FUNCTION DISPLAY (MFD) SYSTEM>WIRING DIAGRAM .
• CAN communication system Ref. to WIRING SYSTEM (CROSSTREK MODEL (HEV))>CAN COMMUNICATION SYSTEM>WIRING DIAGRAM .

Courtesy of SUBARU OF AMERICA, INC.

1. CHECK POWER SUPPLY CIRCUIT  .
   1. Turn the ignition switch to OFF.
   2. Disconnect the MFD connector.
   3. Using a tester, measure the voltage between the MFD connector and chassis ground.

      Connector and terminal 

      (i122) No. 24 (+) - Chassis ground (-):

   Is the voltage 10 V or more?

   Yes:  Go to  2.

   No:  Repair or replace the open circuit of harness. (Check battery as well as fuse.)

2. CHECK GROUND CIRCUIT (OPEN)  .

   Using a tester, measure the resistance between MFD connector and chassis ground.

   Connector and terminal 

   (i122) No. 21 - Chassis ground:

   Is the resistance less than 10 Ω?

   Yes:  Go to  3.

   No:  Repair or replace the open circuit of harness.

3. CHECK COMMUNICATION CIRCUIT (SHORT CIRCUIT TO GROUND)  .

   Using a tester, measure the resistance between MFD connector and chassis ground.

   Connector and terminal 

   (i122) No. 19 - Chassis ground:

   (i122) No. 20 - Chassis ground:

   Is the resistance 10 kΩ or more?

   Yes:  Go to  4.

   No:  Repair or replace the short circuit of the harness.

4. CHECK THE HARNESS BETWEEN THE MFD AND BODY INTEGRATED UNIT (EXCEPT FOR HYBRID MODEL) OR CENTRAL GATEWAY (FOR HYBRID MODEL)  .
   1. Disconnect the body integrated unit connector (except for hybrid model) or central gateway control module connector (for hybrid model).
   2. Measure the harness resistance between the MFD connector and body integrated unit connector (except for hybrid model) or central gateway control module connector (for hybrid model).

      Connector and terminal 

      Except for hybrid model

      (i122) No. 19 - (B281) No. 17:

      (i122) No. 20 - (B281) No. 19:

      Hybrid model 

      (i122) No. 19 - (i366) No. 15:

      (i122) No. 20 - (i366) No. 16:

   Is the resistance less than 10 Ω?

   Yes:  Go to  5.

   No:  Repair or replace the open circuit of harness.

5. CHECK THE BODY INTEGRATED UNIT (EXCEPT FOR HYBRID MODEL) OR CENTRAL GATEWAY (FOR HYBRID MODEL)  .
   1. Turn the ignition switch to ON.
   2. Using the Subaru Select Monitor, read the DTC of [Body Control] (except for hybrid model) or [Central Gateway] (for hybrid model). Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to CENTRAL GATEWAY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
   • Body Control (except for hybrid model)
   • Central Gateway (hybrid model)

   Are any DTCs displayed? (Current malfunction)

   Yes:  Perform the diagnosis according to displayed DTC. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST . Ref. to CENTRAL GATEWAY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

   No:  Replace the MFD. Ref. to INSTRUMENTATION/DRIVER INFO>MULTI-FUNCTION DISPLAY (MFD) .